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
- Very good imaging and a clean mid to high end
- Sounds good, even at higher volumes
- Produces a smooth midrange, ample bass, and refined highs
- The enclosure feels strong and durable
- Can be mounted almost anywhere and then turned so that it fires in the best direction
Product Considerations
- Is power hungry and needs at least 75 watts per side
- At first, pointing the tweeters too low made them sound a bit dull
- An amp with an output of at least 50Wpc should be considered the minimum for outdoor play, and 100Wpc or more would be even better
Takeaway: The CS1000 is a versatile and durable speaker that delivers good sound both indoors and outdoors. It is easy to install with adjustable wall brackets.
All
CS1000
reviews

Manufacturer details
- Frequency Response On Axis @ 0° ±3dB: 45-23,000Hz
- Frequency Response On Axis @ 0° ±1 1/2dB: 59-20,000Hz
- Frequency Response Off Axis @ 30° ±1 1/2dB: 59-10,000Hz
- LF Cutoff -10dB: 40Hz
- Sensitivity Anechoic Chamber: 86dB
- Sensitivity Listening Room: 88dB
- Impedance Nominal: 8 Ohms
- Impedance Minimum: 6 Ohms
- Input Power Recommended: 20 - 150 Watts
- Input Power Program: 150 Watts
- Tweeter: 1" (25mm) Titanium Dome with Ferrofluid Neodymium Magnet
- Woofer: 6 1/2" (165mm) Clay/Ceramic reinforced Polypropylene Cone Rubber Surround
- Crossover: 2,200Hz, LR4
- Internal Volume: 0.3 cu ft (8.5L)
- Design Type: Bass Reflex
- Size (W x H x D): 9 1/4 x 12 1/4 x 11 3/4" (235 x 310 x 296mm)
- Weight Net: 10lb (4.5kg)/each
- Weight Shipping: 24lb (11kg)/pair
- Finish: Black or White
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:
- PSB's loudspeaker designs, refined at Canada's National Research Council for 50 years, emphasize wide bandwidth, low distortion, and broad, even dispersion.
- The brand offers exceptional value by using lessons learned from flagship Synchrony lines in more affordable speakers, often outperforming competitors at similar price points.
- Unlike many brands, PSB resists the urge to design cost-no-object loudspeakers, remaining committed to creating high-end audio components that people can afford.
- They have developed their own Amplitude Perfect Linkwitz-Riley 4th order crossover, featuring high-voltage poly film capacitors and oxygen-free interconnect wire for precise driver control.
Select products
Alpha T20 Tower
- Positioning: The entry-level model in the PSB lineup, offering an affordable yet high-quality audio experience.
- Description: Delivers a rich and full-bodied sound with its dual 5 ¼" woofers and ¾" aluminum dome tweeter, making it ideal for small to medium-sized rooms. Unlike the more expensive models, it focuses on providing excellent sound quality at a budget-friendly price, making it perfect for those who want good sound without breaking the bank.
Imagine T65
- Positioning: A mid-range offering in the PSB lineup, providing a balance of performance and price.
- Description: Stands out with its 3-way dual bass reflex design, offering deep bass and clear highs, making it suitable for both music and home theater use. It provides a more refined sound compared to the Alpha series, with better bass response and higher power handling.
Passif 50
- Positioning: A special edition model celebrating PSB's 50th anniversary, positioned as a premium offering with a vintage aesthetic.
- Description: Combines retro design with modern technology, featuring a 1" titanium dome tweeter and a 6.5" woofer with an 8" passive radiator for precise bass. It offers a unique blend of nostalgia and advanced audio performance, setting it apart from the more modern-looking models like the Imagine T65.
Synchrony T800 Tower
- Positioning: The flagship model in the PSB lineup, offering the highest level of performance and craftsmanship.
- Description: The groundbreaking Synchrony T800 Tower is engineered for audiophiles seeking the ultimate listening experience, with its advanced motor structure and sophisticated crossover design for minimal distortion and high sound pressure levels. It surpasses other models in the lineup with its superior build quality and acoustic performance, making it ideal for large rooms and those who desire the best soundstage and clarity. Its premium price reflects its top-tier status, offering features and sound quality that justify the investment for serious audio enthusiasts.
Our take on the brand
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Used
PSB
What if you spend more?
Product Strengths
- Secure imaging, believable vocal and instrumental timbres, and a superb sense of atmosphere and presence
- The speaker does a 'small-box disappearing act supremely well,' not drawing attention to itself and letting the music spill forth
- Provides tight, tuneful, convincing, and properly focused bass that securely underpins the music
- Emphasizes detail and resolution, and has one of the best detail/resolution figures that one reviewer has heard in the price range
- Has a wide sound dispersion, allowing listeners to sit anywhere in the room and still have a great sound
Product Considerations
- Can get sharp—shouty—harsh at high listening volumes
- Bass may not be sufficient for those looking for a lot of bass, and a subwoofer is recommended
- Soundstage is fairly intimate
- The treble can be a bit too hard, and some reviewers wished for a treble cut switch
- One reviewer disliked the cartoonishly large binding posts, and dangling leads can contact the passive radiator
Comparisons (according to reviewers)
- Vs Buchardt S400: The Argon3S sounds more neutral and mid-centric, has a sweeter voicing, and a sharper treble
- Vs KLH Model Five: The midrange is slightly cleaner on the Argon3S, but it sounds very focused in comparison
- Vs SVS Prime Wireless PRO: The baseline clarity is considerably better for the pricier Argon3S, but the soundstage is far more holographic on SVS Prime Wireless PRO
- Vs ATC SCM 11 Version 2: Similar frame of mind, but the Amphion Argon 3S is more expressive and colorful
Takeaway: The Argon 3S is a compact speaker with a focus on detail and clarity, perfect for those who enjoy analyzing their music, especially at low to moderate volumes. Its design ensures it sounds great in various placements, making it a versatile addition to any audiophile's setup.
Video review
Our take on the brand
Product Strengths
- Technically the best speakers the reviewer has ever reviewed, based on objective measurements
- Optimized with a six and a half inch driver, the transition from the mid-range to the tweeter is seamless
- Great directivity index, making them EQable and sound good even without EQ
- Precise imaging creates a wide soundstage and a strong center image
- Well-made with HDF enclosure, rhodium binding posts, and good crossover components for the price
Product Considerations
- Requires a subwoofer for deep bass extension
- Aesthetics are plain, and may not appeal to those seeking visually striking speakers
Comparisons (according to reviewers)
- Vs Philharmonic Audio BMRs, the Arendal 1723 has more precise imaging, while the BMRs have a wider but softer soundstage
Takeaway: The Arendal 1723 speakers offer top-notch technical performance and precise imaging, making them great for both two-channel and home theater setups when paired with a subwoofer. Their neutral sound and EQ-ability make them a versatile and high-performing choice.
Video review
Our take on the brand
Even though the S400 MKII shares the same appearances as its predecessor, the speakers are actually quite a different experience when you listen to them. If we are to put this experience into words, it could be something like...
Our summary
Product Strengths
- Surprisingly deep and controlled bass for its size, extending down to 33Hz, is delivered thanks to its passive radiator
- A sweet, smooth, detailed, airy, and intimate sound with a natural midrange that presents human voices remarkably well, is produced
- A wide and deep soundstage, excelling particularly in creating a three-dimensional listening experience with a strong front-to-back depth, is offered
- High-quality components in its crossover, including air core inductors and film capacitors, are used
- Exemplary off-axis performance due to the CDC waveguide, leading to evenly distributed in-room frequency response, excellent imaging, bigger soundstage, and improved transparency, is presented
Product Considerations
- A bit bright in the top end, particularly on-axis and even slightly off-axis, depending on the room acoustics, may be heard; sidewall absorption or equalization may be needed
- Vertical placement is temperamental; listeners should ensure their ears are aligned with the reference point between the waveguide and midwoofer
- A capable amplifier, ideally one with high output power and a high damping factor, is required to properly control the bass
- At high volumes, the speaker can experience compression and distortion, particularly in the higher frequencies and lower frequencies
- The direct sales model means there are no physical stores to demo the speakers
Comparisons (according to reviewers)
- Vs KEF LS50 Meta: The S400 Mark II sounds bigger and more potent, although the LS50 Meta is more transparent and has higher clarity
- Vs Dynaudio Heritage Special: The S400 MkII offers comparable midrange and equal bass, while the Dynaudio has more sizzle on top and a little more of a plumper mid
- Vs Emotiva B2 Plus: The S400 Mark II has more refined treble and midrange, but the Emotiva is better for rock and metal music
- Vs Dynaudio Special 40: The S400 MkII is sweeter, more open, more spacious sounding, and has a more transparent midrange
- Vs Klipsch The7s: The S400 MKII has a wider soundstage radiation
Takeaway: The S400 Mark II is a great-sounding speaker with impressive bass for its size and is easy to listen to for hours. It is a good option for those looking for a high-fidelity listening experience.
Video review
Our take on the brand
Product Strengths
- Tool-less design with the Easy Quick Install (EQI) system allows for quick and easy installation
- Flax cone drivers offer light, stiff cones with good natural damping
- The design allows for both horizontal and vertical installation by rotating the high-frequency/mid-range pod
- Delivers impressive dynamics, a clean, neutral balance, and articulate dialogue handling
- Easy to drive with an amplifier
Product Considerations
- The Easy Quick Install (EQI) system may not work in all situations due to space constraints behind the wall
- The open-back design can make the speaker's balance dependent on the installation environment, potentially requiring EQ adjustments
- Adding the included black acoustic cloth to the grille darkens the overall color shade, which is not ideal for color matching applications
- If a clamp breaks on the tool-less design, it is not easily replaceable
- Requires more horizontal spacing than speakers with traditional dogears, requiring installers to be more careful about between-stud placement
Comparisons (according to reviewers)
- Vs Focal Kanta No. 2: The Kanta No. 2 has a weightier midrange, superlative upper frequencies, more depth, wider soundstage, and improved imaging, though the 300IWLCR6's sound quality is satisfying
- Vs PSB W-LCR: The PSB exhibits a very slight nasal characteristic, which is not noticed on the Focal LCRs
- Vs Martin Logan Axis: The Martin Logan Axis has impressive imaging and upper-end frequency output due to its folded ribbon tweeter, which is very different from the Focals' inverted dome aluminum and magnesium tweeter
Takeaway: The Focal 300IWLCR6 in-wall loudspeaker is easy to install and delivers great sound for music and movies, especially when paired with a good subwoofer. The speaker can be easily installed, and it can fit into various home theater setups.
Video review
Our take on the brand
What competes at this price?
Our Summary
Product Strengths
- Intricately detailed, articulate, and powerful sound across the soundstage
- Astonishing build quality with robust and weighty die-cast aluminium enclosures and a luxurious finish
- The Apex system delivers audiophile standard sound quality without making huge demands on living space
- The inert enclosures enable the Apex to deliver an astonishingly fast and detailed sound
- High frequencies are smooth, speech is clear, and the rear soundstage is expansive
Product Considerations
- Expensive compared to normal compact systems
- The AW12 subwoofer is quite heavy despite its compact dimensions
Comparisons (according to reviewers)
- Apex uses the same tech as Monitor Audio's Silver RX range, but it is 'distilled' down to fit a more compact cabinet size
- Apex is in a different league than other satellite systems, offering a level of sound quality not typically associated with satellite speakers
Takeaway: The Apex system offers detailed and powerful sound, with an astonishing build quality. It is a great choice for those seeking audiophile-level sound in a compact and stylish package.
Video review
Our take on the brand
Our Summary
Product Strengths
- Sweet and detailed audio performance with clear instrumental separation and expansive dimensionality
- Warm and full-bodied bass and midrange
- Clear yet 'mellow' treble, creating a pleasing sound signature
- Accurate sound that doesn't do much to color the recording, so listeners get a balanced presentation of the source content
- Good level of dynamic range for reasonably sized bookshelf speakers, and they can get louder than expected for their size/price class
Product Considerations
- The laid-back sound may occasionally obscure some definition
- The speakers run on the cooler side of things, never becoming too indulgent in any aspect and instead providing a sound that is accurate and slightly pulled back, but never muted or lifeless
- Asymmetry of the phase coherence of their vertical lobe can be a slight problem for anyone listening under the tweeter axis
- Does not feel as substantial as some other speakers in their price class
Comparisons (according to reviewers)
- Vs Focal Vestia No. 1: Theva offers a lot of what makes the Vestia No. 1 great while saving money, but is not as immediately striking in detail or treble extension
- Vs Bowers & Wilkins 606 S3: Theva is more compact and easier to place, but doesn't look as premium
- Vs Polk Legend Series L100: Theva has a more laid-back sound profile, making it a better listen in most cases, while the L100 presents a more precise center image
Takeaway: The Theva No. 1 is a great speaker for enjoying detailed and smooth sound without harshness. It's a good option for different types of content, from music to movies, and is especially suited for smaller spaces.
Video review
Our take on the brand
Our Summary
Product Strengths
- Wide soundstage and radiation pattern, both horizontally and vertically, contribute to an immersive listening experience
- Good mid-bass punch, with an elevated bump around 120Hz that gives the perception of more impact
- Neutral tonal balance, with a well-balanced sound that allows the music to shine
- Excellent dispersion characteristics make them suitable for modern spaces where acoustic treatments are limited
- Metamaterial Absorption Technology (MAT) absorbs unwanted sound behind the tweeter for clearer sound
Product Considerations
- Compression and strain in the upper midrange can occur at high output levels (above 90dB at 10 feet)
- Some cabinet resonance exists
- Some detail, clarity, or attack is lacking from the speaker
- Not ideal for high output
- A slight dip around 1-2kHz exists that some people may not like
Comparisons (according to reviewers)
- Compared to the KEF Q350, the Q3 Meta has more body and weight in the bass regions, but the Q350 is slightly better and more lively sounding in the upper frequencies
- Compared to the Polk Audio Reserve R200, the Q3 Meta is more neutral
- Compared to the Paradigm Premier 100B, the Q3 Meta dispersion characteristics are better, so they do not need a sub
- Compared to the PSB Imagine B50, the B50 kept its composure better at much louder listening levels, and its tonal balance seemed somehow even more neutral
Takeaway: The KEF Q3 Meta is an enjoyable speaker with a wide soundstage and neutral sound that makes the music sound good. It's a great pick for aesthetics if one does not listen at dangerous sound levels.
Video review
Our take on the brand
Our Summary
Product Strengths
- Available in multiple vibrant colors, breaking the monotony of typical speaker designs
- Produces a surprisingly big and wide sound despite their compact size
- The MHEX woofer reacts very fast and sounds like paper
- Soundstage stretches from speaker to speaker
Product Considerations
- Sound profile shows a dip in mid-range and roll-off in high frequencies, potentially requiring EQ adjustments
- High frequencies roll off around 8k or so
- Limited bass response, which may need a subwoofer for rock music or larger rooms
- Not linear frequency response, which may impact sound clarity
- Overall sensitivity is about 83.4 dB, which is below manufacturer's specs
Takeaway: The KIN ONE speakers are small but can create a big sound with multiple color options. Though they may benefit from EQ and a sub, they can be a good option for smaller rooms.
Video review
Our take on the brand
Our Summary
Product Strengths
- The tapered cabinet design eliminates internal resonance, making it lightweight and rigid
- It uses a custom-designed Vortex port that provides more volume in less space
- A unique design allows the woofer to roll off naturally at 2.2kHz, eliminating the need for a low-cost crossover component that could degrade audio signal quality
- Offers a neutral and realistic midrange, providing a natural and realistic sound
- Clarity and resolution, particularly in the midrange area, is well-received
Product Considerations
- Minute gaps were found in the seams of the custom vinyl finish under scrutiny
- Since it is a rear port, some room will need to be left for the speaker to breathe
Comparisons (according to reviewers)
- Compared to the KEF Q1, the M3 had clearer differentiation and separation of choir and orchestra, and French horns had much more balance and presence
Takeaway: The Axiom M3 is a well-designed speaker that offers excellent value and performs above expectations. It could be a great choice for anyone wanting a clean, neutral sound with great dynamics for casual listening.
Video review
Our take on the brand
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