Upgrade your factory Porsche PCM 3.0 infotainment system with MR12volt, adding Wireless Apple CarPlay and Android Auto while preserving full OEM functionality.
Designed for vehicles equipped with Porsche PCM 3.0 and the MOST fiber optic audio system, this interface integrates directly with the factory screen, controls, and amplifier through the digital MOST network.
✔ Full factory sound quality
✔ Seamless OEM integration
Compatible with Porsche vehicles equipped with PCM 3.0 systems and Base or BOSE sound systems
• Porsche 911 (997.2) — 2009–2012
• Porsche Boxster / Cayman (987.2) — 2009–2012
• Porsche Cayenne (957) — 2009–2010
• Porsche Panamera (970) — 2009–2012
• If a factory TV module is present, it must be bypassed at the TV module itself using the supplied optical loop connector (included in the package)
• No coding required — MR12volt automatically activates the TV menu after installation, even if the vehicle does not have a factory TV module
• Professional installation recommended
Unlike AUX-based CarPlay interfaces that rely on analog audio input, MR12volt integrates directly through the MOST fiber optic network, maintaining the integrity of the factory digital audio path.
• Use analog signal transmission
• May reduce sound clarity
• Can introduce signal delay
✔ No AUX required
✔ Direct digital audio transmission
✔ No analog conversion
✔ Preserves factory sound quality
✔ Compatible with Porsche Base and BOSE sound systems
✔ Works with the factory amplifier
Designed to deliver true OEM-level audio performance.
MR12volt is accessed through the factory TV menu.
• Select TV in the PCM interface to launch the MR12volt system
• MR12volt simulates the factory TV module
• Once launched, Apple CarPlay and Android Auto are controlled through the Porsche touchscreen interface
• Wireless Apple CarPlay & Android Auto
• Wired Apple CarPlay & Android Auto
• Wireless MirrorLink (Android – CarLetter required)
Access navigation, Spotify, Apple Music, Waze, Google Maps, WhatsApp and hands-free calling directly on your factory display.
• Reverse camera input
• Front camera input
• Left / Right blind spot camera input
• Supports aftermarket cameras up to AHD 1080P
• USB video and music playback
MR12volt preserves the functionality of the original vehicle system, including:
• OEM microphone
• Factory parking sensor display
• Steering wheel controls
• Factory display integration
Switch seamlessly between the original PCM interface and Apple CarPlay / Android Auto.
• 15-band DSP equalizer
• Independent navigation / media / microphone volume control
• Apple Lossless audio support
• Enhanced Bluetooth call clarity
• Bluetooth audio streaming
Optimized for Porsche factory audio systems.
Does this require AUX?
No. MR12volt integrates directly through the MOST fiber optic system.
Does it work with BOSE sound systems?
Yes. Fully compatible with Porsche BOSE audio systems.
How do I access MR12volt in Porsche PCM 3.0?
• Open the TV menu in the PCM interface
• Select TV to launch the MR12volt system
Does it retain factory cameras?
Yes. Reverse camera and aftermarket camera inputs are supported.
Is this a full head unit replacement?
No. MR12volt is a retrofit interface that integrates with the original PCM system while preserving the factory hardware.
What back camera is recommended for MR12volt?
MR12volt supports any aftermarket rear camera up to AHD 1080P resolution.
• USB firmware upgrade supported
• Ongoing compatibility updates