JL AUDIO MM55HR: Premium, Hidden Marine Source Unit with Built-in Amplifier

Name: JL Audio MM55HR: Premium, Hidden Marine Source Unit with Built-in Amplifier
Brand: JL Audio
SKU: JLAMM55-HR
Price: 349.99 USD
Availability: InStock

SKU: JLAMM55-HR MFG#: MM55-HR

$349.99

4 in stock

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Ships from Pompano Beach, FL. Rate shown is for Florida (1-2 business days); other states 1 to 7 business days, exact rate by ZIP at checkout.

★★★★★ 5.0 rated on Google (21 reviews) · ✓ 30-day returns · ✓ Secure payment by Stripe

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Professional marine audio installation available in South Florida. Free quotes, and boat pickup and transport for qualifying boats and projects.

Get an Installation Quote Call +1 (786) 277-2596

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Ships from Pompano Beach, FL, United States.
Handling: 1 business day. Delivery: 1 to 7 business days within the United States.
Shipping is calculated at checkout by the carrier. Orders of $199 or more ship free.
Product images and specifications are supplied by the manufacturer.

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JL AUDIO MM55HR Premium Hidden Marine Source Unit with Built-in Amplifier

The JL AUDIO MM55HR is a premium hidden marine source unit featuring a built-in amplifier with a power output of 4 x 50 W RMS. This unit is engineered for marine audio applications, providing high-quality sound while maintaining a compact footprint for installation.

Compatibility & Applications

Fits in dashboards of boats and yachts up to 30 ft.
Pairs with JL AUDIO amplifiers for enhanced audio performance.
Integrates with NMEA 2000 systems for streamlined connectivity.
Replaces older marine source units without requiring additional mounting.
Mounts securely in helm stations and under-console locations.
Wires to 12V DC bus systems for efficient power distribution.

The unit delivers powerful audio in marine environments, making it a drop-in replacement for outdated systems like the Sony DSX-M55BT. Its IP66 rating ensures durability against water and dust ingress, which allows for long-term use in harsh conditions.

Technical Specifications

Weight	2.20 lbs
Dimensions (L × W × H)	8.25 × 4.65 × 3.74 in

Weight	2.2 lbs
Dimensions	8.25 × 4.65 × 3.74 in
Power Output	4 x 50 W RMS
Voltage	12 V DC
Operating Temperature Range	-20 °F to 158 °F (-29 °C to 70 °C)
IP Rating	IP66
Connector Type	ISO 10487
Country of Origin	USA
Warranty	2 years
Finish	Corrosion-resistant
Materials	Marine-grade components
MFG#	99977 / 010-03372-00
MFG#	MM55-HR

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Description

JL AUDIO MM55HR Premium Hidden Marine Source Unit with Built-in Amplifier

The JL AUDIO MM55HR is a premium hidden marine source unit featuring a built-in amplifier with a power output of 4 x 50 W RMS. This unit is engineered for marine audio applications, providing high-quality sound while maintaining a compact footprint for installation.

Compatibility & Applications

Fits in dashboards of boats and yachts up to 30 ft.
Pairs with JL AUDIO amplifiers for enhanced audio performance.
Integrates with NMEA 2000 systems for streamlined connectivity.
Replaces older marine source units without requiring additional mounting.
Mounts securely in helm stations and under-console locations.
Wires to 12V DC bus systems for efficient power distribution.

The unit delivers powerful audio in marine environments, making it a drop-in replacement for outdated systems like the Sony DSX-M55BT. Its IP66 rating ensures durability against water and dust ingress, which allows for long-term use in harsh conditions.

Technical Specifications

Weight	2.20 lbs
Dimensions (L × W × H)	8.25 × 4.65 × 3.74 in

Specification

Overview

Weight	2.2 lbs
Dimensions	8.25 × 4.65 × 3.74 in
Power Output	4 x 50 W RMS
Voltage	12 V DC
Operating Temperature Range	-20 °F to 158 °F (-29 °C to 70 °C)
IP Rating	IP66
Connector Type	ISO 10487
Country of Origin	USA
Warranty	2 years
Finish	Corrosion-resistant
Materials	Marine-grade components
MFG#	99977 / 010-03372-00
MFG#	MM55-HR