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Alpine R-A90S R-Series 6/5/4/3 Channel Power Amplifier with staggered power - Open Box

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 handle different power levels, compared to traditional multi-channel amplifiers. This allows the R-A90S to function as both a 3-way active amplifier and a 5-channel amplifier, delivering the power you need to the channels where you need it 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 an enormous 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 has 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 (40 kHz)
• 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