Bảng mạch khuếch đại âm thanh bluetooth 2.1 kênh TPA3116 tại Lotte Market

Giới thiệu Bảng mạch khuếch đại âm thanh bluetooth 2.1 kênh TPA3116 tại Lotte Market

#TPA3116 #Subwoofer #Amplifier #Board #2.1 #Channel #Bluetooth-compatible #Power
TPA3116 Subwoofer Amplifier Board 2.1 Channel Bluetooth-compatible Power
100% brand new and high quality
Features:
This is a DC-powered 12-24V power supply, using TPA3116D2 high-performance digital power amplifier chip as the core, one to do parallel bridged bass channel power amplification output, one to do left and right channel power amplification output. Support 100W (bass channel) + 50W (left channel) + 50W (right channel) three-channel output.
Support Bluetooth-compatible reception, external voice frequency input interface, with preamplifier, bass crossover processing; bass volume, bass frequency, left and right channel volume, treble, function control switch / total volume, 5 adjustment potentiometers.
Wide working voltage, energy-saving design, efficiency up to 90%. You can use a good performance switching power supply, laptop switching power supply, you can also use a charging bottle, or car power supply, etc.
The board is a finished board that has been soldered and tested. Connect the speaker box according to the picture, connect the appropriate power supply, connect to the Bluetooth-compatible device to play, or connect the sound source input correctly.

Specifications:
Product name: Power Amplifier Board
Operating voltage range: DC 11-25V (current 3-4A, or 19-24V / 4-5A, such as high power requirements 20-24V / 8-9A above)
Note that the DC no-load voltage should not be greater than 25.5V.
Bluetooth-compatible receiving distance: less than 8 meters
Voice frequency input sensitivity: 600-800mV
Frequency response range: 20Hz-20KHz
Speaker impedance: left and right channel speakers: 4-8 ohm, bass speaker impedance: 2-8 ohm
Material: Metal+silicon+ABS
Size: app.101x100mm/3.98x3.94in
Color: As pictures shown
Quantity: 1set

Note:
Please allow 0-1cm error due to manual measurement. pls make sure you do not mind before you bid.
Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you!

Package includes:
1 x Power Amplifier Board
Some Accessories (other accessories demo in the picture is not included.)