Check the listing for details. Teenage Engineering EP-133 K.O. II Digital Sampler, Sequencer, Composer. Color: Gray, Condition: Used, Made in China. Listed at 234.50 USD. The Teenage Engineering EP-133 K.O. II Digital Sampler, Sequencer, and Composer is a versatile tabletop device that offers 2 channels of digital sound with a variety of input/output ports including USB interface and 3.5mm TRS in. This innovative tool allows users to create music with its loop effect and delay capabilities, making it a valuable addition to any musician's gear collection. The sleek gray design and compact 1U rack unit height make it a stylish and practical option for creative music production. Used in very good condition. No spills or issues and comes from smoke free environment. Factory reset with factory sounds. No knob issues and fully updated software. Message me for any questions or offers.