Features:
Equipment connected to the power amplifier sound is very small, you can use this circuit, suitable for audio small signal amplification, can provide about 10 times the amplification.
Suitable for all small signal audio output devices used (such as mp3, set-top box, LCD TV and other audio output devices.
Input and output signal can use 3.5 AUX interface design
Use with power switch volume potentiometer design
3.5mm front interface can be connected to headphones; can be directly connected to headphones (not recommended to use with power amplifier output)
Equipment connected to the power amplifier sound is very small, you can use this circuit, suitable for audio small signal amplification, can provide about 10 times the amplification.
Suitable for all small signal audio output devices used (such as mp3, set-top box, LCD TV and other audio output devices.
Input and output signal can use 3.5 AUX interface design
Use with power switch volume potentiometer design
3.5mm front interface can be connected to headphones; can be directly connected to headphones (not recommended to use with power amplifier output)
Product parameters:
Color: Black
Power supply: DC9-19V (best to use a linear power supply, switching power supply is prone to humming)
Amplifier chip: ne5532
Power switch: Yes
Power indicator: Yes
Headphone output input interface: 3.5mm ordinary headphone jack and rca lotus jack
Audio input: IN
Audio output: OUT
Size: 87*53*38mm
Color: Black
Power supply: DC9-19V (best to use a linear power supply, switching power supply is prone to humming)
Amplifier chip: ne5532
Power switch: Yes
Power indicator: Yes
Headphone output input interface: 3.5mm ordinary headphone jack and rca lotus jack
Audio input: IN
Audio output: OUT
Size: 87*53*38mm
Packing Include:
1 preamplifier
1 preamplifier
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- If is item is defective in 12 months, you can return it to us. We will send you a new replacement after receiving the defective item.