4 x 100W Class D Bluetooth Audio Amplifier Board – TSA8498B(Apt-X)
₹7,316.00
This is a 4x100W audio amplifier board with a new AudioB plus Bluetooth module that supports Apt-X. It’s integrated 2xST high performance TDA7498 which support dual channel audio amplification. Each channel is capable of outputting nominal power simultaneously and continuously. This board can be powered by any DC14V-39V* power supply. Power input port can be power jack or screw terminal. The DC input jack is 2.5mm with positive core polarity, And if you use screw terminal, please pay attention to the polarity!
Description
This is a 4x100W audio amplifier board with a new AudioB plus Bluetooth module that supports Apt-X. It’s integrated 2xST high performance TDA7498 which support dual channel audio amplification. Each channel is capable of outputting nominal power simultaneously and continuously. This board can be powered by any DC14V-39V* power supply. Power input port can be power jack or screw terminal. The DC input jack is 2.5mm with positive core polarity, And if you use screw terminal, please pay attention to the polarity!
It has a smart cooling system, and the fan does not work in normal cases to reduce the noises. The fan only starts when the chip temperature > 65°C. Once the temperature goes down, the fan stops running.
It’s perfect for your Hi-Fi application, the audio source can be RCA input or Bluetooth. Compatible with all Bluetooth devices that support media audio, including iPhone,Android. Let your smartphone paired with this board, play a music. So easy!
Note: We tested it. It also works well with 12VDC power. But we suggest to use DC14V-39V power if possible.
Specification:
Following table lists all typical data of the Amp board. For full specification, please refer to the data sheet of ST’s TDA7498 chip.
TA = 25 °C, fIN = 1 kHz sine wave, RL= 6Ω, VCC = 36V. (Unless otherwise stated)
|
Parameter |
Condition |
Min |
Typ |
Max |
|
Supply Voltage (v) |
– |
14 |
36 |
40 |
|
Quiescent Current (mA) |
FAN ON,STBY Disable |
– |
90 |
– |
|
FAN ON,STBY Enable |
– |
50 |
– |
|
|
FAN OFF,STBY Disable |
– |
40 |
|
|
|
FAN OFF,STBY Enable |
|
10 |
|
|
|
Input Sensitivity (mV) |
25.6dB |
– |
1356 |
– |
|
31.6dB |
696 |
|||
|
35.1dB |
460 |
|||
|
37.6dB |
341 |
|||
|
Input Impedance (Kohm) |
– |
48 |
60 |
– |
|
Gain (dB) |
GAIN0 = L, GAIN1 = L |
24.6 |
25.6 |
26.6 |
|
GAIN0 = L, GAIN1 = H |
30.6 |
31.6 |
32.6 |
|
|
GAIN0 = H, GAIN1 = L |
34.1 |
35.1 |
36.1 |
|
|
GAIN0 = H, GAIN1 = H |
36.6 |
37.6 |
38.6 |
|
|
Output Power (W rms) |
THD = 10% |
– |
100 |
– |
|
Efficiency (%) |
Both channels output rating power. |
– |
>90 |
– |
|
Minimum Load (ohm) |
– |
– |
6 |
– |
|
Frequency Response (dB) |
±3dB |
20 |
– |
22k |
|
Operating Temperature (℃) |
– |
0 |
20 |
50 |
Features:
- Size: 15.5cm x 11cm
- Apt-X supported
- Smart cooling system
- Bluetooth 5.0
- External mute control port
- External Bluetooth/LINE IN control port
- Working voltage: DC14V-39V
- Over/under voltage protection
- Over current protection
- Over temperature protection
Applications:
- Personal computer
- Background music system
- Musical instrument amplifiers
- Home DIY
- Car audio
Documents:
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