Updated Amplifier NE5532/A828 Preamp Preamplifier Volume Tone Control Finished Pre AMP Board for Home Theater Speaker DIY A828 with case

Description

This preamplifier is used for the audio signal input to the power amplifier when sound is small for the pre-amplification. It can provide an amplification of about 10, which is suitable for all small signal audio output devices (such as mp3, set-top boxes, LCD TVs, etc.) .). It can also be used as a simple headphone amplifier.

Input and output signals can use 3,5AUX interface design (IN-signal input, OUT-signal output)

Use the volume potentiometer design with power switch, turn clockwise to turn on----increase the volume / turn counterclockwise to decrease the volume----turn off.

It is recommended to use a linear power supply for the pre-amplifier, and Please do not try to use a switching power supply with large interference to avoid interference (current noise).

The pre-amplifier has AD828 version and NE5532 version for choice.

Power supply:

DC 8v-20v (12v linear power supply is recommended)

Package included:

1*Preamplifier board(without power adapter)

About shipping
Shipping and Packaging All itwill be double checked and well packed before sending.Itwill be dispatched within 2 business days after buyers pay for the order. It usually takes about 14 to 18 working days for delivering the package to the destination(for remote areas,it may take a little longer). 

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