Refurbished - JL Audio M400/4 Marine 4-Channel Class D Full-Range Amplifier

by JL Audio

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JL Audio M400/4 R/B Image 1 — JL Audio M400/4 R/B

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JL Audio M400/4 R/B Image 6 — JL Audio M400/4 R/B

Product highlights

• 400W RMS
• Preamp RCA outputs
• 3-Way System Protection Circuitry
• Variable High/Low-Pass Filter
• Remote Bass Level Input
• Total Amplifier Efficiencies Exceed 80%

Learn more about the LS-m4004-RB

Description

Authorized dealer

Item Condition - Refurbished:

A manufacturer refurbished product will function like new with all parts inspected or replaced as necessary. There may be slight cosmetic issues such as scratches or similar. See the description for additional details.

M Series 4-Channel Class D Car Amplifier
RMS Power Rating (14.4V):
- 4 ohm: 75 watts x 4 chan.
- 2 ohm: 100 watts x 4 chan.
- Bridged, 8 ohm: 150 watts x 2 chan.
- Bridged, 4 ohm: 200 watts x 2 chan.
RMS Power Rating (12.5V):
- 4 ohm: 60 watts x 4 chan.
- 2 ohm: 90 watts x 4 chan.
- Bridged, 8 ohm: 120 watts x 2 chan.
- Bridged, 4 ohm: 180 watts x 2 chan.
NexD technology features unsurpassed efficiency
Pulse Width Modulated MOSFET power supply
Remote bass level input (JL Audio HD-RLC remote level control sold separately)
LED power (green) and protect (red) indicators
Soft Start Turn-on
4/3/2 channel operation
Total amplifier efficiencies exceed 80%
Advanced Thermal Rollback System completely eliminates annoying thermal shut-down events
Preamp RCA outputs to daisy chain multiple amps
3-Way System Protection circuitry (thermal, overload, and speaker short protection)
Studio-grade signal processing with fully variable crossover filters
Differential input circuitry effectively combats alternator whine and other noises created by boat systems
Heavy duty aluminum alloy heatsink for extreme heat dissipation
Silver-plated RCA level inputs
Silver-plated screw terminals
Input sensitivity:
- Level: 100mV-4V
Variable high-pass filter (50-500 Hz, 12 dB/octave Butterworth)
Variable low-pass filter (50-500 Hz, 12 dB/octave Butterworth)
Damping factor: >150 @ 4 ohm per chan./50 Hz
Frequency response: 12-22,000 Hz
Dimensions: 8-1/2"L x 7-1/8"W x 2-1/16"H
4-gauge power and ground wiring is required for installation. Contact us for information regarding a discount on select amplifier kits when purchased together with this amplifier.
1-year Sonic Electronix warranty

Specifications & Details

Power Specifications - Full Range Channels

RMS Power @ 4 ohms

75 watts x 4 channel

RMS Power @ 2 ohms

100 watts x 4 channel

RMS Power @ 1 ohm

Not Stable

Bridged RMS Power

200 watts x 2 channel

Amplifier Specifications

Amplifier Class

Number of Channels

4-Channel

Total RMS Power Output

400 watts

Maximum Input Gauge Size

4 AWG

Minimum Impedance Unbridged

2 ohm

Minimum Impedance Bridged

4 ohms

THD at Rated RMS Power

1.0%

Speaker Level Inputs

Preamp Outputs

1 pair

Built-in Crossover

Low-Pass (LP)
High-Pass (HP)
Full (AP)

High-Pass Crossover Frequency

50 - 500 Hz

Low-Pass Crossover Frequency

50 - 500 Hz

Signal-to-Noise Ratio

>104 dB

Remote bass/level controller

Optional (Accessory required and sold separately)

JL Audio HD-RLC

Fuse Rating

40A x 1

Warranty and Return Policy

Parts Warranty Duration

1 year

Labor Warranty Duration

1 year

Warranty Provider

Sonic Electronix

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Add-ons

Belva BAK44

Complete 4-Channel CCA 4 Gauge Amp Kit with RCA Cables and Speaker Wire

(61)

$49.99

List price $79.99

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JL Audio M400/4 R/B

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