With efficient NexD™ technology and a water-resistant chassis, MX amplifiers produce loads of clean power and are ideal for applications where moisture cannot be completely avoided.

 

DESIGNED FOR LIMITED SPACE APPLICATIONS

SHOCK-RESISTANT, WATER-RESISTANT AND BUILT TOUGH

EFFICIENT DESIGN FOR HIGH OUTPUT USES LESS ENERGY

COMPLETE SIGNAL PROCESSING SECTIONS ON BOARD

EXCEEDS INTERNATIONAL STANDARDS FOR SALT FOG AND UV EXPOSURE

2-YEAR WARRANTY

 

POWER TO GO ANYWHERE
Housed in a tiny cast-aluminum chassis, MX amps are rugged, water-resistant (IPX7-rated) and ready to go where conventional amplifiers wouldn’t dare.

NexD ADVANTAGE
The highly efficient Class-D design reduces current draw and heat while generating loads of high-fidelity sound without straining small charging systems.

COMPLETE SIGNAL PROCESSING
For easy setup and system flexibility, a complete set of onboard filters and signal processing features is concealed behind every MX amplifier’s water-resistant control cover.

DIFFERENTIAL-BALANCED INPUTS
A versatile design accepts speaker level signals without a line-output converter — and delivers outstanding noise rejection while preventing alternator whine and other noises.

BUILT FOR THE ELEMENTS
The all-aluminum, powder-coated housing with marine-grade hardware inhibits corrosion, and a water-resistant security cover protects all controls from the harshest of seasons.

 

CHOOSE YOUR MODEL

FULL-RANGE STEREO
These amplifiers offer two 4-channel models with 280 and 500 watts.

SYSTEM AMPLIFIERS
It’s a tiny 600-watt powerhouse with 2 full-range outputs plus a subwoofer output.

MONOBLOCK
Two models are available with 300 and 500 watts.

 

SPECS

General

Channels Monoblock/3/4
Physical dimensions (Height) 45 mm (1.77")
Physical dimensions (Width) Monoblock (300 W)/4-Channel (280 W): 220 mm (8.66")
Monoblock (500 W)/3/4-Channel (500 W): 237 mm (9.33")
Physical dimensions (Depth) Monoblock (300 W)/4-Channel (280 W): 78.5 mm (3.09")
Monoblock (500 W )/3/4-Channel (500 W): 115 mm (4.50")
Weight 1.44 kg (3.18 lbs)
Water and dust rating IPX7
Warranty 2 years
Operating voltage 11-15 VDC

Audio

Amplifier class Class D
Rated continuous (RMS) power (14.4 V input @ 4 Ohm < 1% THD) Monoblock (300 W): 160 W x 1
Monoblock (500 W): 300 W x 1
3-Channel: Main: 75 W x 2/Sub: 250 W x 1
4-Channel (280 W): 50 W x 4/140 W x 2 (Bridged)
4-Channel (500 W): 70 W x 4/250 W x 2 (Bridged)
Rated continuous (RMS) power (14.4 V input @ 2 Ohm < 1% THD) Monoblock (300 W): 300 W x 1
Monoblock (500 W): 500 W x 1
3-Channel: Main: 100 W x 2/Sub: 400 W x 1
4-Channel (280 W): 70 W x 4
4-Channel (500 W): 125 W x 4
Rated continuous (RMS) power (12.5 V input @ 4 Ohm < 1% THD) Monoblock (300 W): 160 W x 1
Monoblock (500 W): 250 W x 1
3-Channel: Main: 50 W x 2/Sub: 200 W x 1
4-Channel (280 W): 36 W x 4/100 W x 2 (Bridged)
4-Channel (500 W): 55 W x 4/180 W x 2 (Bridged)
Rated continuous (RMS) power (12.5 V input @ 2 Ohm < 1% THD) Monoblock (300 W): 250 W x 1
Monoblock (500 W): 400 W x 1
Channel: Main: 80 W x 2/Sub: 300 W x 1
3-Channel (280 W): 52 W x 4
4-Channel (500 W): 90 W x 4
Signal-to-Noise Ratio, referred to highest rated power (A-weighted, 20 Hz - 20 kHz noise bandwidth): Analog Inputs Monoblock (300 W): > 85 dB
Monoblock (500 W): > 97 dB
4-Channel (280 W): > 89.5 dB
4-Channel (500 W): > 88 dB
Signal-to-Noise Ratio, referred to highest rated power (A-weighted, 20 Hz - 20 kHz noise bandwidth): Analog Inputs - Main Channels 3-Channel: > 88 dB
Signal-to-Noise Ratio, referred to highest rated power (A-weighted, 20 Hz - 20 kHz noise bandwidth): Analog Inputs - Subwoofer Channel 3-Channel: > 88 dB
Signal-to-Noise Ratio, referred to 1 W (A-weighted, 20 Hz - 20 kHz noise bandwidth): Analog Inputs Monoblock (300 W): > 64 dB
Monoblock (500 W): > 70 dB
4-Channel (280 W): > 68 dB
4-Channel (500 W): > 70.5 dB
Signal-to-Noise Ratio, referred to 1 W (A-weighted, 20 Hz - 20 kHz noise bandwidth): Analog Inputs - Main Channels 3-Channel: > 68 dB
Signal-to-Noise Ratio, referred to 1 W (A-weighted, 20 Hz - 20 kHz noise bandwidth): Analog Inputs - Subwoofer Channel 3-Channel: > 68 dB
Damping factor @ 4 Ω Monoblock (300 W): > 120/50 Hz
Monoblock (500 W): > 115/50 Hz
4-Channel (280 W): > 60/50 Hz
4-Channel (500 W): > 92/50 Hz
Damping factor @ 2 Ω Monoblock (300 W): > 75/50 Hz
Monoblock (500 W): > 54/50 Hz
4-Channel (280 W): > 30/50 Hz
4-Channel (500 W): > 43/50 Hz
THD+N @ Rated Power Monoblock (300 W/500 W)/4-Channel(280 W): <1% @ 2 Ω per Channel
THD+N @ Rated Power: Main Channels <1% @ 2 Ω per Channel
THD+N @ Rated Power: Subwoofer Channel <1% @ 2 Ω per Channel
Frequency response (+0, -1dB) Monoblock (300 W)/3/4-Channel (280 W/500 W): 20 Hz-20 kHz
Monoblock (500 W): 20 Hz-12 kHz
Input voltage range @ RCA inputs Monoblock (500 W): Switchable from 250 mV-4 V RMS (Low) to 580 mV-14 V RMS (High)
Monoblock (300 W)/4-Channel (280 W/500 W): Switchable from 250 mV-4 V RMS (Low) to 750 mV-15 V RMS (High)
Fuse rating Monoblock (300 W): 30 A
Monoblock (500 W)/4-Channel (500 W): 50 A
3-Channel: 60 A
4-Channel (280 W): 35 A
Recommended fuse type(s) AFS, AGU or MaxiFuse™
Min. copper power/Ground wire gauge Monoblock (300 W)/4-Channel (280 W): 8 AWG wire
Monoblock (500 W)/3/4-Channel (500 W): 4 AWG wire

Signal Processing

Filter mode(s): Channels 1 & 2 Monoblock (300 W/500 W): Off or Low-Pass only
3/4-Channel (280 W/500W): Off, Low-Pass or High-Pass
Filter slope(s): Channels 1 & 2 Monoblock (300 W)/4-Channel (280 W/500 W): 12 dB/octave
Monoblock (500 W): 24 dB/octave
Filter frequency range: Channels 1 & 2 Monoblock (300 W): 40 Hz-400 Hz
4-Channel (280 W/500 W): 35 Hz-300 Hz
Filter mode(s): Channels 3 & 4 4-Channel (280 W/500 W): Off, Low-Pass or High-Pass
Filter slope(s): Channels 3 & 4 4-Channel (280 W/500 W): 12 dB/octave
Filter frequency range: Channels 3 & 4 4-Channel (280 W/500 W): 35 Hz-300 Hz
Filter mode(s): Subwoofer Channel 3-Channel: Off or Low-Pass only
Filter slope(s): Subwoofer Channel 3-Channel: 12 dB/octave
Filter frequency range: Subwoofer Channel 3-Channel: 40 Hz-400 Hz
Bass boost EQ (0 to +12 dB @ 45 Hz) Monoblock (300 W/500 W): 0 to +12 dB @ 43 Hz
Detented, calibrated filter frequent potentiometers  YES
Remote level control Monoblock (300 W/500 W)/3-Channel: Optional (RBC-1)
Channel input mode switch 3-Channel: yes (2/4 Channels)
4-Channel (280 W/500 W): yes (2/3/4 Channels)
Output polarity switch Monoblock (300 W/500 W)/3-Channel: yes

 

IN THE BOX

  • MX amplifier with power/signal pigtails
  • Four 1-inch self-tapping screws

 

COMPATIBLE DEVICES

JL Audio M3 Enclosed Tower Speakers
JL Audio® M3 Marine Speakers
JL Audio M3 Marine Subwoofer
JL Audio® MediaMaster® 105 stereo
JL Audio® MediaMaster® 55 stereo
JL Audio® Receiver
JL Audio® Stealthbox® enclosed speakers for Polaris RZR 4 900, 900XC, XP 1000 and XP4 1000 (SB-POL-RZG2SPKR/M3-650i)
JL Audio® Stealthbox® enclosed speakers for Polaris RZR 4 900, 900XC, XP 1000 and XP4 1000 (SB-POL-RZG3/10TW3)

SKU 010-03326-00
Barcode # 0699440984096
Brand JL Audio
Shipping Weight 1.9900kg

JL Audio MX Marine and Powersports Amplifiers, 3 Channel System Amplifier (600 watts) (MX600/3)

SKU: 010-03326-00
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With efficient NexD™ technology and a water-resistant chassis, MX amplifiers produce loads of clean power and are ideal for applications where moisture cannot be completely avoided.

 

DESIGNED FOR LIMITED SPACE APPLICATIONS

SHOCK-RESISTANT, WATER-RESISTANT AND BUILT TOUGH

EFFICIENT DESIGN FOR HIGH OUTPUT USES LESS ENERGY

COMPLETE SIGNAL PROCESSING SECTIONS ON BOARD

EXCEEDS INTERNATIONAL STANDARDS FOR SALT FOG AND UV EXPOSURE

2-YEAR WARRANTY

 

POWER TO GO ANYWHERE
Housed in a tiny cast-aluminum chassis, MX amps are rugged, water-resistant (IPX7-rated) and ready to go where conventional amplifiers wouldn’t dare.

NexD ADVANTAGE
The highly efficient Class-D design reduces current draw and heat while generating loads of high-fidelity sound without straining small charging systems.

COMPLETE SIGNAL PROCESSING
For easy setup and system flexibility, a complete set of onboard filters and signal processing features is concealed behind every MX amplifier’s water-resistant control cover.

DIFFERENTIAL-BALANCED INPUTS
A versatile design accepts speaker level signals without a line-output converter — and delivers outstanding noise rejection while preventing alternator whine and other noises.

BUILT FOR THE ELEMENTS
The all-aluminum, powder-coated housing with marine-grade hardware inhibits corrosion, and a water-resistant security cover protects all controls from the harshest of seasons.

 

CHOOSE YOUR MODEL

FULL-RANGE STEREO
These amplifiers offer two 4-channel models with 280 and 500 watts.

SYSTEM AMPLIFIERS
It’s a tiny 600-watt powerhouse with 2 full-range outputs plus a subwoofer output.

MONOBLOCK
Two models are available with 300 and 500 watts.

 

SPECS

General

Channels Monoblock/3/4
Physical dimensions (Height) 45 mm (1.77")
Physical dimensions (Width) Monoblock (300 W)/4-Channel (280 W): 220 mm (8.66")
Monoblock (500 W)/3/4-Channel (500 W): 237 mm (9.33")
Physical dimensions (Depth) Monoblock (300 W)/4-Channel (280 W): 78.5 mm (3.09")
Monoblock (500 W )/3/4-Channel (500 W): 115 mm (4.50")
Weight 1.44 kg (3.18 lbs)
Water and dust rating IPX7
Warranty 2 years
Operating voltage 11-15 VDC

Audio

Amplifier class Class D
Rated continuous (RMS) power (14.4 V input @ 4 Ohm < 1% THD) Monoblock (300 W): 160 W x 1
Monoblock (500 W): 300 W x 1
3-Channel: Main: 75 W x 2/Sub: 250 W x 1
4-Channel (280 W): 50 W x 4/140 W x 2 (Bridged)
4-Channel (500 W): 70 W x 4/250 W x 2 (Bridged)
Rated continuous (RMS) power (14.4 V input @ 2 Ohm < 1% THD) Monoblock (300 W): 300 W x 1
Monoblock (500 W): 500 W x 1
3-Channel: Main: 100 W x 2/Sub: 400 W x 1
4-Channel (280 W): 70 W x 4
4-Channel (500 W): 125 W x 4
Rated continuous (RMS) power (12.5 V input @ 4 Ohm < 1% THD) Monoblock (300 W): 160 W x 1
Monoblock (500 W): 250 W x 1
3-Channel: Main: 50 W x 2/Sub: 200 W x 1
4-Channel (280 W): 36 W x 4/100 W x 2 (Bridged)
4-Channel (500 W): 55 W x 4/180 W x 2 (Bridged)
Rated continuous (RMS) power (12.5 V input @ 2 Ohm < 1% THD) Monoblock (300 W): 250 W x 1
Monoblock (500 W): 400 W x 1
Channel: Main: 80 W x 2/Sub: 300 W x 1
3-Channel (280 W): 52 W x 4
4-Channel (500 W): 90 W x 4
Signal-to-Noise Ratio, referred to highest rated power (A-weighted, 20 Hz - 20 kHz noise bandwidth): Analog Inputs Monoblock (300 W): > 85 dB
Monoblock (500 W): > 97 dB
4-Channel (280 W): > 89.5 dB
4-Channel (500 W): > 88 dB
Signal-to-Noise Ratio, referred to highest rated power (A-weighted, 20 Hz - 20 kHz noise bandwidth): Analog Inputs - Main Channels 3-Channel: > 88 dB
Signal-to-Noise Ratio, referred to highest rated power (A-weighted, 20 Hz - 20 kHz noise bandwidth): Analog Inputs - Subwoofer Channel 3-Channel: > 88 dB
Signal-to-Noise Ratio, referred to 1 W (A-weighted, 20 Hz - 20 kHz noise bandwidth): Analog Inputs Monoblock (300 W): > 64 dB
Monoblock (500 W): > 70 dB
4-Channel (280 W): > 68 dB
4-Channel (500 W): > 70.5 dB
Signal-to-Noise Ratio, referred to 1 W (A-weighted, 20 Hz - 20 kHz noise bandwidth): Analog Inputs - Main Channels 3-Channel: > 68 dB
Signal-to-Noise Ratio, referred to 1 W (A-weighted, 20 Hz - 20 kHz noise bandwidth): Analog Inputs - Subwoofer Channel 3-Channel: > 68 dB
Damping factor @ 4 Ω Monoblock (300 W): > 120/50 Hz
Monoblock (500 W): > 115/50 Hz
4-Channel (280 W): > 60/50 Hz
4-Channel (500 W): > 92/50 Hz
Damping factor @ 2 Ω Monoblock (300 W): > 75/50 Hz
Monoblock (500 W): > 54/50 Hz
4-Channel (280 W): > 30/50 Hz
4-Channel (500 W): > 43/50 Hz
THD+N @ Rated Power Monoblock (300 W/500 W)/4-Channel(280 W): <1% @ 2 Ω per Channel
THD+N @ Rated Power: Main Channels <1% @ 2 Ω per Channel
THD+N @ Rated Power: Subwoofer Channel <1% @ 2 Ω per Channel
Frequency response (+0, -1dB) Monoblock (300 W)/3/4-Channel (280 W/500 W): 20 Hz-20 kHz
Monoblock (500 W): 20 Hz-12 kHz
Input voltage range @ RCA inputs Monoblock (500 W): Switchable from 250 mV-4 V RMS (Low) to 580 mV-14 V RMS (High)
Monoblock (300 W)/4-Channel (280 W/500 W): Switchable from 250 mV-4 V RMS (Low) to 750 mV-15 V RMS (High)
Fuse rating Monoblock (300 W): 30 A
Monoblock (500 W)/4-Channel (500 W): 50 A
3-Channel: 60 A
4-Channel (280 W): 35 A
Recommended fuse type(s) AFS, AGU or MaxiFuse™
Min. copper power/Ground wire gauge Monoblock (300 W)/4-Channel (280 W): 8 AWG wire
Monoblock (500 W)/3/4-Channel (500 W): 4 AWG wire

Signal Processing

Filter mode(s): Channels 1 & 2 Monoblock (300 W/500 W): Off or Low-Pass only
3/4-Channel (280 W/500W): Off, Low-Pass or High-Pass
Filter slope(s): Channels 1 & 2 Monoblock (300 W)/4-Channel (280 W/500 W): 12 dB/octave
Monoblock (500 W): 24 dB/octave
Filter frequency range: Channels 1 & 2 Monoblock (300 W): 40 Hz-400 Hz
4-Channel (280 W/500 W): 35 Hz-300 Hz
Filter mode(s): Channels 3 & 4 4-Channel (280 W/500 W): Off, Low-Pass or High-Pass
Filter slope(s): Channels 3 & 4 4-Channel (280 W/500 W): 12 dB/octave
Filter frequency range: Channels 3 & 4 4-Channel (280 W/500 W): 35 Hz-300 Hz
Filter mode(s): Subwoofer Channel 3-Channel: Off or Low-Pass only
Filter slope(s): Subwoofer Channel 3-Channel: 12 dB/octave
Filter frequency range: Subwoofer Channel 3-Channel: 40 Hz-400 Hz
Bass boost EQ (0 to +12 dB @ 45 Hz) Monoblock (300 W/500 W): 0 to +12 dB @ 43 Hz
Detented, calibrated filter frequent potentiometers  YES
Remote level control Monoblock (300 W/500 W)/3-Channel: Optional (RBC-1)
Channel input mode switch 3-Channel: yes (2/4 Channels)
4-Channel (280 W/500 W): yes (2/3/4 Channels)
Output polarity switch Monoblock (300 W/500 W)/3-Channel: yes

 

IN THE BOX

  • MX amplifier with power/signal pigtails
  • Four 1-inch self-tapping screws

 

COMPATIBLE DEVICES

JL Audio M3 Enclosed Tower Speakers
JL Audio® M3 Marine Speakers
JL Audio M3 Marine Subwoofer
JL Audio® MediaMaster® 105 stereo
JL Audio® MediaMaster® 55 stereo
JL Audio® Receiver
JL Audio® Stealthbox® enclosed speakers for Polaris RZR 4 900, 900XC, XP 1000 and XP4 1000 (SB-POL-RZG2SPKR/M3-650i)
JL Audio® Stealthbox® enclosed speakers for Polaris RZR 4 900, 900XC, XP 1000 and XP4 1000 (SB-POL-RZG3/10TW3)

SKU 010-03326-00
Barcode # 0699440984096
Brand JL Audio
Shipping Weight 1.9900kg