AudioBahn A18001DT $. $529.99 Audiobahn’s most efficient amplifiers featuring heat sink, nameplate and side halo illumination will produce all of the power that your woofers can handle while not demanding a boatload of batteries.PRODUCT FEATURES: Class D Circuitry; Double Sided Glass Epoxy Circuit Board; Remote Bass Control With Blue Backlight Knobs; Variable 18dB Low-pass Crossover: