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.
6-Channel Amp with 5-Channel Power – With double the power on the last two channels, the R-A90S’s 5th and 6th channels can be bridged to provide up to 500-watts at 4Ω to a subwoofer system such as a pair of S-SB12Vs.
An Amp that Grows with You – When you’re ready to upgrade your Alpine system, use the R-A90S to amplify a 3-way active system with enough mid-bass power to create the up-front bass impact you crave.
Accurate Sound Reproduction – With incredibly low phase shift and hi-resolution frequency response, the R-A90S can reproduce sound with incredible accuracy that stays true to the artist’s intention.
Dimensions: 12.75″ x 10.75″ x 2″
Hi-Resolution Audio Compliant (40k Hz)
Alpine’s Class D Amplifier Circuit
75W x 4 + 150W x 2 (4Ω, 14.4V, < 1% THD +N)
100W x 4 + 250W x 2 (2Ω, 14.4V, < 1% THD +N)
Bridged: 200W x 2 + 500W x 1 (4Ω, 14.4V, < 1% THD +N) S/N > 85dB (ref. 1W into 4Ω)
THD + N < 0.03% (ref. 10W into 4Ω) Frequency response: 10-45kHz (0/-3dB) Damping factor > 500