Unleash your home theater
Create the very best home theater experience with a powered subwoofer from Power Sound Audio. Energize your room with fast, dynamic bass and cinema quality sound.
-Resetting the marketplace for what you should demand from your subwoofer the S21 Ipal-M offers a stunning combination of power, accuracy, and extension in a remarkably compact cabinet.
-The S21 Ipal-M subwoofer is powered by a 4000 RMS (6000W Peak) built-in amplifier with proprietary noise reduction as well as an innovative DSP software code that ensures both longevity and sound accuracy.
-MDF enclosure that is finished with a non-reflective matte covering. An acoustically transparent fabric grille covers the front-firing 21-inch subwoofer driver. The amplifier is mounted on the rear baffle.
-The 21" IPAL woofer is world renowned as the very best money can buy, period. With incredible thermal handing, motor strength, and inductance considerations you are assured of powerful and accurate bass reproduction.
|21" Italian IPAL Woofer
4000W RMS (6000W PEAK)
|CNC machined MDF
11hz-200hz Anechoic (+/-3dB)
24.5" x 23.75" x 23.75" with grille
Amplifier Power: 4000W RMS 6000W Peak
Amplifier Topology: Innovative post-filter feedback class-D topology, achieves ruler-flat frequency response, low distortion and very high damping across the whole audio band
Uses latest generation power MOSFET transistors and highly optimized output stage for up to 95% efficiency, allowing quiet fan-less operation up to unprecedented power levels
Full featured protection: DC, overload, low impedances, shorts, under/over-voltage, overheating, etc.
Includes gentle soft-start and long-term power limiter to reduce the chances of tripping breakers
120VAC (optional 120VAC-240VAC for an additional charge)
Unbalanced Inputs: Left and Right RCA
Balanced Input/Output: XLR input and XLR loop output.
On, Auto, Off selector
Time delay(phase) control
Room size control
Custom DSP(digital signal processing) enables superior engineering refinement
LED indicators for standby and power mode
Acoustically transparent grille
Non-reflective black matte finish
Precision machined CNC panels
Rigid MDF baffles
Rear mounted amplifier
Dimensions (DxWxH): 24.5"x23.75"x23.75" with grille
21 inch B&C Ipal woofer design from Italy
6 inch split wound aluminum voice coil
5000 watt thermal capabilities
99 dB sensitivity
Motor force of 522(BL^2 / re)
Extensive inductance control to optimize sound quality