B-Stock: Teenage Engineering EP-136 K.O. SIDEKICK Mixer, Audio Interface, and FX Processor

The Teenage Engineering K.O.–SIDEKICK is a compact two-channel mixer, audio interface, and FX processor designed to bring powerful performance tools into a portable and versatile format. Ideal for studio production, live performance, or mobile setups, it delivers flexible mixing capabilities and creative sound shaping for musicians, DJs, and content creators alike.

Equipped with two 3.5 mm stereo inputs, a dedicated stereo aux input, main output, and cue output, the K.O.–SIDEKICK offers seamless integration with a wide variety of gear. It features three selectable EQ styles, individual compressors for both input channels, beat matching per channel, and six signature Knock-Out Performance FX™ with motion control for expressive live manipulation and dynamic sound processing.

Designed for maximum portability, the unit operates on just two AAA batteries or via USB-C power, making it easy to use virtually anywhere. Whether running as a standalone device, expanding a larger setup by linking multiple units together, or serving as a compact creative hub on stage or in the studio, the K.O.–SIDEKICK delivers professional flexibility in a highly portable design.

B-stock may have minor cosmetic scratches or dents and furthermore B-Stock is not covered by full manufacturer warranty. Please call for details.

Product Specifications:

Channels: 2-Channel Mixer

Inputs: 2x 3.5 mm Stereo Inputs

Aux Input: 1x 3.5 mm Stereo Aux Input

Main Output: 1x 3.5 mm Stereo Output

Cue Output: 1x 3.5 mm Cue Output

Effects: 6 Knock-Out Performance FX™

EQ Modes: 3 Selectable EQ Styles

Compressors: Individual Compressors Per Channel

Audio Interface: 8-In / 4-Out USB Audio Interface

MIDI Support: Yes

Power Options: 2x AAA Batteries or USB-C

Dimensions: 240 x 88 x 16 mm (9.45 x 3.46 x 0.63")

Weight: 300 g (10.6 oz)