If you need a nice preamplifier to fit between your audio source such as a PC output, MP3 player, music player, etc. then this NE5532 Preamplifier Board with Controls from PMD Way fits the bill, with free delivery. It's a stereo preamplifier based on the classic NE5532 designs, with volume, bass, treble and midrange audio controls. The board requires a power supply of between 12 and 24 V DC. The preamplifier includes the knobs and cables as shown in the images. Wiring diagram: Don't forget to check out our full range of amplifier boards if this doesn't meet your needs. And as always, all orders receive free delivery. And remember ... if you: can't find what you need not sure what to order want a bulk deal need technical support or just want to have a talk ... Please email us via [email protected]. To keep up to date with new products, news, tutorials and more - we're on x, Facebook, Instagram, threads, reddit, and instructables.