Korg Nu:Tekt NTS-4 Performance Mixer Kit brings the flexibility of the Nu:Tekt series into a powerful performance mixer. With six channels, integrated effects and USB audio/MIDI connectivity, it's designed to connect, mix and perform with Korg Volcas, other Korg NTS instruments, modular gear and desktop synths in one streamlined setup.
- 6-channel analog mixer with 4 stereo and 2 mono inputs
- Eurorack-compatible mono inputs with switchable line/modular levels
- Dual stereo send effects and master total effects
- Per-channel cue and mute buttons
- USB-C MIDI and audio (48 kHz / 24-bit)
- Dedicated effects send and return connections
- Rugged aluminum chassis
Six channels, one unified setup
With four stereo channels and two mono channels, NTS-4 makes it easy to combine multiple instruments into a single performance rig, supporting up to 10 total audio signals. Each channel includes level control, mute, cue monitoring and effects send for flexible mixing and performance control. All inputs use compact 1/8" mini-jacks, ideal for Korg Volcas, Korg NTS instruments and other desktop gear. Each channel includes dedicated cue and mute controls so you can preview sounds through headphones before bringing them into the mix or create instant drops and transitions with responsive muting.
Designed for synths and modular gear
The mono inputs support both line-level and modular-level signals via a switchable attenuator, allowing seamless integration with eurorack systems. Dedicated send and return connections make it easy to expand your setup with external effects.
Shape your mix in real time
Two independent stereo effects engines provide per-channel send effects for spatial processing, while a master total effects section shapes the entire mix. Add delay, reverb, modulation, drive and compression to bring depth, movement and cohesion to your sound.
Seamless connection to your setup
USB-C provides 24-bit audio and MIDI connectivity for recording, streaming and DAW integration. Mix hardware and software together, or record directly to your computer or mobile device. MIDI received over USB can be routed through the dedicated MIDI output to control external hardware. Standard 1/4" outputs provide a reliable connection to studio and live systems.
Compact, stable and built to last
The aluminum body provides a solid foundation that stays in place even in fully patched setups. Despite its small footprint, NTS-4 is built to handle real-world performance and studio use.
Build it, make it yours
As part of the Nu:Tekt series, NTS-4 is a simple DIY kit that can be assembled in minutes. Once built, it becomes a durable, high-quality performance mixer ready for long-term use.
Designed for compact performance rigs
NTS-4 is built to sit at the center of small hardware setups, reducing cable clutter and simplifying routing so you can focus on performance.
| Specification | Value |
|---|---|
| SKU | KOR-NTS4MIXER |
| Model Name | NTS-4 Performance Mixer Kit |
| Vendor | Korg |
| Bus Power | Yes |
| Included From Manufacturer | USB-C to USB-A cable |
| Max Sample Bit | 48 kHz / 24-bit |
| Mixer Channel Filterable | 6 |
| Mixer Type | Hybrid |
| MPN | NTS4MIXER |
| Product Unique Features |
Eurorack-compatible mono inputs with switchable line/modular levels Per-channel cue and mute buttons USB-C MIDI and audio (48 kHz / 24-bit) Dedicated effects send and return connections Rugged aluminum chassis |
| Audio Inputs |
2 × 1/8" mono TS inputs 4 × 1/4" stereo TRS inputs 1/8" stereo TRS effects return input |
| Audio Outputs |
Dual 1/4" stereo main output 1/8" stereo headphone output 1/8" stereo TRS effects send output |
| Power |
USB-C bus powered Optional 9V AC adapter (sold separately) |
| Effects |
Send effects: chorus, delay, ping-pong delay, hall reverb, slap reverb Total effects: low pass filter, high pass filter, isolator, flanger, phaser, decimator, drive, distortion, compressor, limiter |
| Aux/Effect Sends | Yes |
| Channel Inserts | No |
| Main EQ | No |
| Channel EQ | No |
| Busses/Groups | No |
| Rackmountable | No |
| Width | 7.68" |
| Depth | 4.92" |
| Height | 1.5" |
| Product Weight | 1.35 lb |
The warranty from KORG U.S.A Inc. covers the first buyer against any defects in material or workmanship for a 1 year from the purchase date. It's important to note that this warranty only applies to products bought within the continental United States, Alaska, Hawaii, or Puerto Rico from an authorized KORG U.S.A. Inc. dealer. If any issues arise during the warranty period, KORG U.S.A. Inc. will repair or replace the product for free, as long as it hasn't been misused or improperly maintained. To get service, you'll need to send the product to the place of purchase or an authorized warranty service center in the designated regions, along with proof of purchase.
Ground shipping is FREE to the 48 contiguous United States for orders $99 and up.*
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