Small but mighty. The teenage engineering po 24 office synthesizer is a miniature battery operated noise percussion drum machine and sequencer perfect for on the go musicians. The po 24 office is a noise percussion and drum machine with a built in sequencer. The pocket operator office features sampled vintage hardware and real synth engines which capture the sound and essence of classic gear. Create rhythms and patterns on the fly with up to 128 pattern chains allowing you to explore your creativity. The pocket sized synth 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 sounds and 16 additional effects the possibilities are endless enabling you to let your creativity flow.