The Soundcraft Ui24R is a complete, rack-mountable, digital mixing and multi-track recording system that delivers flexible I/O, pristine sound quality, intuitive wireless control, and roadworthy reliability—all in a streamlined design. The system can double as a stagebox and can be controlled by up to 10 devices via Ethernet or built-in dual-band Wi-Fi, making it possible to control mixing and multi-track recording wirelessly from anywhere in the venue. With renowned HARMAN signal processing, Studer-designed preamps and much more—from the studio to the stage, Soundcraft Ui24R is the ultimate system for artists, venues and engineers who need to save space and deliver superior sound. The Ui24R mixer is the heart of a HARMAN Connected PA system. Connected PA delivers seamless plug-and-play operation with a variety of HARMAN equipment and enables you to control your entire live sound system with one app. Products within the Connected PA system self-identify and retain presets for effortless setup, and wizards help you quickly optimize volume, configuration settings and sound quality. Compatible products include JBL PRX800 loudspeakers, dbx Di1 direct boxes, AKG P5i microphones and the MDAi dynamic microphone adapter.
Soundcraft Ui24R 24-Channel Mixer & Digital Interface
Wireless control and interface
Web browser control
- The Ui24R is controlled using a browser-based interface, meaning you don't need a specific app to operate it. It is compatible with iOS, Android, Windows, Mac OS, and Linux devices.
Dual-band Wi-Fi
- An integrated dual-band (2.4/5 GHz) Wi-Fi router allows up to 10 devices to connect and control the mixer simultaneously. An Ethernet port is also available for wired connection.
HDMI display support
- You can connect an HDMI monitor, as well as a USB mouse and keyboard, for direct control.
Cascading
- With the v3.0 firmware update, you can link two Ui24R systems via Ethernet to increase input and mix capabilities or create independent front-of-house (FOH) and monitor mixes.
High-quality audio processing
Studer-designed preamps
- The mixer features 20 high-quality, professional Studer-designed preamps for live and recording applications.
HARMAN signal processing
- The Ui24R includes signal processing from top HARMAN brands.
Lexicon effects
- Features three dedicated effects busses for reverb, delay, and chorus.
dbx dynamics
- Offers dbx compression and noise gating on all input channels and outputs.
DigiTech amp modeling
- Provides guitar amp and stompbox modeling on two hi-Z inputs.
dbx AFS2 Automatic Feedback Suppression
- This system is included on all outputs to eliminate unwanted feedback.
Real-time frequency analyzer (RTA)
- An RTA is available on all input and output channels.
Multi-track recording and playback
Dual-path recording
- Record all 24 simultaneous inputs directly to a USB storage drive and a connected computer (via USB-B) at the same time.
USB audio interface
- Acts as a 32x32 USB audio interface, compatible with Mac/PC DAWs for studio production.
USB playback
- Play back MP3, WAV, and AIFF files from a USB drive.
Soundcheck mode
- Allows you to play back recorded tracks for virtual soundchecks, which is a key feature for live mixing.
Flexible I/O
24 Simultaneous Inputs
The system accommodates a variety of sources with
- 10 combo 1/4"-TRS/XLR inputs
- 10 XLR inputs
- 2 RCA stereo line inputs
- 2 channels of digital USB playback
Outputs
- 8 balanced XLR AUX outputs for monitor mixes
- 2 balanced XLR main outputs
- 2 balanced 1/4" main outputs
- 2 1/4" headphone outputs
Hardware and design
Compact design
- The Ui24R is housed in a rugged, 4U rack-mountable enclosure.
Integrated stagebox
- The all-in-one design allows the unit to double as a stagebox, eliminating the need for a separate audio snake
Inputs and outputs
Mic/Line Inputs
- 10 x combo XLR/1/4" and 10 x XLR
Line Inputs
- 2 x RCA
USB
- 2-channel USB media player
Analog Outputs
- 8 x XLR auxiliary sends, 2 x XLR and 2 x 1/4" main outputs
Headphone Outputs
- 2 x 1/4" with shared volume control
Processing and effects
EQ
- 4-band parametric EQ on input channels and 31-band graphic EQ on outputs
Dynamics
- dbx compression, de-esser, and noise gate on inputs
Effects
- Lexicon reverb and delay, plus 2 channels of DigiTech guitar amp modeling
Feedback Suppression
- dbx AFS2 Automatic Feedback Suppression on all bus outputs
Real-Time Analyzer
- RTA on inputs and outputs
Recording
Multitrack Recording
- 24-channel recording directly to a USB drive
USB Audio Interface
- 32-channel I/O streaming to and from a Mac/PC via USB
Control and connectivity
Wireless Control
- Built-in dual-band Wi-Fi for control via web browser on tablets, phones, or computers (no app required)
Wired Connectivity
- USB ports, Ethernet, and HDMI
Simultaneous Connections
- Up to 10 devices can connect at once
Physical specifications
Form Factor
- 4U rackmount design
Dimensions
- 6.5 x 19 x 177.8 mm (H x W x D)

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