QQ1 connait cet ampli  
et son prix  :?:  
 
 
High current Class "D" subwoofer amplifier,2000w x 1RMS into 4 ohms Continuously variable 12dB x-over between 50 and 250Hz, Continuously variable subsonic filter between 20 and 50Hz with on/off circuit, RCA preamp output, CFR-3 analog subwoofer level control, 4000W x1 into 2 ohm. 9.3"W x 2.1"H x 25.75"L