This is a Super mini digital amplifier board, ultra-thin, can be very convenient to place in the gap of small plastic boxes or other devices. It can obtain maximum power output at a lower voltage. It also has built-in standby electronic switch, high-gain buffer amplifier, short circuit protection, which make this module perfect for MP3/MP4/notebook.
Specification
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New efficient digital amplifier chip
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Special internal output processing circuit
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Eliminating the conventional LC network
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Using EMI
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Power supply: (DC) 3.6v-5.5V
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Output power: 3W +3 W (4 in Europe)
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Signal-to-noise ratio: 90dB
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Efficiency:> 90%
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2 channels 3W amplifier with PAM8403.
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Output is CMOS BTL driver
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Cannot change any component parameters to protect IC
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The board can also powered by 5V USB power supply or 4 x 1.5V batteries
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Dimensions: 0.91 in x 0.63 in x 0.08 in (2.3 cm x 1.6 cm x 0.2 cm)
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Positioning Holes size: Spacing 20mm
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Aperture: 2mm
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Material: Circuit board
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Color: Red
