ID
1341263
$ 383.39
1-2 weeks delivery time
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JL Audio MX300/1 Monoblock Wide-Range Amplifier features an ultra-compact, water-resistant design with efficient Class D performance, flexible inputs, and onboard filtering for clean marine audio power.
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JL Audio 010-03324-00 - MX300/1 Monoblock Wide-Range Amplifier
The JL Audio MX300/1 monoblock wide-range amplifier is built into an ultra-compact cast-aluminum chassis, making it ideal for installations where space is limited and durability is essential. Designed for marine and powersports use, it features IPX7 water resistance and a corrosion-inhibiting, powder-coated aluminum housing with marine-grade hardware.
Its highly efficient Class D architecture minimizes current draw and heat generation while delivering high-fidelity output without overloading small charging systems. The versatile input design accepts speaker-level signals directly, eliminating the need for a line-output converter and ensuring excellent noise rejection against alternator whine and unwanted interference.
All controls and signal processing features are protected behind a water-resistant security cover, ensuring reliable performance even in harsh seasonal conditions. Integrated onboard filters provide system flexibility and simplified setup.
General Specifications
Channels Monoblock / 3-Channel / 4-Channel Amplifier Class Class D Operating Voltage 11–15 VDC Voltage 12 V Protection Rating IPX7 Warranty 3 Years Color Gray Weight 1.44 kg (3.18 lbs)
Physical Dimensions
Height 45 mm (1.77") Width 220 mm (8.66") Depth 78.5 mm (3.09")
Power Output (RMS)
14.4 V @ 4 Ω 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)14.4 V @ 2 Ω 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 412.5 V @ 4 Ω 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)12.5 V @ 2 Ω 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 4Total Power 300 W
Audio Performance
Frequency Response (+0, -1 dB) 20 Hz–20 kHz (Monoblock 300 W / 3-Channel / 4-Channel 280 W / 500 W)
20 Hz–12 kHz (Monoblock 500 W)THD+N @ Rated Power < 1% @ 2 Ω per Channel
Signal-to-Noise Ratio (Analog Inputs)
Highest Rated Power Monoblock (300 W): > 85 dB
Monoblock (500 W): > 97 dB
4-Channel (280 W): > 89.5 dB
4-Channel (500 W): > 88 dB
3-Channel Main: > 88 dB
3-Channel Sub: > 88 dBReferred to 1 W Monoblock (300 W): > 64 dB
Monoblock (500 W): > 70 dB
4-Channel (280 W): > 68 dB
4-Channel (500 W): > 70.5 dB
3-Channel Main: > 68 dB
3-Channel Sub: > 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@ 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
Input & Electrical Specifications
Input Voltage Range (RCA) Monoblock (500 W): 250 mV–4 V RMS (Low) / 580 mV–14 V RMS (High)
Monoblock (300 W) / 4-Channel (280 W / 500 W): 250 mV–4 V RMS (Low) / 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 ARecommended Fuse Types AFS, AGU, MaxiFuse™ Minimum Power / Ground Wire Gauge Monoblock (300 W) / 4-Channel (280 W): 8 AWG
Monoblock (500 W) / 3-Channel / 4-Channel (500 W): 4 AWG
Brand: JL Audio
Barcode: 0699440984065 -
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