Sell ﹍♟❆Bluetooth Dual Channel 2*120W Digital Power Amplifier Board TPA3116D2 Digital Audio Amplifier Mod best price

This product is a built-in TPA3116D2 chip with the power of 2*120W Bluetooth channel digital power amplifier board. 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 Models that support Bluetooth connectivity: Android series IOS series Windows series 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. Bluetooth module parameters: Bluetooth specification:Bluetooth V4.0 Modulation mode:GFSK,π/4 DQPSK,8DPSK Supply voltage:3.3-4.2V Bluetooth protocol:HFP V1.6,HSPV1.2,A2DPV1.2,AVRCPV1.4,DIV1.3 Working current:Less than or equal to 30 mA Standby current:Less than 50 μA Temperature range:-40 celsius to +80 celsius Wireless transmission range:10m Transmission power:Support CLASS1/CLASS2/CLASS3 Max adjustable 8d8m Sensitivity:-80dBm less than 0.1%BER Frequency range:2.4GHz-2.480GHz External interface:PIO,SPI,Audio in/out and PCM,USB Audio performance support:AAC,MP3,SBS, Stereo Audio to noise ratio:More than 75dB Distortion degree:less than 0.1% Module size:21.9*14.1*1.8mm 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. Here are some common reasons 1. 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.