Meridian 380W Sound System Retrofit for Land Rover & Jaguar

Music deserves more than a flat, compressed signal. The genuine Meridian 380W sound system retrofit from LR‑Retrofit replaces your vehicle’s entry‑level audio architecture with a fully digital, 12‑channel amplified platform. Meridian’s proprietary Trifield technology creates a cohesive soundstage that places every instrument and vocal precisely where the recording engineer intended. Our complete upgrade kit supplies the identical amplifier, speaker array, and vehicle‑specific wiring harness that Jaguar Land Rover fits at the assembly plant. Remote coding activates the amplifier’s CAN‑bus communication, enabling full integration with the touchscreen tone controls, speed‑dependent volume, and steering wheel audio switches.

Why Choose the Meridian 380W Upgrade

• Clarity emerges from silence. The 12‑channel Class‑D amplifier drives each speaker with an isolated, time‑aligned signal. Background hiss vanishes, and quiet passages in classical recordings retain their texture instead of dissolving into electrical noise.
• Meridian Digital Signal Processing corrects the cabin acoustics automatically. The amplifier stores acoustic profiles for your specific model and body style. It applies real‑time equalisation, phase correction, and dynamic range management, so the sound remains balanced whether you sit in the driver’s seat or the second row.
• Speaker upgrades deliver tangible headroom. The kit supplies composite‑cone woofers, treated‑fabric tweeters, and a dual‑voice‑coil centre speaker. Each driver matches the amplifier’s output curve precisely, eliminating the distortion that occurs when base audio speakers receive an amplified signal they cannot handle.
• Vehicle integration remains seamless. The audio menu on your Pivi Pro or InControl Touch Pro screen gains new Meridian‑branded options, including the Trifield surround toggle and independent subwoofer level control. Volume, track selection, and source switching respond through the factory steering wheel controls without any aftermarket adapter boxes.

How the Meridian 380W Architecture Works

Jaguar Land Rover’s Meridian 380W system employs a fully digital signal path from the Infotainment Master Controller to the amplifier. The audio data travels as a low‑voltage differential signalling stream over a shielded twisted‑pair cable. The Meridian amplifier decodes this stream with a 24‑bit/48 kHz DAC, then distributes twelve discrete channels through an active crossover network. Each channel drives a single speaker element. The amplifier communicates with the Body Control Module over the CAN‑bus, receiving real‑time data on vehicle speed, roof position, and interior ambient noise level. Meridian’s algorithms use this data to adjust dynamic equalisation imperceptibly, maintaining consistent tonal balance from a stationary idle to motorway cruising speeds.

Our retrofit kit supplies the complete hardware chain: the amplifier with its dedicated mounting bracket, all upgraded speakers with foam gaskets, the vehicle‑specific wiring loom, and the power feed with an integrated fuse holder that connects to the correct cavity in the rear Battery Junction Box. The installation preserves every factory cable routing point and grounding location.

What the Meridian 380W Retrofit Kit Includes

• Genuine Meridian 12‑channel Class‑D amplifier with CAN‑bus interface and acoustic profile firmware.
• Upgraded front door woofers and tweeters with composite cone technology.
• Rear door coaxial speakers with integrated silk‑dome tweeters.
• Centre‑channel dual‑voice‑coil speaker for enhanced vocal clarity.
• Subwoofer with rigid enclosure and dedicated amplifier channel.
• Complete vehicle‑specific Most‑ready wiring harness, including shielded LVDS audio cables.
• Amplifier mounting bracket, fixings, and anti‑vibration dampening pads.
• JLR DoIP Vehicle Communication Interface for the remote coding appointment.
• Full installation guide with torque specifications, connector pin‑out diagrams, and trim removal precautions.

Our Remote Retrofitting Process

1. We confirm your VIN and current audio specification. A diagnostic check verifies your Infotainment Master Controller software version and existing speaker configuration. We then build a kit that matches your vehicle’s trim level, door count, and roof type.
2. We ship the complete hardware and the programming interface to you. The kit arrives in foam‑lined, individually labelled packaging. A pictorial guide details the routing of the wiring harness along the factory cable channels inside the sill trims and under the carpet.
3. You plug the VCI into the OBD‑II port and switch the ignition on. At your scheduled time, our technician connects remotely and reads the existing Central Car Configuration. We add the Meridian 380W sales code, update the amplifier firmware to the latest JLR release, and calibrate the speaker output channels.
4. We perform a live verification sequence with you. We guide you through a full audio test: panning across all channels, subwoofer crossover point verification, Trifield processing toggle, and speed‑dependent volume response. Every parameter receives confirmation in the diagnostic log before we sign off.
5. We disconnect and you keep the VCI. The interface remains with you for any future audio system software updates. You receive a configuration report documenting every parameter change, which supports full traceability for your service history.

Compatible Land Rover & Jaguar Models

The Meridian 380W sound system retrofit suits a wide range of JLR vehicles that share the same infotainment platform. The kit accommodates both left‑hand‑drive and right‑hand‑drive configurations without modification.

• Range Rover L405 (2013‑2021), L460 (2022 onwards)
• Range Rover Sport L494 (2014‑2021), L461 (2022 onwards)
• Range Rover Velar L560 (2017 onwards)
• Range Rover Evoque L551 (2019 onwards)
• Discovery 5 L462 (2017 onwards)
• Discovery Sport L550 (2015‑2019 and 2020 facelift onwards)
• New Defender L663 (2020 onwards)
• Jaguar F‑Pace X761 (2016 onwards)
• Jaguar E‑Pace X540 (2018 onwards)
• Jaguar XF X260 (2015 onwards)

Frequently Asked Questions

Will the Meridian 380W system work with my existing touchscreen?

Yes. The amplifier connects digitally to your factory Infotainment Master Controller. Your Pivi Pro or InControl Touch Pro screen displays the Meridian‑branded audio menu and provides full control over the Trifield processing, subwoofer level, and equaliser settings.

Does the amplifier require additional ventilation?

No. The Meridian amplifier mounts in the factory‑designated location, which engineers designed with adequate airflow. The Class‑D topology generates minimal heat, so the amplifier operates well within its thermal envelope under all conditions.

Can I retain my existing speakers and upgrade the amplifier only?

We supply the complete speaker array because the base audio speakers lack the power handling and frequency response to complement the Meridian amplifier. The included drivers match the amplifier’s output curve for a balanced, distortion‑free sound.

Does the coding affect other vehicle functions?

No. The configuration change adds a single audio system option to the Central Car Configuration. All other body functions remain completely untouched. The process leaves zero footprint that could impact future dealership diagnostics or software updates.