The amp is stereo efficient, digital amplifier power stage for driving speakers up to 2x10W/4Ω. The high efficiency of the amp allows it to do 2x10W/4Ω without external heat sink. This module has standby and mute function, so Arduino can control it how and when it works. Features: Supply Voltage ±2.5 ~ ±11 V Audio In ±0.52V (max.)@±10V Stereo Output Power 10WRMS per channel @ ±10V, 4 Ω (for CS6A4983) Specification: Connections 3.5mm audio jack Speakers screw wire connector Power supply screw wire connector Applications Hifi Audio Power Amplifier Part List: 1 x Current Assisted Class A Linear Amplifier 2 x chip 2 x heat sink Data sheet Technical support：support@canaan-semi.com