Vender (extremechallenge) ne5532 op-amp hifi amplificador preamplificador de volumen tono eq tablero de control diy al mejor precio

NE5532 HIFI Preamplifier Control Board Module Color:Blue Model: NE5532 Supply Voltage: AC 12 V PCB size(L*W*H):112x68x23mm Features: 1.Contains 10 times the tone board preamp, and treble, alto, bass, volume control. 2.With op amp IC package socket, flexible, easy to upgrade, suitable for different tastes. 3.Board layout is reasonable, low noise, component layout nice, maximum to meet your critical eye. 4.Components carefully selected areas, the use of cost-effective than high NE5532 op amp, high-quality small potentiometer, Black Edition BP Promise coupling capacitor, 1 % metal film resistors, capacitors, etc. Note: Manual measuring, please allow 1 ~ 3 cm error,thank you. Included: 1X HIFI Amplifier