PSB CWA-1 In-Wall-Subwoofer Amplifier

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  • Regular price $209.99

PSB CWA-1 In-Wall-Subwoofer Amplifier

The CWA-1 is a powerful compliment to PSB's CWS8 in-wall subwoofer and CWS10 In-wall Subwoofers. A true “shelf” component, this solid chassis delivers 300 watts of continuous power, stable down to 2 ohms. The host of adjustments includes variable gain and crossover controls, along with phase adjustments and custom EQ settings. This control makes it an effective solution for various in-wall subwoofers, large and small, offered today.


  • 2 ohm stable operation
  • Controls for Level, Low Pass Frequency and Phase
  • Two EQ/extension positions for current and future subs
  • Three control Parametric Equalizer
  • Music or voltage sensor triggering
  • Shelf mounting


Amplifier Power
Continuous 200 Watts into 4 ohms, 300 Watts into 2 ohms
Dynamic 350 Watts into 4 ohms, 500 Watts into 2 ohms

Frequency Range 55 to 150 Hz
Filter 24 dB/Octave Lowpass

Parametric Equalizer
Boost/ Cut -10 dB to +10 dB
Bandwidth 0.15 Octave to 1.05 Octave
Frequency 30 to 100 Hz

Stereo Line Level RCA
LFE Line Level RCA
Trigger In

Stereo Line Level RCA
Speaker x 2
Trigger Out

Dimensions (W x H x D)
Net 17” x 12 5/8” x 3 ¾” (432mm x 321mm x 95mm)
Shipping 21 ½” x 6 ½” x 13 7/8” (547mm x 167mm x 352mm)

Net 18.0 lbs (8.2kg)
Shipping 20.9 lbs (9.5kg)

Shipping 1.12 cu.ft. (0.03 cu.M.)