• RMS: 400 W x 1 @ 4 ohms, 500 W x 1 @ 3 ohms, 600 W x 1 @ 2 ohm
• NexD Switching Technology
• Dual-Range Differential Balanced Input Section
• Advanced Rollback Protection
• Selectable Low-Pass Filter Slope: 12 dB or 24 dB
• Detented, Calibrated Filter Freq. Potentiometer
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This potent monoblock amplifier employs JL Audio's high-speed NexD switching design to achieve unprecedented efficiency and amazing power output in a very compact chassis. Don't let the small size fool you, though... this amplifier is capable of serious subwoofer power, delivering a full 600 W of continuous power into a 2 ohm load (14.4V, 1% THD). Targeted specifically for subwoofer applications, the XD600/1v2 includes a variable slope low-pass filter with continuously variable cutoff frequency selection from 50-500 Hz. The XD600/1v2 also features the v2 Spec feature set, which consists of automatic turn-on capability (via signal sensing or DC-offset sensing), and a dual-range differential balanced input section able to handle a wide range of input voltage levels. With the addition of an HD-RLC remote level control (sold separately), the amplifier's level can be directly controlled from the driver's seat. This amplifier features a black powder-coat finish and a gasketed, brushed aluminum cover for the controls. Its frequency response is limited to the range below 500 Hz. It is not designed for driving midrange speakers or tweeters. Every aspect of its operation has been optimized for low-frequency amplification.
JL Audio's signature Advanced Thermal Rollback protection system eliminates annoying thermal shutdown events to keep the music playing, even under the most demanding conditions. Should the amplifier reach an unsafe operating temperature, a special circuit rolls back peak power output, without changing gain, until the amplifier cools down to a safe operating temperature. The red "Thermal" LED will light to indicate this condition has been reached. Once the amplifier cools down, the circuit restores full peak power output and the red "Thermal" indicator reverts to its normal state. The operation of Advanced Rollback Protection is inaudible in most cases.
From the same minds that gave us the technology found in the 'Slash' amplifiers, JL Audio has taken the simple fixed Pulse Width Modulation design approach and enhanced it with a very high switching frequency: 240 kHz, which is about 4x higher than most Class D subwoofer amplifiers. This pushes the amplifier's bandwidth to at least 500 Hz with minimal distortion and improves efficiency, while keeping typically bulky circuity more compact. Your subwoofers will reward you with tight, rock-solid bass. These technologies allow XDv2 amplifiers to achieve efficiencies exceeding 80%, meaning far less heat and strain on your vehicle's electrical system than a conventional large amplifier.
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Overall rating distribution
By feature average rating
April 22, 2015
JL Audio XD600/1V2
The wattage rating on this description is wrong. This amp does 600w in 2 ohms, not 1000w.
I had the JX500 before this amp. The output difference between the two is only 100w, so theoretically you shouldn't be able to hear much difference, but you can. You can feel and hear the difference. If you're heart is set on a JL amp and you can afford the jump in price, the XD line are nice amps.
April 7, 2018
This little amp will get the job done. Have a 12w6v3 H.O. Wedge connected to it and it sounds great. Played it at high volume for at least 45 mins and it barely was warm. Also because of the size you can practically mount it just about anywhere. I have a 2018 300s and cut a piece of 1/4 mdf 10x14 and mounted the amp on top of the spare tire and it fits perfect!
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