The MAX9789A evaluation kit (EV kit) is a fully assembled and tested circuit board that evaluates the MAX9789A IC. The MAX9789A combines a stereo 2W Class AB speaker power amplifier, a stereo 85mW DirectDrive™ headphone amplifier, and a 120mA low dropout (LDO) linear regulator in a single device. The MAX9789A is designed for use with the Windows Vista™ operating system and is fully compliant with Microsoft’s premium mobile Vista specifications.