Alpine Plug & Play 4-Channel Amp & Powered Subwoofer Kit | '10 - '24 4Runner

Ready for your 4Runner!

2010-2024 4Runner Installation Guide

Well, you've been asking and we got it done ... a truly Plug & Play Amplifier and Subwoofer upgrade complete with a Alpine KTP-445U 4-Channel Amplifier and PWE-S8 8-inch powered subwoofer (mounts under passenger seat with included bracket) for your non-amplified 2010 - 2024 Toyota 4Runner that works with your factory head unit or any aftermarket head unit! Our R&D team has been cranking all cylinders to deliver an easy to install, truly plug and play solution so 4Runner folks can add power to their system at a fraction of the cost you'd pay a professional to get this done for you.

This kit is only compatible with non-amplified 2010 - 2024 Toyota 4Runner's.

This kit is plug & play with Trail Grid Pro's Alpine & Sony head unit bundles or any aftermarket radio with RCA speaker and/or sub outs or with 4Runner factory head units.

JBL Amplified or Non-JBL Amplified?

If your door speakers have a JBL logo on them, then you have a JBL amplified system.

If your door speakers do not have a JBL logo, then you do not have a JBL amplified system.

What’s In The Plug & Play Bundle?

We’ve taken all the guess work out of adding an amplifier in your 2010 - 2024 Toyota 4Runner. We’ve partnered with some of the biggest and most reliable names in mobile electronics to bring you a high-end, super-reliable audio system — that’s packed with a 1-year no-questions-asked warranty on manufacturer defect. All of our bundles are pre-wired and ready to install prior to shipping from our Frederick, Maryland shop. When you get your bundle, it’s all ready to drop in your truck! Here’s what you can expect to be in your Alpine PSU300-FRN Kit from Trail Grid Pro:

• Alpine KTP-445U 4-Channel Amplifier.
• Alpine PWE-S8 powered subwoofer.
• 4Runner specific amplifier and subwoofer under passenger seat mounting bracket.
• Alpine bass control knob.
• Plug & Play wiring harness utilizes factory speaker wiring to amplify speakers!
• Plug & play radio connectors will be pre-wired, soldered and shrink-wrapped to achieve a professional finish prior to shipping for ease of installation.
• Plug & play harnesses are built with enough length to store the 4-Channel Amplifier and Subwoofer under the front passenger seat. 
• All fork terminals, wire ferrules and ring terminals will be pre-attached to applicable locations on the harnesses for a plug and play installation.
• 10x zip ties and 1x 10mm bolt.

Interested in our Alpine Amp & Sub bundle for your Toyota 4Runner but have a question first? Simply complete the form below and we’ll get back to you promptly!