Bowers & Wilkins ASW610XP Subwoofer

Features
Input level (line in)
Input level (speaker in)
Low-pass filter frequency (line in only)
Low-pass filter bypass
Bass extension
Bass roll-off alignment
Auto sense on / standby
Phase switch

Description    
Active closed-box subwoofer system

Drive unit    
ø250mm (10 in) paper / Aramid fiber cone long-throw

Frequency range    
-6dB at 18Hz and 25 / 140Hz adjustable (EQ at A)

Frequency response    
±3dB 25Hz – 40 / 140Hz adjustable (EQ at A)

Bass extension    
-6dB at 18Hz (position A)
-6dB at 23Hz (position B)
-6dB at 28Hz (position C)

Amplifier    
Power output: 500W

Rated power consumption    
98W / 1W standby

Input impedance    
33kΩ

Signal / noise
>90dB

Inputs
Line in (RCA Phono)
Speaker in (Binding post)
12v trigger (3.5mm jack)
Low-pass filter
Active 4th-order, variable cut-off frequency

Dimensions    
Height: 325mm (12.8in) not including feet or spikes
337mm (13.3in) including feet
353mm (13.9in) including spikes
Width: 325mm (12.8in)
Depth: 348mm (13.68in) not including grilles
375mm (14.8in) including grilles and controls