Micro Fit Amp 
 
Overview
With the Micro Fit 4.0, the name says it all: The high-power Class D amplifier with four channels is ultra-compact and can even be accommodated in the smallest of places in a car. Despite this, there is certainly no lack of performance, with the Micro Fit 4.0 delivering a maximum of 100 watts per channel at 4 ohms. Installation is very easy via Plug&Play, with a 100 cm ISO adapter cable provided as part of the package. The compact unit also looks good, with the designer aluminium heat sink embellished by an engraved Mac Audio logo and an exquisite hairline surface. The Micro Fit 4.0 is is equipped with an RCA output and remote signal for connecting a subwoofer amplifier. The range of features also includes a protective circuit against short-circuiting, DC offset and overheating, of course.
 
Documentation Owner's manual