Bowers & Wilkins ASW 10CM Subwoofer

The Bowers & Wilkins ASW10CM is a compact active subwoofer designed to deliver controlled, articulate low-frequency performance within both music and home theatre systems. Developed as part of Bowers & Wilkins’ CM Series, the ASW10CM was engineered to complement the refined tonal balance and compact aesthetics of the company’s premium loudspeaker ranges while maintaining genuine low-frequency authority.

Rather than prioritising excessive output or exaggerated bass emphasis, the ASW10CM focuses on speed, integration, and musical control. Its rigid long-throw driver and high-current Class D amplification are housed within a heavily braced enclosure designed to minimise cabinet resonance and maintain composure under demanding conditions.

The result is a subwoofer intended not merely to add bass weight, but to extend the system’s overall bandwidth with greater scale, impact, and low-frequency realism.

Specifications

• Type: Active sealed-box subwoofer
• Driver:
  • 1 × 250mm (10″) long-throw paper/Kevlar cone driver
• Amplifier Power:
  • 500W Class D amplifier
• Frequency Response:
  • 27Hz – 40Hz ±3dB
  • 20Hz – 140Hz adjustable (-6dB)
• Low-Pass Filter: Adjustable 40Hz – 140Hz
• Inputs:
  • 2 × RCA line-level inputs
  • Speaker-level inputs
• Outputs:
  • 2 × RCA line-level outputs
• Functions & Controls:
  • Adjustable crossover frequency
  • Level control
  • Phase switch
  • Auto sense power
• Cabinet Construction: Sealed enclosure design
• Dimensions (H × W × D): 343 × 343 × 358 mm
• Weight: 18.5 kg

In performance terms, the ASW10CM is characterised by tight, controlled bass reproduction with excellent integration characteristics, making it particularly effective in systems where musicality and timing are prioritised over sheer low-frequency output.

The sealed enclosure contributes to a presentation that feels fast and composed, with strong transient response and reduced overhang compared to many ported subwoofer designs. This allows the ASW10CM to integrate naturally with compact standmount speakers and refined two-channel systems, while still providing sufficient impact for film applications in medium-sized rooms.

Its compact dimensions and understated industrial design also make it easier to accommodate within living spaces where larger subwoofers may prove visually intrusive.

A refined compact subwoofer focused on control, integration, and musical low-frequency performance rather than exaggerated bass output.

Condition: Good

Colour: Piano Black

NOTE: Unit includes Grille. Original packaging not included