Presonus StudioLive RM32AI, 32-channel rack-mount digital mixer with Total Recall, Rugged steel chassis, 19"/4HE, UC Surface Live Mixing and Control Software, designed specifically for live sound mixing, Multiplatform support for Mac, Windows, and iPad, Windows 8 multi-touch-compatible for large touchscreen mixing, Wi-Fi and wired networking, Monitor (aux) mixes controllable via iPhone or iPod touch (with free QMix-AI app), USB jack for included Wi-Fi LAN adapter (using a router), Ethernet port, 32 locking XLR inputs, each with recallable XMAX Class A mic preamps, +48V phantom power, individually switchable, Stereo tape input (RCA jacks), 32 LED meter grid (selectable: input signal or phantom power status), Dual Fat Channel signal processing (A/B selectable), with phase switch, HPF, 4-band fully parametric EQ, Compressor, Limiter, Noise Gate with Sidechain and Key Filter, 50 Fat Channel presets for Drums, Bass, Guitars, Keyboards, and Vocals, 50 user-programmable presets, 15 graphic EQs for the first 12 line outputs and the 3 Main outputs, variable LPF for the mono output, programmable alignment delays on the last 4 XLR outputs (up to 300 ms), 4 internal effect processors (2x Reverb, 2x Delay), 8 Mute Groups, 8 Quick Scenes, Global Scene Storage - up to 99 at a time. 16 XLR line-level Mix outputs, 2 DB25 jacks mirror the line-level Mix outputs3 XLR main outputs (left, right, mono/center) with analog trim pots, S/PDIF digital output (coax), Headphone output with volume knob and selectable source (Cue/Main), Fully integrated, continuously bidirectional, 52-in/34-out FireWire 800 audio interface, High-definition Burr-Brown analog-to-digital converters (118 dB dynamic range), 24-bit/96 kHz, Option card slot for future expansions (Dante, AVB, Thunderbolt cards), Software included: Capture (Mac, Windows) for easy multitrack-recording and virtual soundcheck, Studio One Artist, DAW Software (Mac, Windows), Computer system requirements for UC Surface: Apple iPad: iPad Air, iPad mini with Retina-Display, iPad 4, iPad mini, iPad 3, or iPad 2, iOS 7.03 or later, Mac: OS X 10.8, 64-bit, or later, Intel Core 2 Duo processor (Intel Core i3 or faster recommended), 4 GB RAM (8 GB or more recommended), Wired or wireless network connection, Internet connection, Windows: Windows 7 x64/x86 SP1, Windows 8 x64/x86, Intel Core 2 Duo processor (Intel Core i3 or faster recommended), 4 GB RAM (8 GB or more recommended), Wired or wireless network connection, Internet connection, Computer system requirements for Capture and Studio One (Mac and Windows): FireWire S800 (IEEE 1394b) port, Internal or external 7200 RPM storage drive highly recommended, Monitor with 1280x800 resolution, Dimensions: 483 x 267 x 178 mm, Weight: 10.0 kg