Kenwood XH401-4 X-Series High Resolution 4 Channel Class-D Power Amplfier Type_Bluetooth Combined with electronics or directly

Combined with electronics or directly connected to the vehicle’s original amplifier

Speaker hardware is forged from rustproof

This 25cm Subwoofer has a robust thermal management system

Which is fairly high for a 10cm speaker

minimal directivity and excellent linearity in the high end

Kenwood XH401-4 X-Series High Resolution 4 Channel Class-D Power Amplfier Type_Bluetooth Combined with electronics or directlyKey Features Class D 4 Channel Power Amplifier CEA 2006 compliant Hi Res Audio compliant 75W x 4 RMS power output Frequency Response 20Hz Variable High Pass Filter Variable Low Pass Filter Speaker level input Signal sensing turn on Wired remote included for B channel