Looking for big bass in a portable package This used Teenage Engineering Sub Synthesizer is in great condition and fully functional, delivering deep analog-style sub-bass tones with its compact and innovative design. Part of the Pocket Operator series, the unit features a built-in sequencer, 15 synthesis sounds, 16-step pattern chaining, and punch-in effects for on-the-fly creativity. Its crystal-clear LCD screen with animated graphics and onboard speaker make it perfect for mobile music creation or live performance. Runs on 2 AAA batteries (not included) and includes a 3.5mm audio I/O for easy connectivity. Whether layering beats or crafting experimental sounds, this sub synth brings pro-level sound in a fun, pocket-sized format. Great for producers, beatmakers, or collectors seeking authentic Teenage Engineering sound without paying full price.