Korg Nu:Tekt NTS-4 Mixer

The Korg NTS 4 Performance Mixer Kit is a compact mixer designed to bring together modern hardware instruments into one streamlined performance setup. With six channels comprising four stereo inputs and two mono inputs, it supports up to ten individual audio signals, making it ideal for combining volca units, NTS instruments, desktop synthesisers and modular equipment. Dedicated level controls, mute, CUE monitoring and FX send are available on every channel, giving you complete control during rehearsals, studio sessions and live performances. Dual stereo effects engines provide flexible SEND FX, while the master TOTAL FX section adds processing across the entire mix with options including delay, reverb, modulation, filtering, drive and compression. Mono inputs feature a switchable attenuator, allowing seamless compatibility with both line-level instruments and Eurorack modular systems, while SEND and RETURN connections make it easy to integrate external effects. USB-C connectivity delivers 24-bit audio and MIDI for recording, streaming and computer integration, with MIDI routing available through the dedicated MIDI OUT connection. Housed in a durable steel chassis, the NTS 4 remains stable even in heavily patched setups while maintaining a compact footprint. As part of the Nu:Tekt range, this DIY kit is straightforward to assemble, resulting in a reliable performance mixer that keeps compact hardware rigs organised, flexible and ready for creative performance.

• Six Channel Performance Mixer - Mix up to ten audio signals from synthesisers, drum machines and modular gear with dedicated controls for level, mute, CUE monitoring and effects send.
• Integrated Dual Effects Processing - Enhance individual channels and the full mix using built-in delay, reverb, modulation, filters, drive, compression and other creative performance effects.
• USB Audio and MIDI Connectivity - Record directly to a computer or mobile device while routing MIDI through the dedicated MIDI OUT for seamless hardware integration.

Designed for Modern Hardware Setups:

The NTS 4 has been created to serve as the central hub for compact electronic music systems. Four stereo inputs and two mono inputs make it easy to connect multiple instruments without relying on larger mixing consoles. The mono channels include a switchable attenuator, allowing both line-level and modular-level equipment to be connected with confidence. Dedicated SEND and RETURN connections also provide straightforward integration with external effects processors, making the mixer equally suited to desktop synthesisers, Eurorack systems and portable grooveboxes.

Creative Mixing with Hands-On Control:

Every channel features its own level control, mute switch, CUE monitoring and FX send, giving performers immediate access to essential functions during live sets. Two independent SEND FX engines add spacious delay, reverb and chorus to selected channels, while the TOTAL FX section shapes the entire output with filters, flanging, phasing, drive, distortion, compression and limiting. These practical controls allow quick transitions, dynamic builds and polished mixes without interrupting your performance.

Built for Performance and Everyday Use:

Despite its compact dimensions, the NTS 4 is built with a robust steel enclosure that remains stable even when fully connected. USB-C provides convenient 24-bit audio and MIDI connectivity for recording, streaming and DAW integration, while standard quarter-inch main outputs connect easily to studio monitors, PA systems and audio interfaces. Supplied as a simple Nu:Tekt DIY kit, it is straightforward to assemble and delivers a dependable mixer designed for years of creative studio work and live performance.

• Six-channel analogue performance mixer
• Four stereo input channels
• Two mono input channels with switchable line and modular level attenuator
• Supports up to ten simultaneous audio signals
• Per channel level, mute, CUE and FX send controls
• SEND FX: Delay, Ping Pong Delay, Hall Reverb A, Hall Reverb B, Slap Reverb A, Slap Reverb B and Chorus
• TOTAL FX: LPF, HPF, Isolator, Flanger, Phaser, Decimator, Drive, Distortion, Compressor and Limiter
• MAIN OUT left and right 6.3 mm mono jack outputs
• 3.5 mm stereo headphone output
• 3.5 mm stereo SEND connection
• Two 3.5 mm mono input jacks
• Four 3.5 mm stereo input jacks
• 3.5 mm stereo RETURN connection
• 3.5 mm TRS MIDI OUT connection
• USB Type C port with 24-bit audio and MIDI
• Three-digit 7-segment LED display
• Powered by USB bus power or optional 9 V DC power adaptor
• No load power consumption: 0.1 W at 230 V
• Dimensions: 195 × 125 × 38 mm
• Weight: 613 g
• Supplied with a USB Type-C to Type A cable, precautions, and assembly instructions
• Optional accessory: 9 V DC power adaptor