• JL Audio SB-POL-RZG2R/10TW3 10" Stealthbox 400W 4Ω Polaris RZR 010-03994-00 (94631)
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JL Audio

JL Audio SB-POL-RZG2R/10TW3 10" Stealthbox 400W 4Ω Polaris RZR 010-03994-00 (94631)

JL Audio SB-POL-RZG2R/10TW3 10" Stealthbox 400W 4Ω Polaris RZR 010-03994-00 (94631)

$1,149.99 USD
$1,149.99 USD
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Before you order

Buy with the right details confirmed

Vehicle fitment must match

Confirm your exact year, model, factory equipment, and any required companion parts before ordering.

Check your vehicle in the MCOR Fit Guide

JL Audio SB-POL-RZG2R/10TW3 is a vehicle-specific Stealthbox subwoofer system engineered for 2014-up Polaris RZR models. This sealed fiberglass enclosure mounts behind the rear firewall and houses a single JL Audio 10TW3-D4 10" subwoofer, delivering deep, accurate bass without sacrificing critical cabin or cargo space.

This Stealthbox is rated for 400 W RMS into a 4 Ω load and is optimized for clean monoblock amplification in demanding off-road and powersports environments.

Key Features

  • Custom-fit Stealthbox enclosure for select Polaris RZR models
  • Single JL Audio 10TW3-D4 10" thin-line subwoofer
  • 400 W RMS power handling at 4 Ω
  • Sealed fiberglass construction for tight, controlled bass
  • Mounts behind the rear firewall to preserve cockpit space

Vehicle Compatibility

Year Make Model Notes
2014 Polaris RZR 4 900 Behind rear firewall; verify RZR chassis before ordering.
2015 Polaris RZR 4 900 Behind rear firewall; verify RZR chassis before ordering.
2016 Polaris RZR 4 900 Behind rear firewall; verify RZR chassis before ordering.
2017 Polaris RZR 4 900 Behind rear firewall; verify RZR chassis before ordering.
2018 Polaris RZR 4 900 Behind rear firewall; verify RZR chassis before ordering.
2019 Polaris RZR 4 900 Behind rear firewall; verify RZR chassis before ordering.
2020 Polaris RZR 4 900 Behind rear firewall; verify RZR chassis before ordering.
2021 Polaris RZR 4 900 Behind rear firewall; verify RZR chassis before ordering.
2022 Polaris RZR 4 900 Behind rear firewall; verify RZR chassis before ordering.
2023 Polaris RZR 4 900 Behind rear firewall; verify RZR chassis before ordering.
2024 Polaris RZR 4 900 Behind rear firewall; verify RZR chassis before ordering.
2025 Polaris RZR 4 900 Behind rear firewall; verify RZR chassis before ordering.
2026 Polaris RZR 4 900 Behind rear firewall; verify RZR chassis before ordering.
2014 Polaris RZR 900 XC Behind rear firewall; verify RZR chassis before ordering.
2015 Polaris RZR 900 XC Behind rear firewall; verify RZR chassis before ordering.
2016 Polaris RZR 900 XC Behind rear firewall; verify RZR chassis before ordering.
2017 Polaris RZR 900 XC Behind rear firewall; verify RZR chassis before ordering.
2018 Polaris RZR 900 XC Behind rear firewall; verify RZR chassis before ordering.
2019 Polaris RZR 900 XC Behind rear firewall; verify RZR chassis before ordering.
2020 Polaris RZR 900 XC Behind rear firewall; verify RZR chassis before ordering.
2021 Polaris RZR 900 XC Behind rear firewall; verify RZR chassis before ordering.
2022 Polaris RZR 900 XC Behind rear firewall; verify RZR chassis before ordering.
2023 Polaris RZR 900 XC Behind rear firewall; verify RZR chassis before ordering.
2024 Polaris RZR 900 XC Behind rear firewall; verify RZR chassis before ordering.
2025 Polaris RZR 900 XC Behind rear firewall; verify RZR chassis before ordering.
2026 Polaris RZR 900 XC Behind rear firewall; verify RZR chassis before ordering.
2014 Polaris RZR XP 1000 Behind rear firewall; verify RZR chassis before ordering.
2015 Polaris RZR XP 1000 Behind rear firewall; verify RZR chassis before ordering.
2016 Polaris RZR XP 1000 Behind rear firewall; verify RZR chassis before ordering.
2017 Polaris RZR XP 1000 Behind rear firewall; verify RZR chassis before ordering.
2018 Polaris RZR XP 1000 Behind rear firewall; verify RZR chassis before ordering.
2019 Polaris RZR XP 1000 Behind rear firewall; verify RZR chassis before ordering.
2020 Polaris RZR XP 1000 Behind rear firewall; verify RZR chassis before ordering.
2021 Polaris RZR XP 1000 Behind rear firewall; verify RZR chassis before ordering.
2022 Polaris RZR XP 1000 Behind rear firewall; verify RZR chassis before ordering.
2023 Polaris RZR XP 1000 Behind rear firewall; verify RZR chassis before ordering.
2024 Polaris RZR XP 1000 Behind rear firewall; verify RZR chassis before ordering.
2025 Polaris RZR XP 1000 Behind rear firewall; verify RZR chassis before ordering.
2026 Polaris RZR XP 1000 Behind rear firewall; verify RZR chassis before ordering.
2014 Polaris RZR XP 4 1000 Behind rear firewall; verify RZR chassis before ordering.
2015 Polaris RZR XP 4 1000 Behind rear firewall; verify RZR chassis before ordering.
2016 Polaris RZR XP 4 1000 Behind rear firewall; verify RZR chassis before ordering.
2017 Polaris RZR XP 4 1000 Behind rear firewall; verify RZR chassis before ordering.
2018 Polaris RZR XP 4 1000 Behind rear firewall; verify RZR chassis before ordering.
2019 Polaris RZR XP 4 1000 Behind rear firewall; verify RZR chassis before ordering.
2020 Polaris RZR XP 4 1000 Behind rear firewall; verify RZR chassis before ordering.
2021 Polaris RZR XP 4 1000 Behind rear firewall; verify RZR chassis before ordering.
2022 Polaris RZR XP 4 1000 Behind rear firewall; verify RZR chassis before ordering.
2023 Polaris RZR XP 4 1000 Behind rear firewall; verify RZR chassis before ordering.
2024 Polaris RZR XP 4 1000 Behind rear firewall; verify RZR chassis before ordering.
2025 Polaris RZR XP 4 1000 Behind rear firewall; verify RZR chassis before ordering.
2026 Polaris RZR XP 4 1000 Behind rear firewall; verify RZR chassis before ordering.

2024 Polaris RZR 4 900, Polaris RZR 900 XC, Polaris RZR XP 1000 & Polaris RZR XP 4 1000 JL Audio Stealthbox Subwoofer Upgrade

This compatibility table lists exact year, make, and model applications for the SB-POL-RZG2R/10TW3. It is built so shoppers and AI shopping tools can match vehicle-specific JL Audio Stealthbox fitment without relying only on broad “up” year ranges. Always verify trim, factory audio configuration, seat/cargo layout, and installation location before ordering.

Recommended Amplifier Matching (Sold Separately)

For best performance, pair this Stealthbox with a JL Audio monoblock amplifier capable of delivering clean power into a 4 Ω load:

Technical Specifications

Model SB-POL-RZG2R/10TW3
Garmin PN 010-03994-00
JL Legacy PN 94631
Subwoofer 10TW3-D4
Subwoofer Size 10" (250 mm)
Continuous Power (RMS) 400 W
Nominal Impedance 4 Ω
Enclosure Type Sealed, fiberglass
Enclosure Location Behind rear firewall
Vehicle Fitment 2014-up Polaris RZR 900 XC, RZR 4 900, RZR XP 1000, RZR XP 4 1000
Warranty 2 Years (when purchased from an authorized JL Audio dealer)

Ideal Applications

  • Powersports and side-by-side audio upgrades
  • Off-road and trail-focused systems needing strong low-end
  • OEM-plus RZR builds where space is at a premium

What’s Included

  • JL Audio Stealthbox sealed enclosure
  • 10TW3-D4 subwoofer pre-installed
  • Vehicle-specific mounting hardware
  • Installation documentation

Frequently Asked Questions

  • Will this fit a 2024 Polaris RZR 4 900? Yes. The compatibility table above lists 2024 Polaris RZR 4 900 as a fitment for this JL Audio Stealthbox. Verify trim, factory audio configuration, seat/cargo layout, and installation location before ordering.
  • What amplifier should I use with this Stealthbox? Use the Recommended Amplifier Matching section above and match the amplifier to 400 W RMS at 4 Ω. Gain setting and tuning matter.
  • Is this a complete audio system? No. This listing is for the vehicle-specific SB-POL-RZG2R/10TW3 Stealthbox subwoofer system. A complete installation may require an amplifier, power wiring, signal integration, tuning, and installation accessories.

Why Buy From MCOR Automotive

  • Authorized JL Audio / Garmin dealer
  • Verified Polaris RZR Stealthbox fitment
  • Real-world powersports installation experience
  • Support for amp matching and system design

Stealthbox Fitment & Return Policy

Stealthbox products are vehicle-specific and non-returnable. Customers should verify fitment before ordering. If unsure, use our Fit Guide or contact us through the chat button before purchase.

Authorized Retailer & Warranty

MCOR Automotive is an authorized JL Audio / Garmin retailer. Products purchased from MCOR include applicable manufacturer warranty coverage when installed and used according to manufacturer guidelines.

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