The fully digital PDR-M65 Mono Amplifier provides powerful bass, big dynamic sound, non-shutdown performance, and easy vertical or horizontal installation. Each PDR amp is unmatched in its class for power density performance (watts per cubic cm) and damping factor. For tremendous power at all levels, with hard-hitting bass, and outstanding S/N ratios and frequency response. All the terminals are located on one side of the amp allowing easy installation anywhere in the boot or under a seat. The control panel is on the top for easy access, and the logo can be removed and turned so it always faces in the right direction.