Keep on question for the true sound

Specifications

Active Subwoofer System
Amplifier
Maximum Output Power:350W/4Ω
Frequency Response:20Hz-150Hz
Cut-off frequency Control:50Hz-150Hz
Phase control:0-180°
Speaker
Woofer:12inch Cone Type
Power Supply, Others
Power Voltage:220V-240V
Power Consumption:400W
Dimensions(W X H X D)：370x444.5x415mm
Weight：21Kg