ATA Series 4-Channel Class AB Car Amplifier. Bridged, 4 ohms: 500 watts x 2 chan. Max power output: 500 watts x 2 chan. 4 ohms: 125 watts x 4 chan. 2 ohms: 250 watts x 4 chan. Variable high-pass filter (60-1,200 Hz, 24 dB/octave).
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