PreSonus StudioLive Series III SE 24R Digital Rack Mixer/Stage Box/USB Interface

40-channel rack mixer with 24 onboard XMAX-R recallable preamps, 16 FlexMixes plus four dedicated subgroups, multitrack USB plus stereo SD recording, and Milan-certified audio networking for live mixing, in-ear monitor rigs, and recording

The StudioLive SE 24R delivers full-scale mixing power in two rack spaces. With 24 XMAX-R preamps and 16 FlexMixes, plus 4 subgroups, 4 dedicated FX mixes, and 24 DCAs, this mixer manages large channel counts effortlessly. Integrated USB 64x64 audio interface, onboard SD capture, and Capture software with Virtual Soundcheck streamline recording and playback.

Milan-certified AVB networking ensures plug-and-play connectivity with StudioLive Series III consoles and stageboxes, while per-channel source switching (analog, USB, SD, AVB) simplifies hybrid setups. Universal Control and QMix-UC provide wireless mixing and monitor control for engineers and performers.

Large-Scale Mixing Power

40 channels with versatile FlexMix, subgroup, FX, and DCA routing.

Advanced Routing Flexibility

Perfect for monitor, broadcast, and installation workflows.

Seamless Recording

A 64x64 USB audio interface, stereo SD recording, and seamless Capture integration with Virtual Soundcheck streamline every stage of production.

Network And Wireless Ready

Milan-certified AVB, Universal Control, and QMix-UC for modern workflow integration.

Fender Studio Pro Integration

Deep integration with Fender Studio Pro simplifies recording with direct preamp control and seamless switching between onboard and plug-in processing with Fat Channel XT.

Features

• 40-channel digital rack mixer with 24 onboard XMAX-R recallable preamps
• 16 FlexMixes configurable as aux, subgroup, or matrix mixes
• 4 dedicated subgroups and 4 FX mixes with stereo returns
• 24 DCA groups for advanced mix control
• Continuously bidirectional 64x64 USB 2.0 audio interface
• Onboard stereo SD recording
• Capture integration with Virtual Soundcheck
• Milan-certified AVB networking for StudioLive Series III ecosystems
• Per-channel source switching (Analog, USB, SD, AVB)
• Universal Control remote mixing and Offline Editor
• QMix-UC personal monitor mixing
• Standalone, monitor mixer, or stagebox modes
• Perpetual license for Fender Studio Pro included

Electronics

• Headphone Jack : 1/4" TRS Active Stereo
• Phantom Power : +48 VDC (±2 VDC)
• Power Consumption : 35W (Continuous)
• Voltage : 120V
• VoltageRequirements : 100-230 VAC, 50-60 Hz

General

• Color : Black
• Product Name : StudioLive SE 24R Digital Rack Mixer, Black, NA
• Series : StudioLive

Hardware

• Digital Audio AVB Audio Network Ports : Locking XLR, Ethernet
• Digital Audio Network Control Port : RJ-45
• Digital Audio USB Recording Port : USB 2.0, Type-B

Inputs

• Line Input Connection Type : RCA Female, Unbalanced (Stereo Pair)
• Line Inputs Maximum Level : +12 dBu, ±0.5 dBu
• Microphone Input Connection Type : Combo Locking XLR Mic - 1/4” TRS Line
• Microphone Preamp Common Mode Rejection Ratio : 65 dB (1 kHz at Unity Gain)
• Microphone Preamp Frequency Response : 20-20 kHz (±0.5 dBu at Unity Gain)
• Microphone Preamp Gain Control Range : 0 dB to 60 dB (±1 dB)
• Microphone Preamp Input Impedance : 1 kΩ
• Microphone Preamp Maximum Input Level : =+12 dBu (Unity Gain)
• Microphone Preamp Signal To Noise Ratio : 94 dB (Ref = +4 dB, 20 kHz BW, Unity Gain, A-Weighted)
• Microphone Preamp Total Harmonic Distortion : <0.005%, +4 dBu, 20-20 kHz, Unity Gain, Unweighted

Measurements

• Media Storage Capacity : SD Card: 2 GB; SDHC Card: 32 GB
• Product Depth : 12" (305mm)
• Product Height : 3.5” (90 mm)
• Product Height/Length : 3.5” (90 mm)
• Product Width : 19" (483mm)

Miscellaneous

• Digital Audio Internal Processing : 32-bit, floating point
• Power Cable : IEC
• Recommended Ambient Operating Temperature : 0˚ to 40˚ Celsius / 32˚ to 104˚ Fahrenheit
• Recording File Format : Stereo WAV
• Supported Media Format : FAT16 Formatted SD™ Card, FAT32 Formatted SDHC™ Card
• Supported Sample Rates : 48 kHz, 44.1 kHz

Output

• Headphone Outputs Frequency Response : 20 Hz to 20 kHz, +/-0.5 dB
• Headphone Outputs Maximum Output : 100 mW/ch. @ 60Ω Load
• Headphone Outputs Signal To Noise Ratio : 96 dB, 1 kHz, Maximum Gain, 20 Hz BW, Unweighted
• Headphone Outputs Total Harmonic Distortion : 0.01%, 1 kHz, Maximum Gain, 20 Hz BW, Unweighted
• Line Outputs Connection Type : 1/4" TRS, Balanced
• Line Outputs Maximum Output Level : =+18 dBu, ±0.5 dBu
• Line Outputs Output Impedance : 100 Ohms
• XLR Outputs Maximum Output Level : =+24 dBu, ±0.5 dBu
• XLR Outputs Output Impedance : 100 Ohms

Performance

• Crosstalk (Adjacent Channels) : -87 dB (Reference = +4 dBu, 20 Hz-20 kHz, Unweighted)
• Digital Audio Bit Depth : 24
• Digital Audio Dynamic Range : ADC Dynamic Range: 115 dB (A-Weighted, 48 kHz), DAC Dynamic Range: 115 dB (A-Weighted, 48 kHz)
• Digital Audio Reference Level For Zero dBFS : =+18 dBu
• Digital Audio Total System Latency : 1.9 ms (local routing, analog in-analog out, all processing active)
• SD Recorder Bit Depth : Recording: 24 Bit, Playback: 16 or 24 Bit
• SD Recorder Sampling Rate : 44.1 or 48 kHz