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Find here a selection of useful and/or essential accessories for this product. These are specially selected by the Audiophonics team according to the characteristics of the product.
The TinySine TSA7804B module is a four-channel Class D amplifier board with integrated DSP and Bluetooth receiver. Its TPA3116D2 chip is capable of developing 4x50W power at 4Ω, and can be used to power any 4Ω or 8Ω passive loudspeaker. Power supply is from 12V to 24V DC.
Thanks to its Bluetooth receiver, the TSA7804B can be paired with a smartphone, tablet or computer. So you can stream your music wirelessly, simply by pairing your Bluetooth device with the TSA7804B module. The aptX codec is supported for high-quality wireless sound reproduction. What's more, the TWS protocol enables two modules to be paired together..
The highlight of this TinySine TSA7804B module is its integrated ADAU1701 DSP chip. This means you can adjust the equalization for each channel separately.
| 1 | Bluetooth status LED |
| 2 | Suppl yinput on screw terminals or Jack DC |
| 3 | Bluetooth module |
| 4 | External buttons port |
| 5 | Volume poentiometer port |
| 6 | DSP programming port |
| 7 | Speaker output |
Port for external buttons:
The module incorporates 3 buttons to control volume, play/pause functions, etc. You can connect external buttons easily using the dedicated port. The pinout of this port is as follows (refer to the silkscreen on the back of the module for correspondence):
Activate AUX input:
The default DSP program mixes RCA and Bluetooth audio signals and transmits them to the amplifier. If you wish to manually select RCA or Bluetooth input using a switch, you can connect an external switch to this port and load a different DSP program.
Port for volume potentiometer:
You can use an external 10K potentiometer to control the volume level.
DSP programming port:
You can load a new DSP program using the TinySine USBi JTAG programmer (sold separately). he default DSP program mixes the RCA and Bluetooth inputs before redirecting them to the HP output. You can use the DSP program to make the audio source selectable using an external switch (sold separately).
Two TinySine TSA7804B modules can work together in TWS mode. The pairing controls are as follows:
Technical characteristics
| Specifications | |
|---|---|
| Product type | Amplifier module |
| Number of channels | 4 |
| Output power | 4x50W @ THD+N 10%, 4Ω, 21V 4x30W @ THD+N 10%, 8Ω, 24V 4x18W @ THD+N 10%, 4Ω, 12V 4x100W @ THD+N 1%, 2Ω, 24V |
| Amplification chip | TPA3116D2 |
| Bluetooth chip | Qualcomm QCC3008 |
| Bluetooth version | 5.0 |
| Supported Bluetooth codecs | SBC, AAC, aptX, aptX LL |
| Supported sampling rates | PCM up to 48Hz |
| THD+N | 0.03% à 4Ω, 1W, 1kHz |
| Frequency response | 20Hz - 20kHz @ ±3dB |
| Input impedance | 22kΩ |
| Minimum load impedance | 3.2Ω |
| Gain | Min : 18dB Typ : 24dB Max : 34dB |
| Efficiency | 92% à 50W, 4Ω |
| Protections | Over voltage Under voltage Over current Over temperature |
| General | |
|---|---|
| Suuply voltage | 12V-24V DC |
| Dimensions | 13.55 x 9.2 x 3.4cm |
| Input | Bluetooth |
| Input | RCA |
| Output | Speaker terminal |
| Output | Screw terminals |
| Channel | 2 (Stereo) |
| Class | Class D / T |
| Amplifier chip | TPA3116D2 |
| Power (W) | 50.0 |
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