This used Behringer TD-3-SR Synthesizer in sleek silver is in great condition and delivers all the punchy acid sounds you expect from a classic 303-style analog synth. It features a pure analog signal path, a single VCO with saw and square waveforms, a 4-pole low-pass resonant filter, and a built-in 16-step sequencer for creating signature squelchy basslines. With MIDI and USB connectivity, it's perfect for both studio and live setups. The onboard distortion circuit adds extra grit, ideal for genres like acid house and techno. Whether you're crafting vintage sounds or exploring modern grooves, this compact, reliable synth makes a fantastic addition to any setup.