JL Audio HD600/4 Amplifier

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What's Inside?
•Four-channel class-D full-range amplifier
•Power/Ground/Turn-On plug
•2 Speaker connection plugs
•4 Mounting brackets
•2mm Allen-wrench
•2.5mm Allen-wrench
•3mm Allen-wrench
•3.5mm Allen-wrench
•4mm Allen-wrench
•5mm Allen-wrench
•4 Mounting bolts
•Owner's manual

Single-cycle Control Switching Design
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.

Gasketed Cover is Also Provided to Protect the Controls
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.

Variable High and Low-pass
It comes with variable high and low-pass and subsonic filter controls for signal processing features and can be changed from a 2-channel input mode to a 4-channel input mode. It also has differential-balanced inputs to reduce the noise induced by audio cables and your car's electrical system.

Extensive Frequency Range Capability
The HD600/4 can handle a power output of 150 Watts RMS per channel at 4 ohms and 300 Watts RMS per channel if bridged. With a frequency response of 6 Hz up to 30 kHz, the amplifier really has extensive frequency range capability that is perfect for full-range audio systems.