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
- Detailed and clear sound with wide dispersion characteristics
- Great dynamic range with precise and extended low-frequency response
- PMC's patented, flat-surfaced LF driver design exhibits increased dynamic range handling and reduced cone break-up distortion
- Built like a tank and well-supported by the shock absorption characteristics of the transmission line itself
- The stereo image was wide, and dispersed itself evenly around the control room
Product Considerations
- The monitors are expensive
- The midrange was a tiny bit lacking, which could have been remedied quite easily had the reviewer had a third amp to tri-amp rather than bi-amp the setup
Takeaway: The IB2S monitors are detailed and clear, offering great dynamic range and precise low-frequency response, making them a great option if budget allows. Their uniformity and consistency of sound, along with wide dispersion, ensures a consistent listening experience throughout the room
All
IB2S
reviews

Manufacturer details
- Frequency Response: 25Hz-25kHz
- Sensitivity: 89dB 1W 1m
- Recommended Amp Power: 120-500W
- Effective ATL™ Length: 2.4m (8ft)
- Impedance: 4 Ohm nominal
- Drive Units: LF 250mm PMC Carbon Fibre/Nomex™ piston driver, MF 75mm PMC fabric dome, HF 27mm fabric soft dome
- Crossover Frequency: 380Hz & 3.8kHz
- Input Connectors: 3 Pairs 4mm Sockets (Tri-wire or Tri-Amp)
- Dimensions: H 740mm (29.1") W 330mm (13.0") D 465mm (18.3")
- Weight: 41kg (90.2lbs)
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:
- PMC leverages its professional studio monitor expertise to create hifi speakers, resulting in accurate and detailed sound reproduction at home.
- The brand utilizes Advanced Transmission Line (ATL) technology in their speaker designs, producing tight, extended, and well-balanced bass.
- They pay significant attention to minimizing cabinet vibrations through decoupled designs, mass damping, and plinth stands to improve imaging and overall clarity.
Select products
Prodigy5:
- Positioning: A compact floor-standing speaker designed for versatility in various room sizes.
- Description: Offers a dynamic sound experience with its Advanced Transmission Line and twin Laminair vents, making it ideal for small to medium rooms. Compared to the larger models like the twenty5.26i, it provides a more affordable option without compromising on the clarity and depth of sound. Its compact design makes it suitable for those with limited space and a moderate budget, while still delivering a powerful audio performance.
Active twenty5.24i:
- Positioning:The largest two-way speaker in the active twenty5i series, designed for high-resolution audio.
- Description: This model combines active technology with PMC's ATL to deliver precise and dynamic sound, perfect for larger rooms. Unlike the passive models such as the Prodigy5, the active design allows for optimized internal amplification, providing a more integrated and space-efficient solution.
Prophecy9:
- Positioning: The flagship model of the Prophecy series, offering state-of-the-art performance.
- Description: Featuring PMC's LaminairX technology, delivers an expansive soundstage and deep bass, ideal for large rooms and high-end audio setups. It surpasses models like the twenty5.26i in terms of technological sophistication and sound dynamics.
Fenestria:
- Positioning: The top-of-the-range model in the Fact series, designed for the ultimate listening experience.
- Description: With vibration-cancelling design and advanced materials, offers exceptional sound purity. It stands out from other models like the Prophecy9 with its innovative cabinet and driver technologies, providing an immersive audio experience.
Our take on the brand
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Used
PMC
What if you spend more?
Elegant and powerful, our BXT turns any pair of Kii THREE into unrivaled floor-standing speakers.
Our summary
Product Strengths
- When combined with the BXT module, the system delivers tight, dynamic, and nuanced bass reproduction
- The addition of the BXT allows the system to reveal subtle details in the lower frequencies that are typically missed
- The BXT system offers a balanced sound, with the midrange frequencies benefiting from the addition of the BXT module
- Are relieved of some bass duties, letting them focus more on the mids
- The combination with the BXT module creates a cardioid dispersion pattern, reducing reflections from side and rear walls—minimizing the influence of room acoustics
- Ease of use is another strength of the concept
Product Considerations
- Some perceive it as sounding 'too digital' or 'too analytical' on its own, lacking the warmth of other speakers, but the BXT module helps to address this
- The display on the Kii Control is considered small, making it difficult to read in poor lighting conditions
Comparisons (according to reviewers)
- Versus ATC speakers, ATC speakers have a warmer, more colorful sound
Takeaway: The system, especially when paired with the BXT module, delivers exceptional sound quality with deep, controlled bass and reduced room interaction. For those wanting a system with great clarity and power, this could be a good pick.
Video review
Our take on the brand
What competes at this price?
Our Summary
Product Strengths
- ATC designs and builds every drive unit in-house, including voice coils, crossovers, and active amplification, allowing for complete control over every loudspeaker design decision
- In the active version, a more clearly defined soundstage has clearer, more well-defined individual elements, where everything pops out more from the background
- The active version has more energy, drive, and a more vivid overall presentation, resulting in a more tactile, energetic, and higher resolution sound
- The SCM50's woofer has an enviable ability to resolve textures and timbral colors, capably rendering the skins of bass drums, the flutter of tom-toms, or the dark voicing of orchestral bass viols as bows are dragged across their strings
- The SCM50 has an almost eerie immediacy that seems to glean the intent of the musician before their bow touches the string or a note escapes their lips, making piano reproduction breathtaking
- Connectivity is limited to a single XLR input, which may require adapters for single-ended sources
Product Considerations
- The active version is heavier than the passive version
- The owner must manually turn each speaker on and off, as there is no trigger or auto startup circuit
- The active version may pose challenges for owners of subwoofers needing high-level wiring connections, although workarounds exist
- Careful attention must be paid to positioning a pair of SCM50s, as the full-bandwidth—ported design means that placing them too close to a boundary wall will result in bass bloom
Comparisons (according to reviewers)
- SCM50 wins hands down over PureAudioProject Duet 15s for resolution, clarity, and dynamic shading
- The active version excels over the passive in solidity of soundstage, neutrality, and ultimate detail retrieval
Takeaway: The ATC SCM50 offers exceptional sound quality, whether in its active or passive configuration, thanks to ATC's engineering and in-house design. The ATC SCM50 is a choice that will bring musical joy for years to come.
Video review
Our take on the brand
Our Summary
Product Strengths
- Extremely clear monitors, better for mixing and mastering than any other monitor besides other PMCs
- Sounds like mains, with a really big sound footprint, unusual for near-field or mid-field monitors
- Allows the user to make incredibly detailed, accurate decisions and be extremely happy with the results
- Inspiring and musical sound, which empowers the user as an engineer and producer
- The Sound Align software and graphic EQ works really well after a firmware update
Product Considerations
- Benefits significantly from AES input, analog input may require a very accurate converter to achieve similar quality
- Requires a very long break-in period
- Firmware updates may be needed to ensure optimal performance of Sound Align
- The Prism Lyra may not work well for AES monitoring
Takeaway: The PMC6-2 monitors are great for an engineer who wants to make detailed and accurate mix decisions, and they sound amazing. If you have AES, these could be the right monitors for your studio.
Video review
Our take on the brand
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