Brand: Parts Express. MPN: 120-195. Get more wattage from your amplifier boards that can handle up to 19.5 VDC with this 3.33A AC adapter. Replace your lost or damaged laptop power supplies that require fewer than 90 watts. Key Features: Standard 2.1 x 5.5 mm tip positive plug. 19.5 VDC powers Bluetooth and other amp boards that draw less than 3.33A. FCC certified and ETL listed for safety. Certified level VI for standby power savings.