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JL Readies Class D Car Subwoofer Amp

Miramar, Fla. – JL Audio plans
first-quarter shipments of the second Class D car-audio amplifier in its
five-SKU JX series.

The JX500/1D 500-watt monoblock amp at a
suggested $329 replaces a Class A/B version to increase efficiency and reduce
size. It joins the JX1000/1D 1,000-watt Class D monoblock amp and three Class
A/B amps. Those consist of a 250-watt monoblock amp, a 2×1800-watt amp, and a
4×90-watt amp. Ratings are RMS into 2-ohm loads.

 The new JX500/1D is 43 percent smaller than
the model it replaces and delivers 300 watts RMS into 4 ohms, 400 watts into 3
ohms, and 500 watts into 2 ohms with a frequency response of 10Hz to 150Hz, a
damping factor of >1,000 @ 4 ohms, and dimensions of 2.09 inches by 7.68
inches by 7.83 inches.