B3 100W Subwoofer Digital Power Amplifier Board NE5532 8-25V Double Track

B3 100W Subwoofer Digital Power Amplifier Board NE5532 8-25V Double Track

Descriptions:
- Power connector is a standard 5.5MM power jack, and most of the same notebook power
- Power Range: 8-25V
- Digital amplifier can do subwoofer plate amplifier with a pre-match buffer op amp NE5532
- The United States TI company is using the new high-performance TPA3116D2 amplifier chip as the core, a single power supply 8-25V DC wide working voltage, maximum 50W (left channel) + 50W (right channel) two-channel output, efficiency as high as 90%. You can use switching power supply, laptop power supply, battery or vehicle power supply,ect.
- Overall size: 68.5X33X90mm (excluding knobs and rear terminals)
- When you turn left to the bottom,you shut up the ampilifier.
- Colour:Black / Titanium color,please let us know which colour you want.

Note:Sufficient input power is provided when the audio input and the supply voltage/current is sufficient.
The relative power will be greater if the power supply voltage is higher. Different impedance speakers will have different output power.
In the case of sufficient voltage and current, the larger the horn number, the smaller the relative sound power.

Warning:
- The following is the normal operation:Connect the external power supply for external power supply and digital amplifier.Connect 220V power line to the electrical outlet.
- If the voltage is less than 12V,you still want to get strong power,you can add booster board to improve the voltage.Then the power and timbre will be better.

Package List:
- 1 x B3 100W Subwoofer Digital Power Amplifier Board NE5532 8-25V Double Track