PLAY ANYWHERE
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
3-YEAR WARRANTY
WHAT YOU’LL LOVE
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 AMPLIFIER
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 |
|
| Warranty | 3 years |
|---|---|
| Channels | Monoblock/3/4 |
| Physical dimensions (Height) | 1.77″ (45 mm) |
| Physical dimensions (Width) | Monoblock (300 W)/4-Channel (280 W): 8.66″ (220 mm) Monoblock (500 W)/3/4-Channel (500 W): 9.33″ (237 mm) |
| Physical dimensions (Depth) | Monoblock (300 W)/4-Channel (280 W): 3.09″ (78.5 mm) Monoblock (500 W )/3/4-Channel (500 W): 4.50″ (115 mm) |
| Weight |
3.18 lbs (1.44 kg) |
| Operating voltage | 11-15 VDC |
| Water and dust rating | IPX7 |
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 3-Channel: Main: 80 W x 2/Sub: 300 W x 1 4-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)/3-Channel: 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 | |
| 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 |
Engineering enhancements are ongoing and may not be reflected in the pictures, videos and specifications.
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