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Contact Supplierthis is a pure power amplifier board.
the sensitivity of the input signal is 1.5v rms, if your input signal voltage can't reach this value, recommend adding preamp.
mono channel, for 2.0 channels needs two boards.
the rated output power: 1000w ( /- 75v power supply, 2 ohm load) efficiency:≥ 90%
the total harmonic distortion: 1000w ( /- 75 power 2-ohm speaker, distortion less than 1%)
frequency range: 20hz-20khz
speaker: 2-4-8ohm
voltage magnification: 32 times
voltage magnification gain: 30db
input sensitivity 1.5v (rms)
recommended power supply /-75v
recommended 4-8ohm / 10-18inch speaker