The Axxess AXDIS-PO42 is a premium MOST25® radio replacement data interface engineered specifically for select Porsche vehicles equipped with factory amplified audio systems. Designed to retain critical OEM functionality when installing an aftermarket radio, the AXDIS-PO42 preserves steering wheel controls, factory amplifier integration, retained accessory power, and navigation outputs while simplifying integration into Porsche MOST25 fiber-optic systems. It’s especially popular for Porsche Cayenne, 911, Boxster, and Cayman multimedia upgrades using modern Apple CarPlay® and Android Auto™ receivers. Main Features Designed for MOST25® amplified Porsche systems Retains factory amplifier integration Retains steering wheel audio controls Provides accessory 12V 10-amp output Retains R.A.P. (Retained Accessory Power) Provides NAV outputs: Parking brake Reverse trigger Speed sense Built-in steering wheel control interface DIP-switch SWC configuration Retains audio balance Micro-B USB firmware updatable Compatible with aftermarket multimedia radios Designed for PCM 3.0 touchscreen NAV systems Specs Specification Details Product Type MOST25® Data Interface Factory Amp Retention Yes Steering Wheel Control Retention Yes Accessory Power Output 12V / 10A USB Firmware Updatable Yes MOST25 Fiber Support Yes Navigation Outputs Reverse / Parking Brake / Speed Sense Backup Camera Retention No Interface Type Vehicle-Specific Warranty 1-Year Limited Compatible Vehicles The AXDIS-PO42 is commonly used with: 2008–2010 Porsche Cayenne 2009–2012 Porsche 911 2007–2010 Porsche Boxster 2007–2010 Porsche Cayman Select 2010 Porsche Panamera applications Vehicle compatibility varies depending on PCM version and factory MOST25 audio configuration Installation Notes Professional installation is strongly recommended because: Porsche MOST25 fiber systems are complex Fiber-optic handling requires care PCM system compatibility matters heavily Factory amplifier configuration varies by trim Some installs may require fiber bypass loops
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