Product Description
Hard PCB Bass Sound Digital Professional Audio Bluetooth Speaker TPA3116 Chip NE5532 AMP 2X 50W Subwoofer 100W Amplifier Board
The amplifier board with two TPA3116 digital amplifier chip as the core,One do a left and right channel power amplifier, and the other bridge driver subwoofer, with small size, high efficiency, high power characteristics. Regardless of the cost of materials, original TPA3116 D2 chip, SMD chip devices, and so on. Board circuit is simple, reliable work. Operating voltage 12V-25V. Left and right channel output 50WX2, subwoofer output 100W, efficiency can reach above 90%. You can use the laptop switching power supply, also very suitable for battery-powered devices, such as motorcycles, cars, electric cars, etc. Compact board, use and installation are very flexible and convenient. All use genuine components using devices capable of long-term stability.
Features:
support analog signal input and Bluetooth signal input, Bluetooth input priority
NE5532 op-amp, expensive red ring inductance
high-power digital 2.1 Channel, Output power 50W + 50W + 100W
very suitable for do as household amplifier or car amplifier
the potentiometers from left to right: STEREO, BASS and TOTAL volume
Operating voltage: 12V-25V (recommended to use 18-24V/4A above power supply)
PCB Size: 84.5X100mm / Net weight: 0.14Kg
2.1 Channel BASS amplifier board advantages:
left and right channel full-range output, at rated voltage of 24V state can drive 3-16Ω speakers, a very wide range.
Subwoofer at rated voltage 24V state can drive 2-16Ω subwoofer
Subwoofer gain independent adjustment
Use note:
The switch on the panel is low power mute switch, really cut off the power need to unplug the power adapter, LED lights only represent powered access.
Package:
1 x Assembled board
Audited Supplier 
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