JL Audio HD600/4 HD 4 Channel Amplifier
JL Audio 4 x 150 RMS 4Ω
( JL Audio HD6004)
- Australian JL Audio Warranty
- Purchase Guarantee (see T&C's)
- JL Audio HD600/4 — Class D 4-channel amplifier.
- 150 W x 4 or 300 W x 2 RMS with R.I.P.S. tech.
- Low distortion, high efficiency, pristine sound.
- Compact design with brushed aluminum finish.
Overview
The JL Audio 4 x 150 RMS 4Ω amplifier is a versatile powerhouse designed to deliver clean, detailed sound across multiple channels. Perfect for full-range speaker systems, it provides consistent power with minimal distortion. Using advanced switching technology, this amp ensures efficient operation and balanced output. Its compact chassis and intelligent thermal management make installation simple and performance stable. Each channel delivers 150W RMS for dynamic, accurate reproduction across frequencies. Built with JL Audio’s renowned precision engineering, it guarantees superior sound quality, reliability, and control, making it ideal for high-fidelity car audio systems that demand clarity and power.
Key Features:
4-Channel Amplifier
Delivers clean, detailed sound across four channels, ideal for full-range speaker systems.
Power Handling
Rated at 150 W x 4 RMS (4Ω) for consistent, distortion-free performance with dynamic clarity.
Advanced Switching Technology
Efficient power delivery and balanced output with minimal signal loss.
Thermal Management
Compact chassis with intelligent cooling for stable operation under demanding conditions.
Versatile Installation
Slim, space-efficient design fits modern vehicle setups without sacrificing performance.
Premium Build
Crafted with JL Audio precision engineering for reliable, long-lasting high-fidelity audio.
| Rated Continuous (RMS) Power @ 14.4 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 |
| 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 Specification | |
| 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) | 8.29 in / 211 mm |
| Net Weight |
- 1 x JL Audio 4 x 150 RMS 4Ω
Peace of Mind Purchase Guarantee
This product is supplied via JL Audio Australia and enjoys the FULL benefits of the 'Genuine JL Audio Australian Warranty'. (You may also be entitled to other consumer warranties as provided by the Australian Consumer Guarantee and these entitlements are not limited by this warranty). In the event that this product should fail please contact our service department or you can speak with JL Audio Australia directly.
We are a FULLY AUTHORISED Australian retailer for JL Audio Australia.
Disclaimer
Due to differing operating costs associated with selling products via different marketplaces, our pricing may vary.














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