Digital Power Amplifier Board TPA3118 PBTL Channel Stereo Aux Mono 60W Power AMP Module 4.6x3.5cm/1.81x1.38inOOTDTY  Features: brand new and high qualityThe sound quality is very good using this module.Mono digital amplifier chip.High output and low power consumption.Applicable speaker impedance: 4-8 ohms (8 ohms is the best).The amplifier uses a high-performance filter that can output high-quality soundSpecification: Type: TPA3118 Power:8~24V DCChannel: SingleOperating Voltage: DC8-24VOutput Power: 60WPCB-Board Size: approx 46x35mm/1.8x1.4inWeight: 20gPackage Includes: 1 x Digital Power Amplifier Boardnote: Due to the problems of lighting effects and shooting angles, there will be certain tolerances in the product, please understand.Please allow 0-1cm error due to the manual measurment.