Note that this is a discontinued product. You may want to visit the brand's page here to browse their newer products.
What reviewers think
Bloggers and YouTubers have tried this product—so we've summarized their strongest opinions below. Links to full reviews follow.
Product Strengths
- Elegant and tailored design, described as a work of art
- Midrange is warm and seductive, with lifelike and organic vocals that have good detail and texture
- High frequencies are delicate and nimble without feeling thin or edgy
- Vast and layered soundstage that is easy to get lost in
- Excellent build quality and attention to detail, American-made with casework designed by Fern and Roby
Product Considerations
- Bass can be slow and plodding, particularly with genres like rock and electronic music
- Can sound vague and muffled with certain speakers and music genres due to bass performance
- Not a versatile amplifier for a wide range of musical tastes
- The Apple remote is considered an afterthought and not good enough for a $5,000 amplifier
- Limited power (12-13 watts) may not be suitable for large rooms or loud listening volumes with less sensitive speakers
Comparisons (according to reviewers)
- Compared to the Yamaha AS3300, Musical Fidelity M5Si, and Naim Uniti Atom, the Z10 had speaker pairing problems because of its power output, nor did those amps have difficulty controlling the bass
- The Decware Zen Amp is more transparent, quicker, more lively, and dynamic
- Compared to the PureAudio One, the Z10 is faster and more transparent, which made the finger work on the string instruments more detailed
- The Lab 12 Integre4 has more bombastic impact and visceral force
Takeaway: The Z10 is a beautiful, specialized amplifier offering a unique tube sound with a focus on midrange clarity and a vast soundstage, making it ideal for acoustic or ensemble music with sensitive speakers. Its exceptional build quality and elegant design make it a desirable piece for enthusiasts with specific listening preferences.
What are hifi reviews useful for? (1) Identifying products you should demo in person at a dealer. (2) Learning which products reviewers unanimously praise as the best they've heard (this means they probably are legitimately great). (3) Identifying a product's attributes that satisfy your idiosyncratic needs and tastes. Beyond that, we often discount what reviewers say because they heap praise on most products—and are often apprehensive about publishing strong criticism or comparisons between products. Further, they seldom have more than a few products on-hand, often relying on their memories to compare past products. Always listen for yourself.
All
Z10
reviews
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An excellent review of a great product
/
Publisher
/
3/1/2022
An excellent review of a great product
Publisher
/
3/1/2022
Video Review
Manufacturer details
Features
Specifications
Description
For those who demand the best, but want to keep things simple. The Z10 Integrated amplifier delivers the magic, realism, and 3D soundstage of our patented ZOTL technology, all in one (gorgeous) package. A single-component solution, the Z10 Integrated amplifier incorporates the acclaimed ZOTL10 power amplifier, a Berning-designed preamplifier, LTA’s digital control system, and an optional phono preamp–beautifully packaged in a Fern & Roby-designed case. Powered by premium EL84 tubes, delivering 12 watts per channel, listeners enjoy startling realism, plentiful bass, low noise, plus gorgeous mids and highs.
For those who demand the best, but want to keep things simple. The Z10 Integrated amplifier delivers the magic, realism, and 3D soundstage of our patented ZOTL technology, all in one (gorgeous) package. A single-component solution, the Z10 Integrated amplifier incorporates the acclaimed ZOTL10 power amplifier, a Berning-designed preamplifier, LTA’s digital control system, and an optional phono preamp–beautifully packaged in a Fern & Roby-designed case. Powered by premium EL84 tubes, delivering 12 watts per channel, listeners enjoy startling realism, plentiful bass, low noise, plus gorgeous mids and highs.
Release Timeline
Manufacturer Site
Brand highlights
Taking a step back to look at reviewers' thoughts of the brand's entire lineup—not just this product—what stands out most is the following:
- Linear Tube Audio utilizes David Berning's patented ZOTL technology, a unique circuit design that eliminates the need for traditional output transformers, reducing distortion and resulting in a transparent and realistic sound.
- They offer versatile products, often combining preamp, headphone amp, and speaker amp functionalities into a single chassis, catering to various listening preferences and system configurations.
- LTA amps are characterized by their low noise floor, enabling the retrieval of subtle details and creating a sense of aliveness in the music.
- Handmade in the USA with premium components, Linear Tube Audio products blend high-end sound quality with an elegant and functional design, often featuring a chassis designed by Fern & Roby.
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Select product comparisons
MicroZOTL Preamplifier
- Positioning: A compact, rack-friendly preamplifier and headphone amplifier that offers reference-level performance at the entry point of the lineup.
- Description: Impresses with clear, detailed sound thanks to its refined microZOTL circuit, upgraded power storage, and low-resonance aluminum chassis. It offers a shorter signal path and optimized volume control when compared to the higher-powered ZOTL40 and Z10e.
ZOTL40 Reference+ Amplifier
- Positioning: A flagship power amplifier that delivers robust tube performance with refined tonal clarity for critical listening environments.
- Description: Uses patented ZOTL technology enhanced with a massive capacitor upgrade and high-end Audio Note resistors to achieve precise midrange detail and dynamic sound. It provides a more spacious and powerful soundstage when compared to the more compact microZOTL and the headphone-focused Z10e.
Z10e Electrostatic Headphone Amp / Integrated Amp
- Positioning: A versatile amplifier engineered to drive demanding electrostatic headphones while also serving as a full-function integrated speaker amp.
- Description: Delivers refined sound through the ZOTL10 power amplifier and specialized outputs designed specifically for electrostatic drivers, combining high-quality tube tone with modern control features. It bridges the gap between the preamp-focused microZOTL and the high-power Z40+ by offering advanced headphone capabilities alongside dynamic speaker performance.
Z40+ Integrated Amplifier
- Positioning: The top-tier integrated amplifier that combines high power and advanced tube circuitry for the most demanding audiophile systems.
- Description: Integrates a Berning-designed preamp with patented ZOTL technology, augmented by extensive capacitor storage, adjustable volume control, and premium components housed in a stylish Fern & Roby case. It is designed to drive virtually any speaker with a robust, detailed soundstage, setting it apart from the more specialized ZOTL40 and Z10e.
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Avg. Product Price
$500
Used For Sale
8
Available (Scroll Down)
Brand Popularity
168
of 900+
Badges
Top 50 Brand
Top 250 Brand
Products Listed
10
Founding Year
2015
Our take on the brand
Linear Tube Audio uses ZOTL technology, invented by David Berning, which eliminates traditional audio output transformers for clearer sound and operates tubes at lower currents to extend their life to 10,000-20,000 hours. Their amplifiers are known for extremely low noise levels and work well with both high-efficiency speakers and headphones, while featuring a distinctive clear acrylic top that shows the internal components.
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Brand Page
Our interview with the brand
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What's your approach to customer support?
What are your favorite tracks for showcasing the strength of your products?
What other products pair best with yours?
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Used
Linear Tube Audio
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What if you spend more?
Chord Electronics
Mojo 2
650
650
/
65
Reviews
Chord Electronics designs and manufactures all their products in Great Britain, setting themselves apart by using proprietary FPGA technology instead of off-the-shelf DAC chips found in most competitors' products. Their DACs and portable audio devices, featuring distinctive color-changing buttons and portholes, deliver studio-grade performance through unique technologies like the Watts Transient Aligned filter, which provides more natural and detailed sound reproduction.
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Product Strengths
- Improved battery management offering faster charging rates and better efficiency than its predecessor
- Features a new USB-C data input for greater flexibility alongside other inputs
- Offers the world's first lossless DSP for tone adjustments without degrading sound quality, providing customization options
- Excellent resolution and dynamics with a large soundstage and extreme detail
Product Considerations
- The Mojo 2 can get warm when in a pocket for a period of time
- Complicated menu navigation with color-coded buttons that may require the manual
- Still uses Micro-USB for charging, which some find outdated
Takeaway: The Chord Mojo 2 is an exceptional DAC/headphone amplifier for those seeking high-resolution audio and customized sound in a portable format that is easy to move. Its sonic accuracy, detailed soundstage, and improved features provide a versatile and enjoyable listening experience, making it a worthwhile consideration for audio enthusiasts.
Video review
Our take on the brand
Chord Electronics designs and manufactures all their products in Great Britain, setting themselves apart by using proprietary FPGA technology instead of off-the-shelf DAC chips found in most competitors' products. Their DACs and portable audio devices, featuring distinctive color-changing buttons and portholes, deliver studio-grade performance through unique technologies like the Watts Transient Aligned filter, which provides more natural and detailed sound reproduction.
Product Page
Product Page
iFi
xDSD Gryphon
599
599
/
30
Reviews
iFi Audio specializes in portable hifi audio players, offering compact DACs and headphone amplifiers for audiophiles seeking quality sound on the go. The brand also provides affordable audiophile gear, making quality hifi audio accessible to more people.
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Product Strengths
- Versatile connectivity with both wireless (Bluetooth 5.1 with various codecs) and wired options (USB, S/PDIF, analog inputs) makes it suitable for various setups—from desktop to portable usage
- Eloquent, informative, and entertaining sound quality, able to produce clear, non-artificial sound across different headphones
- Features such as XBass II and XSpace provide additional sound shaping options for the user to customize the sound to their liking
- The aluminum build provides a robust and premium feel, with a design that's described as sleek and comfortable to handle
Product Considerations
- The user interface is not very intuitive
- Decent headphones are needed to reveal its quality
- The OLED screen can be difficult to read
- Battery life is around six to eight hours
Comparisons (according to reviewers)
- Compared to the hip-dac2, the Gryphon offers better sound quality, more features, and flexibility
- Compared to the iFi GO bar, the Gryphon is bigger and has a built-in battery, and the GO bar is much smaller and draws power from the source device
- Compared to the iDSD Diablo, the Diablo has more power for very demanding headphones, Gryphon has more functions
- Compared to the Zen DAC, the xDSD Gryphon has a more sophisticated and detailed sound
Takeaway: The iFi xDSD Gryphon is a portable and versatile device delivering high-quality sound with extensive features that cater to audiophiles. Its ability to improve sound quality from various sources and its robust build make it a worthwhile investment for music lovers on the go.
Video review
Our take on the brand
iFi Audio specializes in portable hifi audio players, offering compact DACs and headphone amplifiers for audiophiles seeking quality sound on the go. The brand also provides affordable audiophile gear, making quality hifi audio accessible to more people.
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Bluesound
Powernode
949
949
/
18
Reviews
The Bluesound POWERNODE is the HiFi amp reinvented for the streaming age, combining audiophile-grade componentry and multi-room music capabilities to create an intuitive “just add speakers” hi-res sound system for modern music lovers. The compact minimalist exterior disguises 2 x 80 watts of award-winning HiFi amplification, a premium hi-res DAC design, and access to all the music ever recorded with a tap in our BluOS Controller app for smart devices and laptops.
Bluesound is one of the best entry-level amps if you're looking to dip your toes into hifi. Reviewers love it for what it offers at the price—solid dynamics and tight bass, which is exactly what you expect from good Class D. It’s the go-to pick for people new to hifi since it gives you about 75% of the high-end experience without needing a ton of power. It’s perfect for smaller setups where you want good sound without going all-in on expensive gear.
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Our summary
Product Strengths
- Punchy and musical performer
- BluOS is a treat to operate
- Convenient design as a source and amplifier in one, only needing speakers to complete the system
- Engagingly musical performer—dynamically fluid and punchy, with plenty of energy
- More neutral sounding now, making gains in clarity and insight across the frequency range
- Connectivity options are through 3.5mm headphone-type connectors, shared with mini-TosLink connections
Product Considerations
- Tough competition from other streaming amplifiers
- No way to send data out to an external DAC
- The Powernode was occasionally hard on transients and dynamic bursts
- There is no included remote
Comparisons (according to reviewers)
- The Marantz has a wider-scale, roomier soundstage and greater subtlety
Takeaway: The Bluesound Powernode is a superb streaming amplifier that is better than ever, offering excellent sonic talent and a well-rounded feature set. It provides a convenient and high-quality music experience for anyone looking to simplify their home audio setup.
Video review
Our take on the brand
Bluesound is one of the best entry-level amps if you're looking to dip your toes into hifi. Reviewers love it for what it offers at the price—solid dynamics and tight bass, which is exactly what you expect from good Class D. It’s the go-to pick for people new to hifi since it gives you about 75% of the high-end experience without needing a ton of power. It’s perfect for smaller setups where you want good sound without going all-in on expensive gear.
Product Page
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Bluesound
Powernode Edge
549
549
/
17
Reviews
Add a little extra power with the POWERNODE EDGE, the perfect entry point into “just add speakers” HiFi for the streaming age, combining streaming sources, control, and amplification all in one place. Audiophile-grade componentry capable of up to 24 bits/192 kHz hi-res audio, and wireless multi-room capabilities with smartphone controls combine to make the POWERNODE EDGE a great ‘building block’ amplifier to start, extend or complete a hi-res streaming audio system of any size.
Bluesound is one of the best entry-level amps if you're looking to dip your toes into hifi. Reviewers love it for what it offers at the price—solid dynamics and tight bass, which is exactly what you expect from good Class D. It’s the go-to pick for people new to hifi since it gives you about 75% of the high-end experience without needing a ton of power. It’s perfect for smaller setups where you want good sound without going all-in on expensive gear.
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Our summary
Product Strengths
- Compact design makes it easy to fit in small spaces, like desktops or shelves
- Extensive streaming capabilities via the BluOS app are included, with support for popular services like Tidal, Spotify, and Amazon Music
- Produces a clean, clear, and capable sound with good detail
- Easy to set up and use, making it an accessible entry point for those new to hifi audio streaming
- A variety of connectivity options are offered, including HDMI eARC, optical/analog input, USB, and Ethernet
Product Considerations
- A headphone port is lacking
- Sound lacks outright nuance, dynamics, and punch compared to some rivals
- The BluOS app is required for full control, which might be a drawback for some
- The unit's maximum file resolution support is 24-bit/192kHz PCM, lower than some competitors
- Performance may be limited by the speakers connected to it
Comparisons (according to reviewers)
- Vs Bluesound Powernode (2021) — The Edge has halved the power output and lacks a headphone port compared to the Powernode (2021)
- Vs Technics SA-C600 — The Powernode Edge is not as musically expressive or deft with dynamics as the Technics SA-C600
- Vs Triangle AIO Twin — The Triangle AIO Twin is more entertaining, and is a complete system—speakers included
- Vs WiiM Amp — The WiiM Amp offers many features of BluOS and Chromecast
Takeaway: The Powernode Edge is a compact and versatile streaming amplifier that provides a great entry point into high-quality audio streaming for many. Its ease of use and comprehensive feature set make it a solid choice for modern music systems.
Video review
Our take on the brand
Bluesound is one of the best entry-level amps if you're looking to dip your toes into hifi. Reviewers love it for what it offers at the price—solid dynamics and tight bass, which is exactly what you expect from good Class D. It’s the go-to pick for people new to hifi since it gives you about 75% of the high-end experience without needing a ton of power. It’s perfect for smaller setups where you want good sound without going all-in on expensive gear.
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What competes at this price?
iFi
GO blu
199
/
Released
2021
With Hi-Fi inspired architecture featuring dedicated Bluetooth, DAC, and Amp stages, the ultra-portable GO blu offers the best of both worlds – wireless freedom, paired with the clarity of wired sound.
iFi Audio specializes in portable hifi audio players, offering compact DACs and headphone amplifiers for audiophiles seeking quality sound on the go. The brand also provides affordable audiophile gear, making quality hifi audio accessible to more people.
Expand Details
Our Summary
Product Strengths
- Detailed and expansive presentation, offering a sonic upgrade to phones, especially when portability is a priority
- Versatile, with both wired and wireless connectivity options, including balanced and unbalanced headphone outputs
- Impressively small size and lightweight design, making it pocket-friendly and convenient for on-the-go use
- Sound quality is generally linear, with fast and accurate bass, flat and clean mids, and a detailed treble that is not harsh
- XBass and XSpace features offer customized listening experiences
- Build quality and aesthetics are generally well-received, with its design standing out from other devices
- ChronoDial volume knob is particularly praised for its tactile feel and functionality
Product Considerations
- Black rubberized plastic casing can feel a bit flimsy to some users
- Some reviewers noted hiss with sensitive IEMs, especially on the balanced output
- Battery life estimation can be unreliable
- No dedicated app for the device, limiting EQ and DSP options
- Lacks a clip, making it less convenient for truly portable use
Comparisons (according to reviewers)
- Compared to the Audiolab M-DAC Nano, the Go Blu offers a wider soundstage, better separation, and dynamic sensitivity, though the M-DAC Nano is fractionally punchier in the bass
- Compared to the AudioQuest DragonFly Cobalt, the Go Blu is a wireless proposition, unlike the DragonFly Cobalt, which is a USB plug-in DAC
- Compared to the FiiO Q3, the iFi GO blu highs are a bit too brilliant, but everything else sounded quite impressive
- Compared to the NuPrime Hi-mDAC, the iFi GO Blu mids sound a lot like it, even if voices are slightly less natural
- Compared to the Hidizs S9 Pro and Aune BU2, the GO Blu provides a relaxed sound and has better build and functionality compared to the Hidizs S9 Pro, but is better when using bluetooth compared to Aune BU2, however when competing on wired terms, the Aune is clearer
Takeaway: The iFi GO blu is a tiny but mighty device that delivers impressive sound and versatility—improving the wireless music experience. It is easy to use and has some cool features, making it a good pick for anyone looking for a portable upgrade for their headphones.
Video review
Our take on the brand
iFi Audio specializes in portable hifi audio players, offering compact DACs and headphone amplifiers for audiophiles seeking quality sound on the go. The brand also provides affordable audiophile gear, making quality hifi audio accessible to more people.
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Burson
Funk
491
/
Released
2021
Hi-Fi companies are spoiling headphone enthusiasts with a wide range of choices, but they often overlook near-field audiophiles who listen to speakers in small studios or from their desktops. Instead, near-field audiophiles are left with subpar Class-D amps or active speakers. Alternatively, they have to settle for larger Class-AB amps that disrupt the aesthetic of their setups. The Burson Funk breaks that rule by offering a combination of exceptional performance and a design that fits seamlessly into any living space.
Burson is a hifi brand recognized for its modular op-amp design that allows users to easily swap components to customize their sound signature.
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Our Summary
Product Strengths
- Good sound quality, especially in the midrange, leads to vivid and well-formed vocals
- Versatile, it works well with both efficient headphones/IEMs and moderately powered speakers
- Compact design and good build quality, with the chassis acting as a heatsink
- Ability to roll op amps allows users to customize the sound signature
- Ample power for most headphones and nearfield speaker setups
- Only one RCA input, which may be limiting for some users
Product Considerations
- Speaker amplifier power (35-45W) might be insufficient for power-hungry speakers or larger rooms
- The base model op amps are sonically inferior to upgrade options
- Mild turn-off thump present
Comparisons (according to reviewers)
- The Funk has a narrower but deeper soundstage with better imaging and layering than the Arylic A08 Pro
- The Funk has superior imaging, but less potential power output depending on the Arylic's power supply than the Arylic A07/A08 Pro
- The Funk is preferred for desktop speaker setups with Vivid opamps when compared to Schiit Aegir
Takeaway: The Burson Funk is a solid choice for people wanting good sound from both their headphones and speakers in a single, convenient unit. The ability to change the sound by swapping op amps is a welcome feature for those who like to tinker and upgrade.
Video review
Our take on the brand
Burson is a hifi brand recognized for its modular op-amp design that allows users to easily swap components to customize their sound signature.
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Fosi
ZA3
129
/
Released
2023
The next generation balanced dual-mode Class-D power amplifier. Fosi Audio's first amplifier supporting both stereo and mono modes.
Fosi Audio makes quality hifi accessible worldwide by offering a diverse range of amplifiers, preamps, and DACs that blend modern engineering with vintage-inspired design. Their products are engineered for versatility and power, serving both audiophiles and gamers with impressive performance at competitive prices. With a strong reputation built on solid reviews and customer focus, Fosi Audio stands out as a go-to brand for enthusiasts seeking exceptional sound without breaking the bank.
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Our Summary
Product Strengths
- Great value for the money and an attractive price point
- Balanced input and single-ended RCA input
- Op amps are swappable
- Compact form factor
- Versatile with stereo and mono mode
Product Considerations
- The volume control was found to be touchy by some reviewers
- The included power brick is quite large, almost as big as the unit itself
- The binding posts are small
- The RCA input sounds inferior to the XLR input
- The amplifier does not high pass the mains when a subwoofer is plugged in
Comparisons (according to reviewers)
- Vs Fosi Audio V3: ZA3 is considered a more mature version with stylistic elements and new features like balanced inputs and mono mode, with a naturalness in the tonal quality
- Vs SMSL AO200 MKII: AO200 MKII delivers better clarity, definition, and resolution of the sound
Takeaway: The ZA3 is a versatile and compact amplifier that offers great value, especially for those starting their audio journey. Its ability to be used in both stereo and mono configurations and the option to upgrade components make it a flexible choice for various setups.
Video review
Our take on the brand
Fosi Audio makes quality hifi accessible worldwide by offering a diverse range of amplifiers, preamps, and DACs that blend modern engineering with vintage-inspired design. Their products are engineered for versatility and power, serving both audiophiles and gamers with impressive performance at competitive prices. With a strong reputation built on solid reviews and customer focus, Fosi Audio stands out as a go-to brand for enthusiasts seeking exceptional sound without breaking the bank.
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Our Summary
Product Strengths
- Excellent build quality, featuring a CNC milled aluminum chassis and durable construction
- Achromatic Audio Amplifier (AAA) technology by THX, aiming for transparent sound reproduction without coloration
- Relay volume control provides precise channel matching
- Plenty of power to drive a wide range of headphones, from sensitive IEMs to demanding planars
- Balanced XLR inputs and outputs
Product Considerations
- No pre-amp output
- The notched volume control might not be to everyone's liking
- Gets quite warm during use, especially with the SU-9 DAC stacked on top
- Some reviewers noticed a clicking noise when adjusting the volume
- The three-feet design may not be as stable as a four-feet design
Comparisons (according to reviewers)
- Vs. SMSL SP200: Better unit at repelling noise, with a higher signal-to-noise ratio and lower total harmonic distortion—completely solved the SP200's issue with not having a pitch-black background
- Vs. Benchmark HPA4: Very close to the HPA4 in performance, with some minor differences observed only with high-end headphones
Takeaway: The SMSL SH-9 is a well-built and powerful headphone amplifier with a clean, transparent sound. It is a good choice for audiophiles looking for an accurate and detailed listening experience.
Video review
Our take on the brand
SMSL, a Shenzhen-based hifi brand, stands out for its use of advanced chipsets like Infineon's MERUS and ES9039Q2M, which have been objectively verified to deliver exceptionally low noise and distortion levels. The brand has earned acclaim from value-conscious audiophiles.
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SMSL
HO100
217
/
Released
2022
HO100 Headphone Amplifier features an ultra-low distortion precision feedback circuit with distortion as low as 0.00006%, and an ultra-low noise power supply design that outputs noise as low as 1.3uV.
SMSL, a Shenzhen-based hifi brand, stands out for its use of advanced chipsets like Infineon's MERUS and ES9039Q2M, which have been objectively verified to deliver exceptionally low noise and distortion levels. The brand has earned acclaim from value-conscious audiophiles.
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Our Summary
Product Strengths
- Budget-friendly headphone amplifier focused on quality
- Robust all-aluminum exterior, with rigid toggle switches, and smooth volume control, giving it the same fit and finish as SMSL's higher-end HO200
- Delivers a clean, neutral, and transparent sound, faithfully reproducing the source audio without adding coloration
- Extremely low noise floor
- Versatile due to its three gain levels (low, mid, high) and its ability to drive both sensitive IEMs and harder-to-drive headphones
Product Considerations
- Lacks balanced and unbalanced outputs for connecting to powered speakers, functioning solely as a headphone amplifier
- Does not have preamp capability
- Reviewers have noted average microdetails
- While the design looks smart and subdued, the tempered glass panel easily grabs fingerprints, requiring frequent cleaning
Comparisons (according to reviewers)
- Vs SMSL HO200: HO100 lacks RCA/XLR outputs and has lower wattage, but is more compact and is preferred if the extra power and outputs are not needed
- Vs FiiO K5 PRO: It has better driving power, a lower noise floor with IEMs, and lower distortion at maximum volume
- Vs JDS Labs Atom+: It has higher maximum power, handles maximum volume better with lower distortion, and offers better overall detail in the micro detail, and a more relaxing signature
Takeaway: The SMSL HO100 is a compact yet powerful headphone amplifier that delivers clean, neutral sound suitable for various headphones. It is well-built and offers excellent value for audiophiles seeking a high-quality listening experience.
Video review
Our take on the brand
SMSL, a Shenzhen-based hifi brand, stands out for its use of advanced chipsets like Infineon's MERUS and ES9039Q2M, which have been objectively verified to deliver exceptionally low noise and distortion levels. The brand has earned acclaim from value-conscious audiophiles.
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