JL Audio Slash v2 Series 1000/1v2
JL Audio’s Slash v2 amplifiers aren’t just powerful, they’re smart. As your battery voltage fluctuates while you drive, the Regulated, Intelligent Power Supply™ system maintains steady, consistent power at any impedance between 1.5 
and 4 ohms and at any voltage between 11 and 14.4 volts. You’ll get all the power, all the time, even with a wide range of speaker combinations.
The 1000/1v2 mono amplifier puts out 1,000 watts RMS of clean power to your subwoofer system, and JL Audio’s patented Class-D amp circuitry keeps a tight rein on cone movement. The cast aluminum heatsinks dissipate heat quickly, giving these amps long lifespans and reliable operation. You can stack multiple Slash v2 amps, saving you valuable space in your trunk or cargo area.
JL Audio has been specializing in car audio products since 1975 (national distribution of JL’s subwoofers began in 1992), and it goes without saying that JL Audio has long been considered a major player in the subwoofer marathon that we have been witnessing for the past years. Known for their innovative engineering approach to speaker design, JL Audio has produced some very real improvements in subwoofer technology. They were among the earliest companies to use layered voice coil windings beyond four layers, and their patented vented reinforcement collar (VRC) that greatly strengthens the critical bond between the voice coil former, spider and cone was also a smart idea for its time.
The 500/1 is a single-channel, class D subwoofer amplifier with a power rating of 500 watts into any load between 1.5 ohms and 4 ohms. Features include the Regulated Intelligent Power Supply, which is responsible for the single power rating, differential inputs, buffered preamp outs, internal crossovers with variable cutoff frequencies and selectable slopes, a parametric bass boost circuit with wired remote, and a variable infrasonic filter. And for the best deal on the net go HERE!
The 250/1 is a dedicated subwoofer amp with serious power, design flexibility, and control. A built-in crossover determines which notes the subs handle, and variable bass boost lets you kick up the low (48 Hz) bass notes.