ITEM NAME:NE5532 Adjustable Pre-amplifier Volume Tone Control Board AC 12V Description: - Contains 10 times the tone board preamp, and treble, alto, bass, volume control. - With op amp IC package socket, flexible, easy to upgrade, suitable for different tastes. - Board layout is reasonable, low noise, component layout nice, maximum to meet your critical eye. - 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 Specification: - Model: NE5532 - Supply Voltage: AC 12V - Size: 100 x 43.5mm Package Included: 1 Piece HIFI Preamplifier Control Board Note: Please allow 1-3mm error due to manual measurement..Model: NE5532. Due to the difference between different monitors, the picture may not reflect the actual color of the item.