J&M Audio Rokker 330 Watt 2 Channel Amplifier Kit for 2006-2013 Harley-Davidson Electra Glide, Street Glide & Trike models - JAMP-330HC06 Complete kit includes 330 Watt 2 Channel Amplifier, Mounting brackets, fasteners, wiring harnesses and complete instructions. This Class "D" 2 channel amplifier puts out 165 watts of power per speaker at 2 ohms rating. This Amplifier measures 7.25 X 4.75 X 1.75 No Radio Software Flash is needed for this amp to work correctly. Fits all 2006-2013 Harley-Davidson Electra Glide, Classics, Ultra's, Street Glide and Tri-Glide Trike models.