Description Are you looking for a professional, yet reasonable amplifier board? Are you in search of a sturdy, trustworthy accessory that can do multiple jobs at once? If yes, look no further! Our audio component amplifier must meet your needs, this amplifier board is one of the best choices for you. Features -Color:As Shown-Material:PCB, electronic component, ABS-Size:11.30X7.50X2.30cm/4.44X2.95X0.90in- Multi-functional audio mixer, adjustable tone, preamp, high and low volume, and etc.- Equipped with preamp, clear sound, no noise. Designed with rotary knob for easy operation.- Exquisite finished product, easy to install. Suitable for audio equipment, recording studio and other occasions.- Flexible to use, easy to upgrade, and suitable for different tastes.- The circuit board wiring is reasonable, the noise is low, and the component layout is beautiful and generous, which can fully satisfy your discerning vision.Packing list: 1 x amplifier board