4 x 100W Bluetooth 5.1 DSP Audio Amplifier Board - TSA8814
20 or more $70.00
TSA8814 is a 4x100W Stereo Bluetooth 5 audio amplifier board. It has perfect class-D architecture(Based on TPA3221) and each channel has maximum 100W power output. All channels are capable of outputting nominal power simultaneously and continuously. This board can be powered by any DC12V-30V power supply. It can be used to drive any 2Ω~8Ω passive speakers. Bluetooth output I2S signal to the DSP chip and Aux in signal be connected to DSP chip directly.
It's a 2 channels amplifier board. You can pair it with a mobile phone or a computer (etc). Power the amplifier board. Use your phone or PC (etc) to search for a new Bluetooth device. The module will appear as "TSA8814". You don't need a PIN, pair it and then you can play music.
The highlight point is ADAU1701 DSP chip on board. It has a default DSP program loaded. Customers can adjust the gain, bass, midrange and treble in the DSP program. It also has a debug port for Sigima Studio and user can program this module with our USBi programmer to get more functions that include equalization, crossover, bass enhancement, multiband dynamics processing, delay compensation, etc. TSA8814 has Apt-X and TWS supported. Therefore, Users can stream audio to 2 paired amplifier boards at the same time wirelessly. If you change the Bluetooth firmware to Party mode firmware, You will be able to have many TSA8814 boards paired and work together. TSA8814 can remember the pairing info. You don't need to pair them each time after you turn the amplifier board on. This make it possible to build a wireless surround sound system by using the TSA8814.
Volume control POT port:
There is an Ext POT port on the board. You can connect external POTs (5K~20K) to control the Main volume,treble,middle and Bass. You need to update the DSP program first. DSP program (with external POTs). This is our POT kit
- ADC0- Main volume.
- ADC1- Bass volume.
- ADC2- Middle volume.
- ADC3- treble volume.
DSP programming port:
User can load a new DSP program by using the USBi JTAG Sigma DSP programmer
The default DSP program can automatically select the Line in /Bluetooth audio and output to the amplifier chips. Bluetooth audio signal has a higher priority.
2 boards work in TWS mode. You can also build a wireless subwoofer system.
- S1 - Long press 6s clear the pairing info.
- S1+S2 - Long press 1s into TWS slave mode.
- S1+S3 - Long press 1s into TWS master mode.
- S2+S3 - Long press 1s disconnect TWS connection.
Specification:
Specifications typical @ +25℃, Powered by 24V DC, unless otherwise noted. Specifications subject to change without notice.
| Parameter | Condition | Min | Typ | Max |
|
Supply Voltage (VDC) |
- | 10 | 24 | 30 |
| Power output per channel | RL= 3Ω, 10% THD+N | 112W | ||
| RL= 4Ω, 10% THD+N | 105W | |||
| RL= 3Ω, 1% THD+N | 100W | |||
| RL= 4Ω, 10% THD+N | 88W | |||
| 200W channel: RL= 2Ω, 1% THD+N | 208W | |||
| THD+N | 1W | 0.02% | ||
| SNR | A-weighted,Gain= 18 dB | 108dB | ||
| DNR | A-weighted,Gain= 18 dB | 109dB | ||
|
Minimum Load Impedance |
3Ω |
4Ω |
||
| Gain | 18dB | 24dB | 34dB | |
| Efficiency | 100W @ 4Ohm | 90% | ||
|
Input Impedance |
18dB | 48KΩ | ||
| 24dB | 24KΩ | |||
| 30dB | 12KΩ | |||
| 34dB | 7.7KΩ |
Features:
- Size: 13.5cm x 9.2cm x 3.5cm
- aptX, aptX Low Latency, SBC and AAC
- ADAU DSP integrated
- Bluetooth 5.1
- I2S Sampling Rate: 48KHz
- Working voltage: DC12V-30V
- TWS firmware: aptX, aptX-HD, SBC and AAC
- Party mode firmware: SBC
- TWS or Multi-point connection
- Up to 100 boards can be linked together.(Party firmware)
- Effective transmission distance: 80-100m
- Smart cooling system
- Over/under voltage protection
- Over current protection
Documents:
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