This is tune board,and with Treble,Midrang,Bass and, left-right channel balance and volume control;
components are carefully selected, and the 4558 op amp with high cost performance can be used instead of the 5532, and the circuit board wiring is reasonable.
Low noise, beautiful component layout, very suitable for enthusiasts DIY
Working Power:AC double 12V-15V(transformer)
5-way: Treble,Midrange,Balance,Treble,Bass, Volume
Colour:green
Material:plastic
Size:20x6.5cm
Package Contents:
1 x Audio Preamplifier
