JL Audio MV600/6i Marine Amplifier

Introduction

Thank you for purchasing a JL Audio amplifier for your marine sound system. This amplifier is designed and manufactured to exacting standards for years of musical enjoyment. For maximum performance, installation by an authorized JL Audio dealer is highly recommended. If you choose to install it yourself, please read this manual thoroughly.

For assistance, contact your authorized JL Audio dealer or the JL Audio Technical Support Department at technical@jlaudio.com/support.

Installation Applications

This amplifier is designed for 12-volt DC, negative-ground electrical systems. Use in vessels with positive ground or voltages other than 12V DC may result in damage and void the warranty. This product is not certified for use in aircraft.

Planning Your Installation

Carefully plan your installation to avoid damaging vessel electrical systems. Consult reliable wiring diagrams and use proper test equipment. If you are uncomfortable with these procedures, enlist the services of an authorized JL Audio dealer.

Safety Considerations

• Install in a dry, well-ventilated location away from factory systems.
• Do not submerge or subject to high-pressure water spray.
• Avoid direct exposure to elements, engine compartments, extreme heat, or hot air.
• Mount vertically with connections pointing downward if possible. Route wiring to direct condensation away from the amplifier.
• Securely mount the amplifier to prevent loosening from jolts or vibrations.
• Check for hidden wiring or systems before drilling.
• Do not run system wiring outside or underneath the vessel.
• Protect all system wires from sharp edges using grommets and loom where appropriate.
• Secure wiring with cable ties or clamps.

Power Connector

The MV600/6i's '+12 VDC' and 'Ground' connections accept up to 4 AWG copper wire. Tinned copper power wire is recommended for marine installations. 4 AWG is the minimum copper wire size.

To connect wires:

1. Back out set screws on the connector using supplied hex wrenches.
2. Strip 3/8 inch (10 mm) of insulation from each wire end.
3. Insert bare wire firmly into the connector receptacle, ensuring no bare wire is exposed.
4. Tighten set screws firmly without stripping the heads.
5. Plug the connector into the amplifier firmly.

Connections:

• +12 VDC: Run copper wire from the positive (+12V) battery post. For multiple amplifiers, use appropriate gauge wire for combined current draw and install a fused distribution block.
• Fuse/Circuit Breaker: Install an appropriately rated fuse or ignition-protected circuit breaker (sold separately) within 7 inches (18 cm) of the battery post connection or per marine industry standards. Use a 50 A fuse for this amplifier. Do not install the fuse or close the breaker until all connections are secure.
• Ground: Connect to the NEGATIVE battery post or an appropriately equipped DC ground bus bar. All ground connections should be made at the same location.
• Remote: Connect to the source unit's positive (+12V) remote turn-on output. If no dedicated output exists, connect to a +12V switched circuit via a switch.

Input Section

Eight female RCA jacks provide a differential-balanced input section for flexibility and noise rejection. This allows the MV600/6i to accept analog audio signals up to 16 VRMS without a line-output converter.

Product Description

The MV600/6i is a six-channel, full-range Class D marine amplifier featuring NexD2™, JL Audio's second-generation high-speed switching technology. It delivers reference-grade audio amplification with high efficiency and integrated Digital Signal Processing (DSP). Configuration and tuning are done via an external device (PC, Tablet, or Phone) with the JL Audio TüN™ application.

What is Included

• (1) Amplifier
• (1) Power Connector
• (3) Speaker Output Harnesses
• (1) USB A/B Cable (6 ft./1.8 m)
• (4) Mounting Screws
• (1) 2.5 mm Hex Wrench
• (1) 3 mm Hex Wrench
• (1) Connection Guide

Cooling Efficiency Considerations

The amplifier's outer shell dissipates heat. For optimal cooling, expose it to ample airflow. Enclosing the amplifier in a poorly ventilated space can cause overheating and performance degradation. If an enclosure is necessary, use a fan for ventilation. Ensure at least 1 inch (2.5 cm) of space above the amplifier for proper cooling. When mounted vertically with connections downward, the amplifier achieves an IPX2 water-resistance rating.

Mounting Considerations

MV amplifiers feature keyhole-style mounting holes for easy installation in confined spaces or vertical mounting. Mounting screws can be pre-installed to allow connections before final securing. Consider amplifier orientation and connection access. Vertical mounting with downward-pointing connections is recommended for IPX2 rating.

Speaker Output Harnesses

Connect speaker output leads to corresponding speaker wires using the provided harnesses with water-resistant connectors.

JLid-COMM

Connect optional accessories like MVI-HUB, M-DRC-50, VXI-BTC, or MVI-DRCADAPT to this port.

USB

Connect to a computer via the USB A/B port for configuration and tuning using TüN™ Software.

Reset Buttons

Use a small pin:

• Factory Reset: Press and hold button (A) for 7 seconds to erase all user settings and reboot.
• Reboot Amplifier: Press and release button (B) to reboot without losing settings.

LED Status/Condition Reporting

LEDs on the chassis and connection panel indicate amplifier status:

Pre-Outs

Six female RCA jacks provide line-level, analog audio outputs (Max 4 V RMS) compatible with most aftermarket equipment. These are configured using the TüN™ Software Interface.

Wiring Diagram

A detailed wiring diagram illustrates connections for power, ground, remote, speaker outputs (Channels 1-6), analog inputs (Channels 1-8), JLid-COMM, and USB connection to a computer with TüN™ software.

Connections:

• +12 VDC: Positive (+12V) Battery Connection
• Ground: Negative (-) Ground Connection
• Remote: Positive (+12V) Turn-On Input From Source Unit
• Analog Inputs: CH. 1 - CH. 8 via RCA Jacks
• JLid-COMM: Optional Digital Remote Controller, Network Hub or Bluetooth® Communicator Connection
• USB A/B Cable: To Computer with TüN™ software installed
• Speaker Outputs: A - F, connect to speakers (+ and -)
• Analog Preamp Outputs: P.1 - P.6 via RCA Jacks

TüN™ Software

TüN™ is software used to configure, tune, and control MVi amplifiers and other JL Audio DSP products. It automatically recognizes connected devices and offers a clear interface for adjustments. TüN™ is available for free download for computers and most handheld devices. Visit jlaudio.com/tun for more information.

• TüN™ for PC/Mac: Connects via USB for complete control. Offers demo mode for offline setup.
• TüN™ Mobile: For iPad or Android tablets, connects wirelessly via Bluetooth (requires VXi-BTC).
• TüN™ Express: For smartphones and tablets, offers streamlined setup via Bluetooth (requires VXi-BTC).

Specifications

Amplifier Topology

2nd-Gen NexD™ High Speed Class D

Power Supply Type

Unregulated MOSFET Switching

Operating Voltage

10-15V DC

Connections

Amplifier Specifications

DSP Specifications

Analog Inputs

Analog Outputs

Data Connections

Dimensions

L x W x H: 13.96 in x 6.93 in x 2.05 in / 355 mm x 176 mm x 52 mm

Limited Warranty - Marine Amplifiers (USA)

JL Audio warrants this product for two (2) years from the original purchase date against defects in materials and workmanship. This warranty is non-transferable and applies only to the original purchaser from an authorized JL Audio dealer.

Warranty does not cover:

• Accident, misuse, abuse, product modification, or neglect.
• Failure to follow installation instructions or unauthorized repair attempts.
• Incidental or consequential damages, or costs of removal/reinstallation.
• Cosmetic damage due to accident or normal wear and tear.

Products installed as original equipment by boat manufacturers are covered by the boat manufacturer's warranty.

Warranty is void if the serial number has been removed or defaced. Implied warranties are limited to the duration of the express warranty. Some states may not allow limitations on implied warranties.

For Service:

All warranty returns must be sent freight-prepaid through an authorized JL Audio dealer with proof of purchase (original sales receipt). Direct returns require a valid return authorization number from JL Audio. Warranty expiration is based on the purchase date; if proof of purchase is not provided, it will be based on the manufacturing date code.

Contact JL Audio Customer Service (USA):

Phone: (954) 443-1100 (9:00 AM – 5:30 PM Eastern Time)

Address: JL Audio, Inc., 10369 North Commerce Pkwy., Miramar, FL 33025 (Do not send product for repair to this address)

International Warranties:

Products purchased outside the United States are covered by the respective country's distributor, not JL Audio, Inc.