The Beat-Sonic EAZ-C02 is a plug-and-play power harness that lets you power a new active subwoofer directly from your Toyota or Lexus power seat connector - no firewall routing, no running wire to the battery terminal, and no permanent modifications to your vehicle. Clean, simple, and fully reversible.

Professional local installation available in La Mirada, Southern California. Contact us at info@beatsonicusa.com to book.

Why this harness makes adding a subwoofer so much easier

Traditionally, powering an aftermarket subwoofer meant routing a power cable from the battery through the firewall - a time-consuming process that risks damage to factory wiring and requires drilling or finding existing grommets. The EAZ-C02 eliminates all of that. It taps into the existing power seat connector under your seat, which already carries a clean 12V power supply, and provides a fused, plug-and-play power connection for your active subwoofer or amplifier right where you need it.

Key features

No firewall routing required - powers your subwoofer directly from the factory power seat connector
Plug-and-play installation - OEM-grade connectors, no cutting, no modifications
Compatible with active subwoofers and amplifiers with high-level inputs
20A ATO blade-type fuse included - protects your vehicle's electrical system
16 AWG wire for 12V battery and ground connections
800mm (31-inch) cable length from T-harness - plenty of reach for under-seat subwoofer placement
Maximum continuous power: 280W at 14V
High-quality OEM-grade connectors for a secure, reliable connection

What's included

1 x EAZ-C02 wiring harness set

General specifications

Wire gauge: 16 AWG (12V battery and ground)
Cable length from T-harness: approx. 800mm (31 inches)
Fuse: 20A ATO blade-type
Maximum continuous power: 280W at 14V

Compatible vehicles

The EAZ-C02 is compatible with the following Toyota and Lexus models equipped with power seats:

Toyota models with power seats

2013-2026 Toyota 4Runner
2013-2022 Toyota Avalon
2015-2026 Toyota Camry
2014-2026 Toyota Corolla (driver's side only)
2022-2026 Toyota Corolla Cross (driver's side only)
2023-2026 Toyota Corolla Hatchback (driver's side only)
2018-2025 Toyota C-HR (driver's side only)
2023-2026 Toyota Crown
2025-2026 Toyota Crown Signia
2023-2026 Toyota GR Corolla (driver's side only)
2020-2026 Toyota Highlander including HV
2024-2026 Toyota Grand Highlander
2018-2025 Toyota Hilux (driver's side only)
2024-2027 Toyota Land Cruiser
2015-2022 Toyota Land Cruiser
2016-2026 Toyota Mirai
2016-2026 Toyota Prius (driver's side only)
2017-2026 Toyota Prius Prime (driver's side only)
2016-2025 Toyota RAV4
2023-2026 Toyota Sequoia HV
2021-2026 Toyota Sienna HV
2020-2026 Toyota Tacoma
2014-2026 Toyota Tundra
2021-2025 Toyota Venza

Lexus models

2015-2017 Lexus CT 200h
2007-2025 Lexus ES 250 / ES 300h / ES 350
2016-2020 Lexus GS-F
2010-2023 Lexus GX 460
2024-2025 Lexus GX 550
2014-2025 Lexus IS 300 / IS 350 / IS 500
2018-2025 Lexus LC 500 / LC 500C
2022-2025 Lexus LX 600
2018-2025 Lexus NX 250 / NX 300 / NX 300h / NX 350 / NX 350h / NX 450h+
2015-2025 Lexus RC 200t / RC 300 / RC 350 / RC-F
2023-2025 Lexus RX 350 / RX 350h / RX 450h / RX 500h
2023-2025 Lexus RZ 300E / RZ 450h
2024-2025 Lexus TX 350 / TX 500h / TX 500h+
2019-2025 Lexus UX 200 / UX 250h / UX 300h

Note: Several Toyota models are driver's side only - see individual model notes above. Not sure if this fits your specific vehicle? Email info@beatsonicusa.com with your year, model, and trim before purchasing.

Frequently asked questions

Do I still need to run a wire to the battery?
No. The EAZ-C02 taps into your factory power seat connector, which already carries a 12V power supply. No firewall routing and no battery terminal connection required.

What type of subwoofer is this compatible with?
The EAZ-C02 is compatible with active (powered) subwoofers and amplifiers with high-level inputs. Maximum continuous power supported is 280W at 14V.

My Toyota model says driver's side only - what does that mean?
On those models, the power seat connector on the driver's side is compatible with this harness but the passenger side is not. The harness will work for powering a subwoofer placed under or near the driver's seat.

Is this fully reversible?
Yes. The EAZ-C02 uses OEM-grade plug-and-play connectors. It can be removed at any time with no permanent changes to your vehicle.

Does this ship to Canada or internationally?
Yes. We ship to Canada and Mexico.

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Toyota Vehicle Upgrades

Plug & Play Power Seat Cable Harness for Active Subwoofer - Toyota & Lexus | Beat-Sonic EAZ-C02

$34.00 USD

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