1550W RMS x 1 @ 4 Ohms
2650W RMS x 1 @ 2 Ohms
4000W RMS x 1 @ 1 Ohm
4000 Watts RMS (per gift box and what's on amp)
Fuses: No fuses come with this amp and the owners manual doesn't suggest a fuse size.
1 Ohm Stable
T.H.D. 0.04%
Freq. Resp.: 15Hz~250Hz
Input Sensitivity: 300mV-8V
S/N Ratio: >100dB
Crossover: 50Hz~250Hz
Subsonic Filter: 15Hz~40Hz
Dimensions; 11-3/4"W x 1-3/4"H x 25-1/8"L