Bluetooth Audio Amplifier Board XHM548 Digital amplifier board 2x120W Bluetooth Dual Channel Digital Amplifier Module Bluetooth Speaker Board

Specifications: Chip:TPA3116D2 Supply voltage:DC12-24V Output power:120W*2   Supply current:More than 3A Power ratio:More than 90% Bluetooth module:BTM835/CRS8635 (4.0 version) Transmission distance:Max 10M( without interfere) Vocal tract number:2 channel (High bass control) switching frequency:1.2MHz Appearance size:98*80*18mm Bluetooth connection method: Take mobile phone as an example 1>. Turn on Bluetooth. 2>. Open “Let all the devices around you detect your cell phone”. 3>. Click on the search device “Speaker”, to connect. 4>. Bluetooth state indicator does not blink alternately, open the player to listen to music. Application: 1>. Connected mobile phone and computer 2>. Home Theater 3>. DIY audio   Using Attention: Please do not connect the power and the speaker freely. Please refer to the data provided by the product description for reasonable collocation. Otherwise, the function board will be damaged.   Warm tips: Power amplifiers can be noisy in some cases.  Hardware problem: The power supply is unstable, or the power supply module generates interference. The influence of switching power supply as power supply. Using transformer power supply, do not do shielding isolation. There are electromagnetic interference in the use of the environment. The audio input device itself has problems.