DS18 X1 Ultra Compact Monoblock Class D 1-Channel Car Amplifier 900 Watts Amazing power and an amazing small footprint is what the DS18 X1 amp is all about. This tiny amp packs a powerful punch all while fitting in the palm of your hand! It is a perfect selection for audiophiles cramming audio in tight spaces. For example, you can fit multiple X series amps in most motorcycle fairings powering an entire system all while safely tucked away