eBay

High Power Ultra-Small Two-Channel 3W Usb-Powered Mini Digital Amplifier Board

[3 x 2] 6W of power at 5V input.

The power supply is recommended to take the USB-5V or a single lithium-powered.

Power: 3.6 to 5.5V, single-cell lithium battery or USB power supply suitable and can also be used four 1.2V battery-powered, when use transformer power supply, be sure to add a 5V regulator circuit, more than 5.5V chip will burn.

Power supply: direct current (DC ):3.6v5.5V.

Output power:3W+3W (4 Euro ).

Signal to noise ratio:90dB.

Efficiency: >90%.

Size:24*15.5*mm size:20mm positioning holes spaced aperture:2mm.

Note.

1: the power positive and negative electrodes cannot be reversed, the supply voltage does not exceed5.5V, these two contrary will cause IC damage.

2: the film has high gain buffer, can not change the board of any element parameter, does not correspond to the parameters will lead to IC damage.

3: Please input line with shielding line, can play a role of anti interference, eliminate the clutter current sound.

4: the output for the CMOS BTL driver around the horn pipe, negative cannot be connected together, which is connected with a horn4 lines are completely independent, does not allow access.

Wed, 22 Jun 2022 12:56:33 GMT 637915281938975068 5C39737447DA64EA

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