This new JMC ROKKER® 1000XXR fairing/rear speaker amplifier kit has been designed specifically for use on the 1998-2013 Harley Ultra, Ultra Ltd or TriGlide with the stock Harley radio. (NOT for CVO Ultra) This new kit will also connect to the Boss, Jensen, Aquatics, Fosgate or Sony radios, with direct RCA-RCA connections and is easily adjustable in the field with a small screwdriver. Kit includes custom made connection harnesses and is 100% plug-n-play into the electrical system, providing 4-channels of amplification at 230w RMS power per-channel x4 (920w RMS total) into a 2-ohm speaker load. New high-efficiency Class-D IC circuitry, (no cooling fans needed) properly shielded against FM/AM radio interference. PCB is conformal coated for complete protection against water damage in the motorcycle or power sports riding environment. This ROKKER amplifier uses advanced digital switching power supply technology to dramatically reduce the 12v current demands on the motorcycle electrical system, compared to other brand amplifiers in this power range. Kit includes top quality heavy gauge power/ground wires for the fused battery connection, along with all necessary mounting hardware & complete installation/operation instructions. Amplifier is dialed-in for this specific speaker configuration, to provide maximum highway performance. Amplifier itself measures 8 ¼ x 5 ¾ x 1 ¾”.