1. preamplifier for audio signal input to the amplifier amplification sound hours to do preamplification use, can provide about 10 times the amplification.
2. Suitable for all small signal audio output devices (such as mp3, set-top box, LCD TV and other audio output devices. Can also be used as a simple headphone amplifier to use.
3. Input and output signals can use 3,5AUX interface design (IN - signal input, OUT - signal output)
4. Use with power switch volume potentiometer design, clockwise rotation is on - volume increase / counterclockwise rotation is volume decrease - off.
5. Pre-amplifier using original imported NE5532 op-amp chip design, there are finished products with shell and finished bare board to choose, are wired to use.
Signal input: IN-
Signal output: OUT-
Power supply: single power supply
Power supply: DC 8v-20v (12v linear power supply recommended)
Input and output interface: 3,5AUX interface
Note: The preamplifier is recommended to use linear power supply, try not to use the switching power supply with high interference, so as not to cause interference (current sound).
1 x Preamplifier board (with or without housing optional)
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3. All package need to wait 30 days,Please take care it.Less than 30 days,we can't take a refund.
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