aluminum alloy
TPA3116D2
Support AUX input
DC12~24V power supply
Name: Audio amplifier board
Function type: Amplify audio
Model: ×H-M541
Chip model: TPA3116D2*1
Output channel: 2
Power supply voltage: DC12~24V
Standby current: about 40mA
Output power: 60W+60W (4Ω)
Power efficiency: more than 90%
Size: 125*75*30mm
Weight: 195g
★FAQ★
1. Why is there no noise if the front stage is not connected, and noise will be generated when it is connected?
Answer: In this case, most of the problems appear on the front board. First, check whether the front board and the rear power amplifier board are powered by two power supplies separately. Some front boards are powered separately and have noise, and some do not need to be tested separately. a bit. If there is noise in both cases, add an audio isolator between the front-end board and the back-end power amplifier board to see if it can be removed.
2. When the volume is turned up, the sound will be stuck, intermittently, and it can be played normally after the volume is turned down.
Answer: One of the reasons: due to the low power of the power supply, the total output power of this power amplifier board is 120W. When selecting the power supply, the recommended voltage is DC24V and the current is about 5A. Reason two: If the power supply is ok, it may be that the power of the speaker is too low. For example, if the output is 60W, but a 10W speaker is connected, and the volume is turned on, the phenomenon of freezing will occur, and the speaker may be burned out.
3. There is too much noise when playing music, or there is a bottom noise when no music is played.
Answer: The function of the power amplifier board is to amplify the signal. The main source of noise is that the radio clutter in the environment is amplified by the power amplifier board, so as long as it is the power amplifier board, there will be noise. Therefore, try to use the audio cable with shielding function. It is also possible that the sound source is noisy. Normal mobile phones and MP3 will not have it. Most of them are on some old front-end boards and are not compatible with our company's power amplifier boards. You can add audio isolators or coupling capacitors to test. Cannot be removed.
