Miramar, Fla. – JL Audio announced a line of five HD
amplifiers that feature the company’s NexD technology.
The NexD technology, JL Audio said, is a suite of switching amp
technologies that combines audio quality with efficiency and less complexity
than its flagship HD amp’s Single-Cycle Control technology.
Three models are currently shipping: the XD600/1, XD400/4 and
The XD600/1 is a 600-watt, Class D Monoblock subwoofer amp with
1×400 watts into 4 ohms. It carries a $449 suggested retail.
JL Audio said the XD600/1 is 33 percent smaller than the
comparable HD750/1 and 61 percent smaller than the 500/1v2.
The XD400/4 is a Class D two-, three- and four-channel amp that measures
8.52 inches by 7.09 inches by 2.05 inches. It delivers 4×75 watts into 8 ohms
per channel, JL said, and it also has a $449 suggested retail. It is 33 percent
smaller than the company’s comparable (but more powerful) HD600/4 and 61 percent
smaller than the 300/4v2, according to JL Audio marketing VP Manville Smith.
The third model currently shipping, the XD600/6, is a Class D
three-, four-, five- and six-channel amp that measures 10.23 by 7.09 by 2.05
inches. It delivers 6×75 watts into 4 ohms per channel. Suggested retail is
The two remaining models in the line will be the five-channel
XD600/6 ($599) and two-channel ($329). The former will delivery 4×75 watts and
1×300 watts, and the latter will deliver 2×200 watts. Both will be available in