Zapco st-1350

Power RMS (4 Ohms), W: 450
RMS power (2 Ohms), W: 870
RMS power (1 Ohm), W: 1250
Frequency range, Hz: 10 - 150
OIG,%: <0.3
Signal to noise ratio, dB: 83
Efficiency,%: 85
Input sensitivity, V: 0.25 - 5
Low Pass Filter: 40 - 180 Hz
Subsonic filter: 17 - 50 Hz
Bass boost (30 - 80 Hz), dB: 0 ... + 12
Phase rotation, °: 0 - 180
RCA inputs and outputs
Remote level control
Power supply, V: 12
Fuse, A: 4 x 40
Dimensions, mm: 310 x 160 x 52