Home > Side by Sides > Polaris > Pro S (2025+) > Stereos > SSV Works 2026-2027 Polaris RZR Pro R | 2027 Pro S and Pro XP Plug-&-Play 6-Speaker Factory Audio Upgrade Kit | UNPHASED-5

SSV Works 2026-2027 Polaris RZR Pro R | 2027 Pro S and Pro XP Plug-&-Play 6-Speaker Factory Audio Upgrade Kit | UNPHASED-5

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Part Number:260-RZ6-UNPHZD5-V

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Factory Amp Upgrade: Unlocks more of the factory 1500-watt, 8-channel amplifier by adding speakers where Polaris left channels unused.
Plug-&-Play Install: Uses factory audio wiring for a clean installation, with only the RGB wiring needing to be run.
6-Speaker System: Includes two tweeters and four 6.5-inch full-range speakers.
Double the Bass Output: Add the rear subwoofer to use the amp’s second 400-watt sub channel, effectively doubling subwoofer power. (compatible with the Pro R 4 Only)
Smart System Design: Retains the factory front subwoofer because replacing it on factory power adds cost, not performance.
Built exclusively for the 2026 Polaris RZR Pro R 4 Ultimate, UNPHASED-5 is designed around the factory 10-inch Ride Command system and 1500-watt, 8-channel amplifier. The big wattage number sounds impressive, but the factory setup only uses about half of that available power. With an unused second subwoofer channel, no front door speakers and cheap speakers from the factory, a large portion of the amp goes untouched. UNPHASED-5 changes that by upgrading the speakers and putting the factory amp to work the way it should have been from day one. The result is more output, fuller sound, and stronger bass, without the added cost of an aftermarket amplifier.
This kit keeps the factory front subwoofer in place because it already uses the amp’s 400-watt at 4-ohm sub channel. Swapping in an aftermarket front sub would still only receive the same 400 watts, adding cost without adding performance. For customers who want more low-end, the rear seat 10-inch subwoofer enclosure can be added to the order as a simple plug-&-play upgrade. It installs in about 20 minutes and uses the amp’s unused second subwoofer channel to double the bass output of the vehicle.
We back what we build with coverage no other powersports audio brands come close to. This kit, the enclosures and speakers / subwoofer are protected by our Limited Lifetime Warranty, so your audio kit is covered for the long haul.