Alpine R-A90S 6 / 5 / 4 / 3 Channel Power Amplifier

The Alpine R-A90S 6/5/4/3 Channel Power Amplifier provides dynamic audio performance, boasting Dolby Digital decoding, up to 90 watts of power per channel, and improved bass response. This amplifier provides a remarkable listening experience perfect for home theaters. Overview Hi-Resolution audio compliant CTA-2006 Alpine’s class D amplifier circuit 75W x 4 + 150W x 2 (4?, 14.4 V, = 1% THD+N) 100W x 4 + 250W x 2 (2?, 14.4V, = 1% THD+N) Bridged: 200W x 2 + 500W x 1 (4?, 14.4V, = 1% THD+N) S/N > 85 dB (ref. 1 W into 4?) THD + N = 0.03% (ref. 10 W into 4?) Frequency response: 10-45 kHz (0/-3 dB) Damping factor > 500