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Digital Power Amplifier Board, 20Hz-20KHz 500W PCB 4-8 Ohm Professional Digital Stereo Power Amp Module  for Subwoofer Speaker

<ul><li>Professional Manufacturing: It is a 500W class D sound , mainly in home theater and with speakers</li><li>Circuit Optimization: Single channel class d sound board adopts circuit optimization and adds speaker relay</li><li>Unique Design: Digital board: can turn on the delay, turn off the instantaneous break, effectively solve the switch on and off the shock sound</li></ul>

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Specification: Item Type: Digital Power Board Material: PCB Power Plate Size: Approx. 105x43x28mm / 4.13x1.69x1.10in Supply Voltage: Power Supply ± 45 - ± 70V Recommended +-65V Power Supply Can Be Rated Output Power: 500W ±65V Power Supply 4 Ohm Load, Distortion 1% Efficiency: &gt;= 90% SNR: 90db Total Harmonic Distortion: 380W ±70 Powered 4 Ohm Speaker, Distortion &lt;0.1% 280W ±70 Powered 8 Ohm Speaker, Distortion &lt;0.1% Frequency Response Range: 20Hz-20KHz Horn: 4-8 Ohm Voltage Amplification: 50 Times Input Sensitivity 1V RMS Output Bias I.E. Horn : Yes Package List: 1 x Digital Power Board Note: Please allow some error in manual measurement.

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