Yeeco&reg; Micro DC12V Digital Audio Power Amplifier 10W+10W 2.0 Dual-channel Stereo Amp Board Amplify Module Class-D Amplifier for PC Speaker Car Auto Motor Automotive Vehicle Motorcycle No filter, low static current, EMI, power consumption and heat generating. LED power supply indicator, power supply switch and mute switch Operating voltage: DC7.5-15V, recommended power supply: DC12V Over-current, temperature, short-circuit protection, hence safe for use. Low quiescent current, ultra low EMI, with off / mute function