JL Audio 4 Channel 300W A/B Full Range Amplifier - 300/4v3

Model #:300/4v3
WAS $1,049.95
$919.99
Clearance units availablefrom $919.99

4-Channel Class A/B Full-Range Amplifier, 75 W x 4 @ 1.5-4 Ω

If you prefer a traditional Class A/B design taken to its highest possible level, the 300/4v3 is your amplifier, thanks to its outstanding fidelity, reliability and well-designed feature set.

This classic amplifier features JL Audio's unique, and patented, Absolute Symmetry Class A/B circuit and our R.I.P.S. power supply design for full power delivery (75 W x 4) over a wide range of load impedances and vehicle voltages.

This amplifier features an all-black look that is pure, sexy evil, including the powder-coated cast alloy heat sink and end caps.

Rated Continuous (RMS) Power @ 14.4 V
@ 1.5 Ω75 W RMS x 4
@ 2 Ω75 W RMS x 4
@ 3 Ω75 W RMS x 4
@ 4 Ω75 W RMS x 4
Physical Specifications
Depth (D)9.25 in / 235 mm
Width (W)13.40 in / 340 mm
Height (H)2.36 in / 60 mm
Signal Processing
Pass-Through Preamp OutputNone
Source Channel Selection for PreOutsN/A
Remote Level ModesN/A
Channel Input Mode SwitchYes (2/4 ch.)
Remote Level ControlNo
Filter Defeat FunctionYes
Detented, Calibrated Filter Freq. PotentiometersYes
Filter Frequency Range50 Hz - 5 kHz
Filter Slope(s)12/24 dB/octave
Filter Mode(s)Low-Pass or High-Pass
General Specifications
Fuse Rating40 A (AFS, AGU or MaxiFuse™)
Min.Copper Power / Ground Wire Gauge4 AWG wire
Input Voltage Range @ RCA InputsSwitchable from 200 mV - 2 V RMS (Low) to 800 mV - 8 V RMS (High)
THD+N @ Rated Power<0.03% @ 4 Ω per Ch.
Damping Factor @ 4 Ω>300 / 50 Hz
S/N Ratio, referred to 1 W>89.5 dB (A-weighted, 20 Hz - 20 kHz noise bandwidth)
Rated Continuous (RMS) Power @ 14.4 V
Bridged @ 8 Ω150 W RMS x 2
Bridged @ 4 Ω150 W RMS x 2
Rated Continuous (RMS) Power @ 12.5 V
@ 4 Ω75 W RMS x 4
@ 3 Ω75 W RMS x 4
@ 2 Ω75 W RMS x 4
@ 1.5 Ω75 W RMS x 4
Bridged @ 8 Ω150 W RMS x 2
Bridged @ 4 Ω150 W RMS x 2
General Specifications
Frequency Response5 Hz - 30 kHz (+0, -1dB)
S/N Ratio, referred to highest rated power>108.5 dB (A-weighted, 20 Hz - 20 kHz noise bandwidth)

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