Interfire 1ch. Mono Block Amplifier / 1600 watts (T-1500M) Channel-1ch Mono Block A/B; Total Max Power-1600 watts; 4 Ohm at 14.4V 0.3%THD ( RMS )-450w x 1ch; 4 Ohm at 14.4V ( MAX )- 850w x 1ch; 2 Ohm at 14.4V 0.3%THD ( RMS )-750w x 1ch;2 Ohm at 14.4V ( MAX )-1500w x 1ch 1 Ohm at 14.4V 0.3%THD-N/A; Mono Bridge ( RMS )-N/A; Power Supply-Full PWM; Damping Factor @ 4 Ohms / 100Hz-&gt;150; S/N Ratio(A-Weight) -&gt;90dB; THD-&lt;0.1%; Crossover S/W for 1+2 channel 12dB/Oct.-N/A; Variable Hi-Pass-N/A; Variable Low-Pass-50Hz - 250Hz; Bass Boost, 12dB @ 45 Hz"-Yes; Heatsink Length (mm)	15 3/4 x 10 x 2 1/8 ; Fuse Rating-3 x 25 amp