CES 2020: Alpine R-A90S 6-channel car amplifier | Crutchfield

Alpine's R-A90S is kind of a "do-it-all" amp that lets you configure your system how you want it. It offers 6 channels of power that you can tap into no matter what system you plan to install.

The most popular configuration is 4 channels to run the ront and rear speakers with the other two running subs. The first four channels offer 75 watts RMS at 4 ohms, so they'll comfortably drive even the most power-hungry speakers. The sub channels give you 250 watts RMS at 2 ohms, or 150 watts at 4 ohms, so your bass will be able to keep up. You can also bridge those channels for 500 watts RMS at 4 ohms.

Or you could use the R-A90S to power a pair of three-way component speakers. In that scenario, you could use the first four channels to power the midrange driver and tweeter, with the sub channels powering the woofer. For a compact amp, the R-A90S packs plenty of power and can help you consolidate when you are planning a car audio system.

[PercyTentboxTravels]

Hi have recently just bought Alpine type R 6.5 speakers with tweeters with 6.9 speakers I have also got this new Alpine 6 channel amplifier. What's my best option for Alpine subwoofer type R 2x 10" or 1x 12" ? It's to go all inside my classic austin mini clubman estate. Thanks

[phoenixrising]

Have a 2016 es350 with 8 speakers that aren't Mark Levinson... It's pretty crap even with bass maxed.. would this amp power all 8 speakers?

[jorgeplaza]

Wow! 6 channels! Can I use channel 5 & 6 for a pair of subs?

[Lsi]

This amp is shit why would you make it 75 watts per speaker when the r series are 100. Then what was it 220 watts for a sub? Ridiculous