Mr12Volt Range Rover L320 & Discovery 4 (2009–2011) Wireless CarPlay & Android Auto MOST Interface

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