PAC - AP4-TY12 - ***Serialized*** AmpPRO for Select Toyota and Lexus vehicles with 28-pin 10-pin and 6-pin connectors Audio Output interface for vehicles

PAC – AP4-TY12 (Serialized)

AmpPRO Audio Integration Interface
For Select Toyota & Lexus Vehicles with 28-Pin, 10-Pin, and 6-Pin Factory Radio Connectors

DESCRIPTION

• OEM integration module that provides a clean low-level pre-amp signal from the factory radio while preserving full OEM system functionality.

• Designed for Toyota and Lexus platforms using the 28-pin + 10-pin + 6-pin radio connector layout.

• Allows addition of amplifiers or DSP processors without removing or replacing the OEM infotainment system.

• Serialized model enables firmware matching to maintain compatibility across multiple model years / system software versions.

FEATURES

• Outputs Front + Rear low-level RCA audio with proper base signal level.

• Retains:

  • Bluetooth® audio and phone

  • Navigation voice prompts

  • Safety chimes and warning tones

  • Factory steering wheel audio controls

  • Fade / Balance / Bass / Treble adjustments

• Does not require line output converters, summing devices, or speaker signal cuts.

• Provides +12V amp turn-on trigger output.

FUNCTIONAL APPLICATIONS

• Add a subwoofer amplifier while keeping the stock radio.

• Feed a DSP for full tuning, staging, and time alignment improvements.

• Fully re-amplify front and rear speakers for better clarity and output.

• Ideal for OEM-appearance, stealth upgrade, or dealer-safe installs.

SPECIFICATIONS

• Signal Output: Low-level RCA (Front L/R + Rear L/R)

• Maximum Output Voltage: Up to ~5V (configuration dependent)

• Source Input: Factory radio digital audio

• Trigger Output: +12V remote amp turn-on

• System Support: Base and standard amplified Toyota / Lexus systems

• Not intended for factory systems using premium fiber/MOST platforms (model dependent).

INSTALLATION NOTES

• Installs behind the factory radio using the 28-pin, 10-pin, and 6-pin plug-in connectors.

• No factory wiring cuts required — fully reversible installation.

• If pairing with aftermarket DSP, set DSP inputs to high-level or low-level based on setup.

• For complete system re-amp, pair with appropriate APH-TY## T-Harness (optional).

FITMENT

• Fits select Toyota & Lexus vehicles equipped with the matching OEM radio connector set.

• Common platforms (varies by trim/year):

  • Toyota: Tacoma, Tundra, 4Runner, RAV4, Highlander, Camry, Corolla

  • Lexus: ES, GX, RX, IS

• Fitment is confirmed by verifying connector layout, not screen size or speaker count.

INCLUDES

• AP4-TY12 (Serialized) Interface Module

• Vehicle radio connector harness

• Remote turn-on lead

• Setup / configuration reference card