For a higher end amplifier, look at the PA500.4 or the PA1100.5. This model is CEA-2006 Compliant, providing accurate power ratings. The PA250.4 comes with mounting hardware, including rubber isolation grommets and extra fuses. Made of anodized extruded brushed-aluminum, it weighs 10 pounds. The end caps are made of cast aluminum and are removable and the cover plate design hides all the wiring. The logo is in solid aluminum and comes with cobalt blue back lighting. An optional LED light bar or cooling fan can be installed. This unit can be set up as a 4-channel, dual bridge-mono in 2 channel or dual simultaneous stereo/mono.