• TPA3116 Amplifier Bluetooth HiFi Power Amplifier Board 100Wx2 AUX + Bluetooth Inputs 1002 HIFI
  • TPA3116 Amplifier Bluetooth HiFi Power Amplifier Board 100Wx2 AUX + Bluetooth Inputs 1002 HIFI

TPA3116 Amplifier Bluetooth HiFi Power Amplifier Board 100Wx2 AUX + Bluetooth Inputs 1002 HIFI

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  • Price:$15.46
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TPA3116 Amplifier Bluetooth HiFi Power Amplifier Board 100Wx2 AUX + Bluetooth Inputs 1002 HIFI

Features:

- High performance, cost-effective power amplifier provides high power and high fidelity for HIFI music.
- TPA3116D2 features very high index parameters. It can reach a maximum modulation frequency of 1.2MHZ, and the distortion of high power output is less than 0.1%.
- Red-gray ring shaped inductors are specially designed for digital power amplifiers. Featuring low loss, high bandwidth and high fidelity.
- 684 film capacitors are special capacitors for audio amplifier, enabling low loss, high bandwidth and high fidelity.
- Two Input Audio Sources: Allow AUX and Bluetooth audio source input.
- A potentiometer, as a power switch and a volume control knob, makes it easy to DIY speakers.
- Copper DC female connectors and fence terminals withstand large current, generate no heat. Easy to wire and not easy to be short-circuited.
- 5.0 Bluetooth ensures higher transmission efficiency, longer transmission distance.

Package Included:

- 1 x HiFi Power Amplifier Board

Note:
- Power Adapter is required and not included. Please purchase separately. It can also be connected to a laptop power adapter.
- The power switch on the board is a standby switch. When the switch is turned off, the machine is in a low-power standby state. To turn off the power completely or not use it for a long time, please unplug the DC plug of the machine.
- Other items pictured are not included.


FAQ:
Q1: How to choose the power source?
A1: The board's power supply is critical. The higher the voltage, the greater the current and the more output power. If you only have a 12V / 1A power supply, you can use it with 3-4 inch speakers.If you use a power supply above 19V / 5A, it can match 8-10" speakers. Please pay attention to your power supply. If the voltage is too low, it will easily cause sound distortion after the sound is amplified. If the current is too small, it does not work with your speakers, and even make voltage decreased, and it will work abnormally or the sound quality will be worsened.

It is recommended to use 18V/ 19V/ 24V power supply with current above 5A. If you only have 9V/12V or 1A/2A power supply, it can also be used but the power is too small. Please note that the maximum volume may be distorted when using, which will affect the sound quality.

Q2: How to choose a speaker?
A2: The commonly used speakers are generally 8 ohms. Speakers can be positive or negative polarity, the effect is the same. 4 ohm speakers can also be used. It can also be used if your speaker power is low and between 10W-30W. A smaller power supply voltage can prevent speakers from being burned after amplifying the sound, so a power supply below 15V might be used. If you are using a 50W-300w speaker, don't worry about the speaker burning out. You can choose a 12-24V power supply. The higher the selected power voltage, the greater the sound or power that can be output.

Q3: How to choose Bluetooth or AUX audio input mode?
A3: Power on the amplifier board, connect to your speaker, rotate the volume knob, and Blue indicator is lit. Open your phone settings-Bluetooth-search for "BT-WUZHI", and then click to connect. When it connects successfully, there will be a ding dong sound. Now it is in Bluetooth mode, you can play music. It will automatically reconnect with your phone next time it is powered on.

If you want to use AUX audio input, then you can disconnect the Bluetooth connection, there will also be a sound prompt. Just insert an audio cable to play music. In AUX (LINE IN) mode, connecting to Bluetooth automatically switches to Bluetooth mode.

Q4: Why there is muddy sound when the sound becomes louder?
A4: For the sound is distorted, please change your power adapter with a higher voltage level.

Q5: Why the sound is catchy after the sound becomes louder?
A5: Due to insufficient input power, your power supply itself is intermittently protected against power failure. Please replace your power supply with a higher power. Or because of too large power, the power amp board generates heat seriously, and a thermal protection situation occurs. Please reduce the power or check if the heat sink fits well to enhance heat dissipation.

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