MB Quart QB201A 20 cm (8″) Active Subwoofer System

Specifications
20 cm (8″) Subwoofer
125 Watts RMS
250 Watts MAX
Phase Shift 0° / 180°
Bass Boost 0-12 dB @ 45 Hz
Low Pass Filter 50 – 150 Hz @ 12 dB
Auto Turn-On
RCA Inputs, High Level Inputs
Aluminum Heat Sink Body
Bass Level Remote Controller
325 x 73 x 240 mm