JL Audio HD600/4 4 Ch. Class D Full-Range Amplifier, 600 W

4-Channel Class D Full-Range Amplifier, 150 W x 4 @ 1.5-4 Ω

This compact multi-channel powerhouse employs our Single-Cycle Control switching design and R.I.P.S. technology to deliver 150 W x 4 or 300 W x 2. Tight power supply regulation keeps distortion down and maximizes sound quality.

When using the HD750/1 or HD1200/1 to drive a subwoofer system, the HD600/4 is the ideal satellite amplifier, delivering huge dynamics with pristine resolution. From a pure sound quality perspective, we invite you to compare the real-world, in-car performance of this amplifier to any other amplifier on the market, of any type, at any price.

It can also be deployed on its own as a very capable 3-channel system amplifier with 150 W x 2 to the satellites and 300 W x 1 to a subwoofer system.

This amplifier features a brushed aluminum finish with black powder-coated cast alloy heat sinks and bottom panel. A black powder-coated, gasketed cover is also provided to protect the controls.

@ 4 Ω	150 W RMS x 4
@ 3 Ω	150 W RMS x 4
@ 2 Ω	150 W RMS x 4
@ 1.5 Ω	150 W RMS x 4
Bridged @ 8 Ω	300 W RMS x 2
Bridged @ 4 Ω	300 W RMS x 2

 

Rated Continuous (RMS) Power @ 12.5 V

@ 4 Ω	150 W RMS x 4
@ 3 Ω	150 W RMS x 4
@ 2 Ω	150 W RMS x 4
@ 1.5 Ω	150 W RMS x 4
Bridged @ 8 Ω	300 W RMS x 2
Bridged @ 4 Ω	300 W RMS x 2

 

General Specifications

Frequency Response	6 Hz - 30 kHz (+0, -1dB)
S/N Ratio, referred to highest rated power	>110 dB (A-weighted, 20 Hz - 20 kHz noise bandwidth)
S/N Ratio, referred to 1 W	>88.2 dB (A-weighted, 20 Hz - 20 kHz noise bandwidth)
Damping Factor @ 4 Ω	>300 / 50 Hz
Damping Factor @ 2 Ω	>150 / 50 Hz
THD+N @ Rated Power	<0.03% @ 4 Ω per Ch.
Input Voltage Range @ RCA Inputs	Switchable from 200 mV - 2 V RMS to 800 mV - 8 V RMS
Min.Copper Power / Ground Wire Gauge	4 AWG wire
Fuse Rating	50 A (AFS, AGU or MaxiFuse™)

 

Signal Processing

Filter Mode(s)	Low-Pass or High-Pass
Filter Slope(s)	12/24 dB/octave
Filter Frequency Range	50 Hz - 500 Hz
Detented, Calibrated Filter Freq. Potentiometers	Yes
Filter Defeat Function	Yes
Remote Level Control	Optional (HD-RLC)
Remote Level Modes	2 or All Channels
Channel Input Mode Switch	Yes (2/4 ch.)
Pass-Through Preamp Output	Buffered
Source Channel Selection for PreOuts	Yes

 

Physical Specifications

Height (H)	1.93 in / 49 mm
Width (W)	10.74 in / 273 mm
Depth (D)	7.85 in / 199 mm

HD600/4 Product Manual