Key Features
• Connect to Pro Tools | HD, Thunderbolt computers and Dante simultaneously without option cards
• High-performance audio conversion with over 118dB dynamic range A/D and 121dB dynamic range D/A (A-weighted)
• Ultra-low round trip latency to track through plug-ins and record virtual instruments in real time
• 16 line inputs on D-sub, coupled with 16 line outputs and two main monitor outputs
• Two digitally-controlled Red Evolution mic preamps with up to 63dB of ultra-clean gain, stereo linking, individual phantom power, high-pass filter and phase reverse
• Air mode on the preamps, giving recordings the clarity of a transformer-based ISA
• Two Thunderbolt 3 ports as standard to connect additional Thunderbolt products
• Dual-port Dante card for more channels at higher sample rates
• Three LCD displays for highly accurate level metering
• Two discrete high-fidelity headphone outputs
• Connect multiple digital sources using word clock I/O and loop-sync I/O
• Two instrument inputs on the front panel
• AAX/AU/VST-compatible Red 2 and Red 3 EQ and compression plug-ins

Specifications
Simultaneous inputs & outputs
Channel Count: Up to 64 x 64
Line Level Channel Count: 16 In and 16 Out
Line Level Input: 2 x DB-25 connectors (AES59)
Line Level Output: 2 x DB-25 connectors (AES59)
Thunderbolt Channel Count: Up to 64 In and 64 Out
Thunderbolt Ports: 2 x Thunderbolt 3 Ports (Primary Port 1 and Primary Port 2)
Pro Tools Channel Count: Up to 64 In and 64 Out (32 In and 32 Out per connection)
Primary Port: 2 x Mini DigiLink
Dante Channel Count: Up to 32 In and 32 Out
Dante Input And Output: 2 x ethernet standard RJ45 connectors (Compatible with Cat 5e and above).

Microphone inputs
Gain Range: 0-8dB to 63dB in 1dB steps
Type: Electronically Balanced, Zin = 20kΩ
Max. Input Level: >+19dBu, min gain
Frequency Response: 20Hz - 35kHz ±0.2dB
THD + N: -102dB (0.0008%) @ -1dBFS
EIN: <-129dBu 'A'-Weighted (typical)
Signal-To-Noise Ratio: 119dB 'A'-Weighted (typical)
Common-Mode Rejection Ratio: 50/60Hz CMRR: -70dB
Phantom Power: +48V, independently switchable per channel.
HPF: High-Pass Filter (HPF): -3dB @ 80 ± 3Hz, 12dB/Octave, independently switchable per channel
Air Mode: 2dB boost at 10kHz and -2dB at 20Hz (ref 1kHz). Input impedance drop to 2.2kO
Mic Inputs Channel Count: 2 In
Mic Input: 2 x Female XLR

Line inputs 1-16
0 DBFS Reference Level: +18 or +24dBu (switchable)
Line Inputs 1-16 0 DBFS Reference Level: +18 or +24dBu (switchable)
Line Inputs 1-16 Type: Electronically Balanced, Zin = 20kO
Line Inputs 1-16 Frequency Response: 20Hz - 35kHz ±0.2dB
Line Inputs 1-16 THD + N: -102dB (0.0008%) @ -1dBFS
Line Inputs Signal-To-Noise Ratio: 119dB 'A'-Weighted (typical)
Line Inputs 1-16 Common-Mode Rejection Ratio: 50/60Hz CMRR: -70dB
Line Level Input: 2 x DB-25 connectors (AES59)

Instrument inputs
Instrument Inputs Gain Range: 0-8dB to 63dB in 1dB steps
Instrument Inputs Type: Zin = 2.3MO
Instrument Inputs Max. Input Level: >+15dBu, min gain
Instrument Inputs Frequency Response: 20Hz - 35kHz ±0.2dB, min gain
Instrument Inputs THD + N: -100dB (0.001%) @ -1dBFS (@ 11dB Gain)
Instrument Inputs Signal-To-Noise Ratio: 117dB 'A'-Weighted (typical), min gain
Instrument Inputs HPF: -3dB @ 80 ± 3Hz, 12dB/Octave, independently switchable per channel
Instrument Inputs Air Mode: 2dB boost at 10kHz and -2dB at 20Hz (ref 1kHz)
Instrument Inputs Channel Count: 2 Channels In
Instrument Inputs Instrument Inputs: 2 x 1/4" TS stereo jack

Line outputs 1-16
Line Outputs 1-16 0 DBFS Reference Levels: +18 or +24dBu (switchable)
Line Outputs 1-16 Frequency Response: 20Hz - 35kHz ±0.2dB
Line Outputs 1-16 THD + N: <-104dB (0.0006%) unweighted, 20Hz - 20kHz; -1dBFS input
Line Outputs 1-16 Dynamic Range: 121dB 'A'-weighted (typical), 20Hz - 20kHz
Line Outputs 1-16 Output Impedance: Nominal output impedance = 136O balanced (68O each phase)
Line Level Output: 2 x DB-25 connectors (AES59)

Monitor outputs
Monitor Outputs 0 DBFS Reference Levels: +18dBu
Monitor Outputs Frequency Response: 20Hz - 35kHz ±0.2dB
Monitor Outputs THD+N: -80dB (0.01%) unweighted, 20Hz - 20kHz; -1dBFS input
Monitor Outputs Dynamic Range: 120dB (A-Weighted)
Monitor Outputs Output Impedance: Nominal output impedance = 136O balanced (68O each phase)
Monitor Outputs Channel Count: 2 Out
Monitor Outputs: 2 x 1/4" TRS stereo jack

Headphone outputs
Headphone Outputs 0 DBFS Reference Levels: +16dBm ± 0.5dB
Headphone Outputs Frequency Response: 20Hz - 20kHz ±0.2dB
Headphone Outputs THD + N: <-75dB (0.018%) unweighted, 20Hz - 20kHz
Headphone Outputs Dynamic Range: 114dB 'A'-weighted (typical), 20Hz - 20kHz
Headphone Outputs Output Impedance: 10O
Headphone Outputs Headphone Impedance: 32O - 600O
Headphone Outputs Channel Count: 2 Stereo Channels Out
Headphone Outputs Headphone Outputs: 2 x 1/4" TRS stereo jack

Digital performance
Supported Sample Rates: 44.1 / 48 / 88.2 / 96 / 176.4 / 192 kHz (-4% / -0.1% / +0.1% / +4.167%) at 24 bit
Clock Sources: Internal, ADAT 1, ADAT 2, S/PDIF, Word Clock, Loop Sync or from Dante Network Master

ADAT
ADAT Channel Count: Up to 16 In and 16 Out
ADAT Input: 2 x TOSLINK connector
ADAT Output: 2 x TOSLINK connector
ADAT Channel Assignments @ 44.1 KHz, 48 KHz: Port 1 = Channels 1 - 8 , Port 2 = Channels 9 - 16
ADAT Channel Assignments @ 88.2 KHz, 96 KHz: SMUXI: Port 1 = Channels 1 - 4, Port 2 = Channels 5 - 8
ADAT Channel Assignments @ 176.4 KHz, 192 KHz: SMUXII: Port 1 = Channels 1 - 2 , Port 2 = Channels 3 - 4

S/PDIF
S/PDIF Channel Count: 2 In and 2 Out (Optical up to 96kHz)
S/PDIF Input: 1 x RCA phono socket (1 x TOSLINK up to 96kHz)
S/PDIF Output: 1 x RCA phono socket (1 x TOSLINK up to 96kHz)

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