MOTU 8pre-es Thunderbolt/USB Audio Interface

Eight preamps. Brilliantly transparent.
52 simultaneous audio channels, 24 inputs and 28 outputs, all independent. Connect all your studio gear, including microphones, guitars, synths, keyboards, drum machines, outboard processors and optical expanders. All I/O is available simultaneously.

Superb analog audio quality: renowned ESS Sabre32 DAC technology delivers measured 123 dB dynamic range and the same proven, award-winning audio quality as MOTU's flagship 1248. Redesigned mic channels with cutting-edge components deliver ultra-transparent sound. Eight transparent mic preamps deliver superb -108 dB THD+N, 118 dB dynamic range and -129 dBu EIN performance. Each mic channel has individual preamp gain, pad, 48V phantom power and digital remote control.

Ultra-low latency and renowned rock-solid performance with high-performance Thunderbolt and USB drivers for Mac and PC. Round-trip latency (RTL) performance as low as 1.6 ms at 96kHz over Thunderbolt with high-performance DAW hosts. Connect to your Mac or PC with Thunderbolt or Hi-speed USB 2.0, with up to 256 audio channels (128 in and 128 out) over Thunderbolt. Or stream dozens of audio channels to and from your Mac over AVB/TSN Ethernet using a standard, affordable CAT-5e cable up to 100 meters long. Class-compliant firmware and industry standard drivers work with any audio apps. Connect to your iPad with a standard camera connection kit (adapter).

Take control of your recording sessions with the built-in talkback mic and front-panel talk button. Connect two sets of speakers and check your mixes instantly with front-panel A/B speaker select buttons. A full-fledged 48-input digital mixer delivers 7 stereo aux busses, 3 groups, access to 64 network inputs, and DSP effects including reverb, 4-band EQ, gate and compression. If you know your way around a large-format mixing console, you'll feel right at home. If you've ever wished to mix on a large console, the driver's seat is now yours. Includes AudioDesk workstation software for Mac and Windows with 24-bit recording, sample-accurate editing and 32-bit mixing and mastering.

Features:
• Superb analog audio quality and high-end converters
• New dual-LCD design
• Universal connectivity: Connect to your Mac or PC with Thunderbolt or Hi-speed USB 2.0
• 52 simultaneous audio channels
• 24 inputs and 28 outputs
• DSP mixing and effects processing
• Flexible 48-input digital mixer with 7 stereo aux busses, 3 groups, access to 32 network inputs, and DSP effects, including reverb, 4-band EQ, gate and compression.
• 32-bit floating point processing
• Modeled vintage effects processing
• Flexible matrix routing and splitting
• Built-in talkback mic with front-panel "talk" button and"A/B" speaker select buttons.
• Precision Digital Trim on all analog inputs
• Stand-alone operation with wireless control
• New Touch Console web app control
• System expansion: Connect up to five MOTU interfaces using a MOTU AVB Switch (sold separately).
• AVB/TSN audio networking
• Two headphone jacks
• Two banks of optical I/O
• Time code support
• Direct Digital Synthesis (DDS) DSP-driven phase lock engine and internal clock source
• DC-coupled TRS outputs
• Instrument tuner and audio analysis tools
• AudioDesk workstation software for Mac and Windows

Specifications:
• Sample rates: 44.1, 48, 88.2, 96, 176.4, 192 kHz
• Mic/line/instr inputs: 8 x XLR/TRS "combo style" mic/line/instr inputs
• Preamp gain: 0 to +63 dB (digitally controlled)
• TRS max level with pad: +17 dBu
• Analog outputs: 8 x 1/4" TRS line out (balanced, DC coupled)
• Max level: +20 dBu (digitally adjustable -4 to +20)
• 2 x 1/4" TRS stereo headphone
• Digital I/O: 2 banks (16 ch) of ADAT optical at 1x sample rates , 2 banks (8 ch) of SMUX optical at 2x sample rates , Switchable to stereo TOSLink (optical S/PDIF)
• Total I/O: 24 in / 28 out (52 total) at 1x sample rates , 16 in / 20 out (36 total) at 2x sample rates ,8 in / 12 out (20 total) at 4x sample rates
• Computer I/O: 1 x Thunderbolt 1 (Mac and Win) Thunderbolt 2 & 3 compatible, 1 x USB 2.0 audio class compliant, USB 3.0 and iOS compatible
• Computer I/O channels: Thunderbolt, 128 in/out at 1x (44.1 to 48 kHz), 128 in/out at 2x (88.2 to 96 kHz), 64 in/out at 4x (176.4 to 192 kHz)
• Computer I/O channels: USB, 64 in/out at 1x (44.1 to 48 kHz) , 32 in/out at 2x (88.2 to 96 kHz) , 24 in/out at 4x (176.4 to 192 kHz)
• Sync I/O: 1 x BNC word clock in/out
• Network I/O: 1 x RJ45 AVB/TSN Ethernet (1 Gbps)
• AVB streams: (8 channels per stream) 4 in / 4 out @ 44.1 or 48 kHz , 4 in / 4 out @ 88.2 or 96 kHz , 2 in / 2 out @ 176.4 or 192 kHz
• Headphone: 2 x 1/4" TRS stereo phone (assignable)
• Phantom power: 8 x individual +48V
• Front panel: 2 x 1/4" TRS headphone output , 2 x digital rotary encoders, 4 x digital rotary encoders, 2 x large digital rotary encoders, 8 x small switches (4) Pad / (4) 48V Phantom pwr, 10 x large switches, 2 x LCD (128 x 160) for level meters / menu nav
• Power: International 100-240V autoswitching supply, 50-60 Hz, 0.5A max
• Dimensions and weight(width x depth x height, enclosure only): 19 x 7 x 1.75 inches / 48.3 x 17.75 x 4.5 cm, 4.6 lbs / 2.05 kg