"ARX 4.1 RMS POWER @ 4 OHM : 70 W?CH+230 W?CH BRIDGE MODE POWER @ 4 OHM : 200 W?CH+230 W?CH THD @ 4 OHM : < 0.5 % S/N (A-WEIGHTED) : > 90 dB INPUT SENSITIVITY : 0.25 ?6 V FREQUENCE RESPONSE : 20 HZ?0 KHZ DIMENSION : 252(W)?00(L)?0(D) mm"