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Peripheral TJA

Radio Replacement Interface for Select Toyota JBL Amplified Systems

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This item has been discontinued

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Peripheral TJA

Radio Replacement Interface for Select Toyota JBL Amplified Systems


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The Peripheral TJA is a JBL Amplifier turn-on interface for select late model Toyota vehicles. This interface is designed to retain all the functions of the JBL amplified systems when the factory radio is removed and replaced with an aftermarket radio for improved sound quality. When connecting an aftermarket radio with 4 Channel RCA outputs, the TJA will retain all original balance, and fade functions through the OEM amplifier. The interface can easily be installed behind the radio and provides direct connectivity to the to the factory JBL amplified systems including the Synthesis 5.1 and 7.1 Channel surround sound systems.

Product Features:
  • Radio Replacement Interface for Select Toyota JBL Amplified Systems
  • Integrates an aftermarket radio into any level JBL Audio system including Synthesis
  • Turns on JBL Factory amplifier allowing the factory radio to be replaced with aftermarket unit
  • Retains balance and fade capabilities of the JBL Amplifiers
Vehicle Compatibility:
  • Recommended use with a 4 volt RMS output capable aftermarket radio
  • When installing the TJA it is recommended that you start at the maximum dB Gain settings via dip switches (7dB gain)
  • Compatible with both JBL and JBL Synthesis amplified systems
  • To determine if the vehicle is JBL or JBL Synthesis the radio being replaced will display "JBL" or "JBL Synthesis" on the front of the radio
  • Authorized Internet Dealer
  • 1-year Manufacturer's warranty

Installation Kit Specifications

Compatible Stereo Size
This is the DIN size(s) that the installation kit is designed for. Single DIN means that the kit is compatible with the installation of single DIN stereos. Double DIN means that the kit is compatible with the installation of Double DIN stereos. Some installation kits are only compatible with one DIN size, while other kits are compatible with both sizes. Typically the kits that are compatible with both DIN sizes include a pocket for the Single DIN installation.
Dash Kit Color
This is the color of the installation kit. If a unique finish is specified by the manufacturer, than it will also be listed here.
Primary Color
This is the main color of the item.
Compatible Vehicle Make and Model
The model of vehicle that this vehicle specific product is designed for. Please keep in mind that engine variations can affect the compatibility of the products.

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Warranty and Return Policy

Parts Warranty Duration
1 year
Labor Warranty Duration
1 year
Warranty Provider

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Sonic Electronix Wiring Guide

Wiring Diagram Legend

Warning: The image depicted shows the resistance change when wiring multiple subwoofer terminals. Please refer to your subwoofer's owner's manual for the proper wiring of its terminals. Sonic Electronix, Inc. is not responsible for damage caused to your audio system or vehicle due to improper installation. Please call tech support at 1-877-289-7664 if you require additional assistance.

Product Name: Peripheral TJA