Upgraded the sub in R1S with aftermarket Alpine SWR-T10 Subwoofer | Rivian Forum - R1T R1S R2 News, Specs, Models, RIVN Stock -- Rivianforums.com
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2) Alpine SWR-T10 10" 3600w Shallow Subwoofers + Mono Amplifier + Amp Wire Kit - Car Audio and Video | Audio Savings
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