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The Tinysine TSA2210 is a ready-to-integrate stereo Bluetooth audio amplifier kit designed for both manufacturers and DIY enthusiasts looking to build their own active speaker or compact audio system. It is based on a Class D architecture using the Texas Instruments TPA3110D2 chip and directly integrates a Bluetooth 4.0 receiver, enabling wireless audio streaming from a smartphone, tablet, or computer. The module delivers 2x8W of output power and can drive 4Ω or 8Ω passive speakers. The kit includes the TSA2210 amplifier board, a physical volume control knob, a waterproof green front-panel LED, and a connection cable. Operating from a 10.3V to 16V DC power supply (12V recommended), it can be powered either by an AC adapter or directly from a 12V battery.
The TSA2210 kit comes with all the components required for quick integration:
This turnkey solution provides an excellent foundation for compact DIY Bluetooth speakers, embedded audio systems, or any project requiring simple and efficient stereo amplification.

The module directly integrates Bluetooth 4.0 connectivity, allowing wireless music streaming from most compatible mobile devices and computers.
Once powered on, the module appears under the name "BT Speaker" when searching for Bluetooth devices. Pairing is performed without a PIN code, greatly simplifying setup. The Bluetooth device name can also be customized using a compatible programmer.


Unlike many compact Bluetooth modules, the TSA2210 features hardware-based volume control thanks to the potentiometer included in the kit.
Turning the knob directly adjusts the volume level, while pressing it turns the amplifier on or off. Volume can also be controlled from the connected Bluetooth device, providing great flexibility in use.

| 1 | Amplified output via screw terminal |
| 2 | 12V DC power supply screw terminal |
| 3 | PCB connector for potentiometer |
| 4 | LED indicator screw terminal |
| 5 | Bluetooth |
Technical Specifications
| Specifications | |
|---|---|
| Product type | Amplifier kit |
| Amplifier chip | TPA3110D2 |
| Input | Bluetooth |
| Output | Screw terminal |
| Output power | 2x8W @ 4 ohms |
| Input impedance | 30Kohms |
| Input sensitivity | 0.283V |
| Gain | 26dB |
| Recommended impedance | 4-8 ohms |
| Frequency response | 20Hz-22kHz |
| General | |
|---|---|
| Power supply | 12V DC (10.3V-16V DC) |
| Standby current | 0.12mA @ 12V DC |
| Dimensions | PCB: 4.8 x 8cm |
| Package contents | 1x TSA2210 Bluetooth amplifier board 1x Multifunction volume control knob 1x Waterproof green front-panel mounting LED 1x Connection cable |
| Input | Bluetooth |
| Output | Screw terminals |
| Channel | 2 (Stereo) |
| Class | Class D / T |
| Amplifier chip | TPA3116D2 |
| Power (W) | 8.0 |