The Teenage Engineering PO-14 Sub Synthesizer is a miniature, battery-operated synth, perfect for on-the-go musicians. The pocket-sized synthesizer features a minimal design with an exposed circuit board and raw buttons to allow for unique looks and an affordable price tag. With 16-step sequencing, a choice of 16 playing styles and 16 additional effects, the possibilities are endless, enabling you to let your creativity flow. The Pocket Operator features a sharp and easy to read LCD display which gives you information on all your controls and parameters on the Pocket Operator, allowing you easily monitor and change any controls. Underneath the LCD display, Teenage Engineering have incorporated an integral speaker for added convenience, allowing you to create and listen to your sounds and sequences on the fly.