Features: 100% Brand New Mini Amplifier Board 10W+10W Class D Amplifier DC 12V Use PAM8610 chip PAM8610 chip is 10W (per channel) D-level stereo audio amplifier. It has over current / temperature / short circuit protection. It is NOT acceptable to connect the - outputs of the L !#!amp!*! R speakers together. Perfect sound quality Specifications: Work: D Class Power: 10W Operating voltage: 8v-12V DC Can drive speaker: 10W-15W (4-8) PCB board size: 40 x 40 x 19mm Package includes: 1 x Board