I am an official reseller for Mr12volt - The product will come with a 1 year warranty
I have a vast array of knowledge on these products and have my contact at Mr12volt on hand for support if needed.
I also have fitters available all over the UK
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Range Rover Sport L320 / Discovery 4 / LR4 Wireless CarPlay Android Auto MOST Interface
Model: P3000-L320
Direct MOST Fiber Integration – No AUX
Upgrade your factory Range Rover or Land Rover system with MR12volt, adding Wireless Apple CarPlay and Android Auto while keeping full OEM functionality.
Designed for vehicles equipped with the MOST fiber optic audio system, this interface integrates directly with the factory screen, controller, and amplifier through the digital MOST network.
✔ Full factory sound quality
✔ Full OEM operation
Compatible Vehicles
Compatible with vehicles equipped with MOST fiber optic audio system
• Range Rover Sport L320 (2009–2011)
• Discovery 4 / LR4 (2009–2011)
⚠ Important Installation Notes
• Vehicle must have factory MOST fiber optic audio system
• Factory USB module must be disabled during installation — optical bypass connector included in the package
• MR12volt replaces the factory USB module
• Professional installation recommended
Direct Digital MOST Integration
Unlike AUX-based CarPlay interfaces that rely on analog audio input, MR12volt integrates digitally through the MOST fiber optic network, delivering true OEM-level sound quality.
AUX-based CarPlay solutions
• Use analog audio transmission
• May reduce sound clarity
• Can introduce signal delay
MR12volt MOST integration
✔ No AUX required
✔ Direct digital audio path
✔ No analog conversion
✔ Maintains factory sound quality
✔ Compatible with Base and Harman Kardon Logic 7 sound systems
✔ Works with factory amplifier
Designed to preserve OEM audio performance.
Control Method
MR12volt and Apple CarPlay / Android Auto are controlled through the factory touchscreen.
Smartphone Connectivity
Wireless Apple CarPlay & Android Auto
Wired Apple CarPlay & Android Auto
Wireless MirrorLink (Android – CarLetter required)
Use navigation, Spotify, Apple Music, Waze, Google Maps, and calls directly on your factory display.
Camera & Multimedia Support
Reverse camera input
Front camera input
Left / Right blind spot camera input
Supports aftermarket cameras up to AHD 720P
USB video and music playback
OEM Feature Retention
MR12volt retains the following factory features:
OEM microphone
OEM front and rear camera functionality
Factory parking sensors display
Factory climate display
Steering wheel controls
Switch seamlessly between OEM interface and CarPlay / Android Auto.
Advanced Audio Control
15-band DSP equalizer
Independent navigation / media / mic volume
Apple Lossless supported
Enhanced Bluetooth call clarity
Bluetooth audio streaming
Optimized for Range Rover and Land Rover factory audio systems.
MR12volt provides a seamless CarPlay and Android Auto upgrade for Range Rover Sport L320 / Discovery 4 / LR4 vehicles equipped with the MOST fiber optic audio system.
Frequently Asked Questions
Does this require AUX?
No. Direct MOST fiber optic integration.
Does it work with Harman Kardon Logic 7?
Yes. Fully compatible.
Does it retain factory cameras?
Yes. OEM front and rear camera functionality is retained.
Is this a full head unit replacement?
No. This is a retrofit interface that integrates with your factory system.
What back camera is recommended for MR12volt?
MR12volt supports any aftermarket rear camera up to AHD 720P resolution.
Firmware & Long-Term Support
• USB firmware upgrade supported
• Ongoing compatibility updates