The PMC IB2S-AII is a 3-way active reference monitor that offers discerning recording engineers all the attributes of the company’s large ATL main monitors, but in a more compact form factor designed for midfield monitoring applications in midsized rooms. Perfect for high-end reference monitoring in both stereo and surround formats, the DSP-controlled, Class D-powered IB2S-AII employs PMC’s Advanced Transmission Line (ATL) bass-loading technology, delivering smoothly controlled, high-resolution low-frequency response. Each cabinet features PMC’s bespoke handcrafted drivers — a 10" carbon-fiber/Nomex piston woofer, a 75mm fabric-dome midrange, and a 34mm soft-dome tweeter — driven by 2025 watts of custom, ultra-low-distortion, rackmountable triamplification. Engineers trust PMC monitors to tell the truth, session after session, thanks to their supremely natural sound and composure at any listening level.
Since their first professional studio main monitor designs were embraced by the music, broadcast, and post-production industries in the early 1990s, PMC has become famous for its proprietary Advanced Transmission Line (ATL) technology. A transmission line loads the low-frequency driver so that undesirable rear-radiated frequencies are absorbed, allowing only the deepest bass to emerge from a front-baffle vent. This effectively acts as an auxiliary LF driver, extending bass response while reducing harmonic distortion that can cloud the upper bass and midrange. ATL technology enables deeper bass and higher output from smaller cabinets while maintaining a rich, full sound at any listening level, with low-frequency balance that remains consistent even at quiet volumes.
PMC’s ATL system moves under-pressure air at high speeds, making reduced drag and turbulence essential for maximizing efficiency and eliminating air noise. PMC’s Laminair vent applies aerodynamic principles inspired by high-performance motorsport engineering, creating smooth laminar airflow at the transmission line outlet. The combination of ATL and Laminair technology results in exceptional bass timing, ultra-wide dynamic range, and outstanding clarity, allowing PMC loudspeakers to deliver a supremely natural sound with complete composure at any volume.
There’s no substitute for midrange clarity in a studio monitor — it’s the heart of your mix and remains critical across all playback systems. Without it, engineers can spend hours chasing balance, only to end up with listening fatigue and mixes that fail to translate. By combining ATL and Laminair technologies, the IB2S-AII minimizes port noise and problematic frequencies that can obscure the midrange in other designs. The result is improved placement of vocals and instruments, faster decision-making, and mixes that translate reliably beyond the studio.
The three-way IB2S-AII offers discerning users all the attributes of PMC’s large ATL™ reference active monitors, but in a more compact form factor. Ideal for high-end reference monitoring in both stereo and surround formats, the IB2S-AII delivers exceptional accuracy, power, and consistency for critical listening environments.
Its DSP-controlled, Class-D powered cabinet utilizes PMC’s ATL™ (Advanced Transmission Line) bass-loading technology to achieve smoothly controlled, high-resolution low-frequency performance. Each enclosure is fitted with PMC’s hand-built proprietary drivers — a 10" carbon-fibre/Nomex™ piston woofer, a 75mm fabric-dome midrange, and a 34mm soft-dome tweeter. Power is supplied by PMC’s ultra-low-distortion, rack-mountable amplification, delivering acoustically transparent output across the spectrum.
This single-cabinet monitor includes user-adjustable HF and LF shelving filters, ±8dB input level trim, and standard AES3 digital input. Balanced analogue input sensitivity is adjustable from +4dB to +16dB. EQ, level trims, and analogue/digital input selection can also be controlled remotely via the supplied RJ45-connected remote, providing maximum flexibility in professional studio environments.
Options:
Deeper, Clearer, Cleaner Bass & More
PMC’s legendary natural and realistic sound is driven by its Advanced Transmission Line (ATL) bass-loading technology, proven in professional studios worldwide. ATL harnesses bass energy far more intelligently and efficiently than conventional ported or sealed cabinet designs, delivering greater detail, a rich and natural tonal balance at any volume, and deeper bass from a smaller enclosure.
| Powered | Yes |
|---|---|
| Power Configuration | Tri-amped |
| Quantity | Pair |
| LF Driver Size | 10" |
| LF Driver Type | Carbon Fibre |
| MF Driver Size | 2.95" |
| MF Driver Type | Soft-dome |
| HF Driver Size | 1" Tweeter |
| HF Driver Type | Soft-dome |
| LF Driver Power Amp | 1200W |
| MF Driver Power Amp | 550W |
| HF Driver Power Amp | 275W |
| Total Power | 2025W Class D |
| Frequency Response | 25Hz–25kHz |
| Crossover Frequency | 380Hz |
| Maximum Peak SPL | 125 dB SPL |
| Input Types | 2 x XLR, 2 x XLR (AES/EBU) |
| Output Types | 2 x XLR (thru), 2 x XLR (AES/EBU) |
| Other I/O | 2 x RJ45 (remote in/thru) |
| Enclosure Type | Front Ported |
| Enclosure Material | Medite Resonance Damped Composite |
| Height | 29.3" |
| Width | 12.9" |
| Depth | 22.2" |
| Weight | 102.5 lbs. |
| Manufacturer Part Number | IB2S-A-MK2 |
