PAC – AP4-TY13 (Serialized)
AmpPRO Audio Integration Interface
For Select Toyota & Lexus Vehicles with 24-Pin + 30-Pin Factory Radio Connectors
DESCRIPTION
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Factory audio integration module that provides a clean, low-level pre-amp signal output from the OEM head unit.
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Designed for Toyota / Lexus systems that use 24-pin and 30-pin radio connectors.
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Allows addition of aftermarket amplifiers or DSP processing while retaining the factory radio and full OEM audio behaviors.
FEATURES
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Produces front and rear RCA pre-outs with stable, low-noise signal.
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No line output converter or signal summing required.
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Retains:
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Factory Bluetooth® audio
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Navigation / voice prompts
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Safety chimes and alerts
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Steering wheel audio control functionality
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Maintains OEM EQ, fader, balance, and volume control.
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Provides +12V remote amplifier turn-on signal output.
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Serialized version allows vehicle-specific firmware matching and validation.
FUNCTIONAL APPLICATIONS
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Add a subwoofer amplifier without replacing the radio.
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Feed a DSP for full system tuning, staging, and time alignment.
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Fully re-amplify front + rear speakers while maintaining the OEM dash interface.
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Suitable for stealth / OEM-look upgrades.
SPECIFICATIONS
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System Type: Factory radio integration interface
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Audio Output: Low-level RCA (Front L/R + Rear L/R)
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Output Voltage: Up to ~5V (varies by setup)
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Input Source: OEM head unit digital audio
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Trigger Output: +12V amplifier turn-on
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Compatible with 24-pin + 30-pin Toyota/Lexus OEM connector architecture
INSTALLATION NOTES
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Installs at the rear of the factory radio using plug-in connectors.
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Avoids cutting or splicing any OEM audio wiring.
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For systems with factory external amplifiers, bypass or re-amp configuration may apply.
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If planning full system re-amplification, pairing with PAC APH-TY## T-harness variants is recommended (optional).
FITMENT
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Select Toyota & Lexus models equipped with radios that use both 24-pin and 30-pin connectors.
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Common compatible applications (varies by trim/year):
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Toyota: Tacoma, Tundra, 4Runner, Highlander, RAV4, Camry
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Lexus: ES, GX, RX, IS
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Fitment verified by connector match — not screen size or speaker count.
INCLUDES
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AP4-TY13 Serialized Interface Module
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Plug-in vehicle harness
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Remote turn-on lead
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Setup / configuration reference card