Home / Alpine R-A90S R-Series 6/5/4/3 Channel Power Amplifier with Staggered Power
  • Alpine R-A90S R-Series 6/5/4/3 Channel Power Amplifier with Staggered Power
  • Alpine R-A90S R-Series 6/5/4/3 Channel Power Amplifier with Staggered Power
  • Alpine R-A90S R-Series 6/5/4/3 Channel Power Amplifier with Staggered Power
  • Alpine R-A90S R-Series 6/5/4/3 Channel Power Amplifier with Staggered Power
  • Alpine R-A90S R-Series 6/5/4/3 Channel Power Amplifier with Staggered Power
  • Alpine R-A90S R-Series 6/5/4/3 Channel Power Amplifier with Staggered Power
  • Alpine R-A90S R-Series 6/5/4/3 Channel Power Amplifier with Staggered Power

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

6-channel car amplifier, 75 watts RMS x 4 + 150 watts RMS x 2 at 4 ohms, 100 watts RMS x 4 + 250 watts RMS x 2 at 2 ohms, 200 watts RMS x 2 bridged at 4 ohms + 500 watts RMS x 1 bridged at 4 ohms
GTO (Great Turn On) signal-sensing turn-on with Ch1/2 speaker-level input
4-gauge power and ground
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  • Detail

    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.

    When looking to power a dual subwoofer configuration, the R-A90S’s 5th and 6th channels can be bridged to provide up to 500-watts at 4Ω.

    The R-A90S can effectively function as both a 3-way active amplifier and 5-channel amplifier by delivering the power where you need it.

    The R-A90S maintains an extremely low phase shift throughout the music spectrum, whichallows your music to stay faithful to the original recording.

    The R-A90S has dual post-filter feedback loops that correct signal distortion by making the output as close as possible to the original input.

    Dimensions12.75" x 10.75" x 2"Hi-Resolution Audio CompliantYes (40k Hz)Amplifier CircuitClass D4 Ohm Power Output75W x 4 + 150W x 2 (4Ω, 14.4V, < 1% THD +N)2 Ohm Power Output100W x 4 + 250W x 2 (2Ω, 14.4V, < 1% THD +N) Bridged 4 Ohm Power Output200W x 2 + 500W x 1 (4Ω, 14.4V, < 1% THD +N)S/N Ratio> 85dB (ref. 1W into 4Ω) THD + N< 0.03% (ref. 10W into 4Ω)Frequency response10-45kHz (0/-3dB)Damping factor> 500

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

    STAGGERED 6 CHANNEL POWER

    AN AMP THE GROWS WITH YOU

    ACCURATE SOUND REPRODUCTION

    ALPINE EXCLUSIVE TECHNOLOGY

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