Alpine R-A90S Black R-A90S - Best Buy

Experience your music in Hi-Res with the versatile R-A90S 6-Channel Amplifier for hair-raising details that puts you in the center of the performance. The R-A90S features a staggered power channel layout that allows each channel to host different levels of power, compared to traditional, multi-channel amplifiers. This allows the R-A90S to effectively function as both a 3-way active amplifier and a 5-channel amplifier by delivering the power you need to the channels where you need it the most. Hear the subtle details you’ve been missing in your music with the R-A90S. With the highest power output in its category, the R-A90S drives power to your sound system to create a big dynamic music range for the listener, reproducing high-frequency sounds up to 45k Hz, making the R-A90S Hi-Res Audio Compliant. Alpine’s R-Series line of speakers, subwoofers, and amplifiers have a heritage of sound quality that can be heard from a block away. The R-A90S is tuned to emphasize the characteristics of the R-Series speakers and subwoofers for a legendary R-Series experience. Technical Specifications - Hi-Resolution Audio Compliant (40k Hz) CTA-2006 Alpine’s Class D Amplifier Circuit 75W x 4 + 150W x 2 (4Ω, 14.4V, Less Than 1% THD +N) 100W x 4 + 250W x 2 (2Ω, 14.4V, Less Than 1% THD +N) Bridged: 200W x 2 + 500W x 1 (4Ω, 14.4V, Less Than 1% THD +N) S/N Greater Than 85dB (ref. 1W into 4Ω) THD + N Less Than 0.03% (ref. 10W into 4Ω) Frequency response: 10-45kHz (0/-3dB) Damping factor Greater Than 500