Ashly TRA-4075 4-Channel 75W Class D Power Amplifier / 25V 70V 100V Outputs / Convection Cooled. Manufacturer: Ashly. TRA Models 2075, 4075, 2150, 4150. 70V (per channel) 75W, 75W, 150W, 150W. 25V (per channel) 751V, 75W, 150W, 1501V.
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