Audio Stereo Amplifier Bluetooth~compatible Dial Power Amplifier Board Audio Component Adjustable High R2LC

Audio Stereo Amplifier Bluetooth-compatible Dial Power Amplifier Board Audio Component Adjustable High R2LC and high qualityFeatures:Stereo audio, it is wide frequency response, high efficiency, low distortion and low noise, the sound effect is good.Designed with a volume potentiometer, you can easily turn the voice high and down.With power supply re connection for protection，short-circuit for protection and over-heat for protection.Wide supply voltage and two audio input modes, more efficient.e control es it more easy to use, very convenient.Specification:Material: circuit boardsSize: app.55 x 38 x 18cm/21.65 x 14.96 x 7.09inColor: shownQuantity: 1 PcProduct s:Product Model: XY-P40WSupply voltage: DC: 8~24VBluetooth-compatible version 5.0Connect distance: 15 meters(visible)Output mode: StereoOutput power: 20W x 2 @12V 4Ω30W x 2 @16V 4Ω30W x 2 @21V 8Ω40W x 2 @24V 8ΩSpeaker selected(40W~200W): 4Ω(5-16V supply)8Ω(5-24V supply)Operating instruction:1. Ar connecting the power supply, the blue LED is on, and it goes into Bluetooth-compatible mode, waiting for pairing ar playing the Beep;2. Turn on phone Bluetooth,"XY-P40W"will be searched and display; he "XY-P40W",it will connect to the board. It connects succefully with a Beep;3. Ar this you can for play the music. The amplifier board will prepare for the pairing with a Beep.Caution:1. Keep a safe distance away from to avoid WIFI interference2. 5-24VDC is recommended; upper than 26V, it will be damaged.3. Driving 4Ω load, power supply must be under 16V; and driving 8Ω load, supply must be under 24V.4. The supply current must be 2A at least.5. The line connecting speaker with module should be within one meter.6. ESD for protection, please release ESD on your hands before you contact the module.7. 40W and upper power speakers is recommended.Note:No retail package.Please allow 0-1cm error due to manual measurement. pls e sure you do not mind before you bid.Due to the difference between different monitors, the ture may not reflect the actual color of the item. Thank you!Package Includes:1 x Bluetooth-compatible Amplifier Board1 x e Control1 x User Manuel