JL Audio MX300/1 Monoblock Marine Amplifier 300W
The JL Audio MX300/1 is a monoblock wide-range marine amplifier that delivers 300 watts of clean power into a 2-ohm load, built for boats and powersports vehicles where moisture is a fact of life. Its cast-aluminum, powder-coated chassis carries an IPX7 water and dust rating, so it shrugs off spray, rain and washdowns while marine-grade hardware keeps corrosion at bay.
NexD Class-D technology keeps current draw and heat low, letting the MX300/1 run hard off small charging systems without straining them, and differential-balanced inputs accept speaker-level signals directly while rejecting alternator whine. A water-resistant control cover hides the onboard filters and signal processing, and the compact 8.66 by 3.09 by 1.77 inch footprint fits tight spaces. It ships with power and signal pigtails plus four 1-inch self-tapping screws and is backed by a 3-year warranty.
Brand: JL Audio
Model: MX300/1
Product Type: Marine and Powersports Amplifier
Channels: Monoblock
Amplifier Class: Class D
Rated Continuous (RMS) Power (14.4 V input @ 4 Ohm < 1% THD): 160 W x 1
Rated Continuous (RMS) Power (14.4 V input @ 2 Ohm < 1% THD): 300 W x 1
Rated Continuous (RMS) Power (12.5 V input @ 4 Ohm < 1% THD): 160 W x 1
Rated Continuous (RMS) Power (12.5 V input @ 2 Ohm < 1% THD): 250 W x 1
Frequency Response (+0, -1dB): 20 Hz-20 kHz
Signal-to-Noise Ratio, Referred to Highest Rated Power (A-weighted, 20 Hz-20 kHz Noise Bandwidth): > 85 dB
Signal-to-Noise Ratio, Referred to 1 W (A-weighted, 20 Hz-20 kHz Noise Bandwidth): > 64 dB
Damping Factor @ 4 Ohm: > 120/50 Hz
Damping Factor @ 2 Ohm: > 75/50 Hz
THD+N @ Rated Power: <1% @ 2 Ohm per Channel
Input Voltage Range @ RCA Inputs: Switchable from 250 mV-4 V RMS (Low) to 750 mV-15 V RMS (High)
Filter Mode(s): Channels 1 & 2: Off or Low-Pass only
Filter Slope(s): Channels 1 & 2: 12 dB/octave
Filter Frequency Range: Channels 1 & 2: 40 Hz-400 Hz
Bass Boost EQ (0 to +12 dB @ 45 Hz): 0 to +12 dB @ 43 Hz
Remote Level Control: Optional (RBC-1)
Output Polarity Switch: Yes
Fuse Rating: 30 A
Recommended Fuse Type(s): AFS, AGU or MaxiFuse
Minimum Copper Power/Ground Wire Gauge: 8 AWG wire
Operating Voltage: 11-15 VDC
Water and Dust Rating: IPX7
Physical Dimensions (Height): 1.77" (45 mm)
Physical Dimensions (Width): 8.66" (220 mm)
Physical Dimensions (Depth): 3.09" (78.5 mm)
Weight: 3.18 lbs (1.44 kg)
Warranty: 3 years