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The Avid HD I/O 16x16 Digital is the ultimate choice for post-production studios, and interfacing with other digital infrastructure while still having the option to expand the I/O. You can expand your analog or digital I/O by simply installing an HD I/O option card into any empty bay. HD I/O 16x16 Analog cannot be expanded, as all four bays are occupied.
Whether you work with music or sound for picture, HD I/O gives you professional-grade audio quality, high performance conversion, and the flexibility to integrate with a variety analog and digital gear, so you can quickly adapt the interface to meet whatever need comes your way.
Hear what you’ve been missing
A sonic improvement over its audio interface predecessors, HD I/O features premium A/D and D/A conversion, so you can achieve higher audio fidelity, extensive dynamic range, super-low jitter, and the absolute lowest possible latency in your sessions. With certain configurations, you also get built-in sample rate conversion and a soft clip feature for worry-free recording. And using Curv, a new built-in soft-knee limiter that catches even the fastest transients, you can track hotter signals and smooth out inconsistent levels from incoming sources.
The connections you need—now and later
HD I/O comes in three configurations, so you can choose the interface that best suits your connection needs. What's more, you can expand your analog or digital I/O by simply installing an HD I/O option card into any empty bay. HD I/O 16x16 Analog cannot be expanded, as all four bays are occupied.
HD I/O 16x16 Digital
The ultimate choice for post-production studios, and ideal if you need to interface with a digital mixer, dubber, or other digital infrastructure, and want the option to expand the I/O.
The ultimate in interface flexibility
As your needs grow or change, you can easily add more analog inputs, analog outputs, or digital I/O by installing an option card. You can install one option card in HD I/O 8x8x8 and up to two in HD I/O 16x16 Digital. While HD I/O 16x16 Analog comes with the maximum four cards, you can customize your I/O by swapping out any card.
Work with Pro Tools and more
HD I/O and all other HD Series interfaces completely integrate with Pro Tools | HD systems, so you get maximum performance, dependability, and control of your inputs, outputs, and routing right from your Pro Tools | HD Software interface. You'll also get higher production quality and greater workflow flexibility than with previous Pro Tools interfaces. And if you want to use your interface with Pro Tools | HD hardware and other DAW software, you can do that too, as all Pro Tools | HD systems support Core Audio and ASIO drivers.
HD I/O—16x16 Analog | HD I/O—8x8x8 | HD I/O—16x16 Digital | |
Analog inputs | 16 | 8 | 0 |
Analog outputs | 16 | 8 | 0 |
AES/EBU I/O | 2 | 8 + 2 | 16 + 2 |
AES single-wire (192 kHz) | Yes | Yes | Yes |
S/PDIF I/O | 1 In + 1 Out (coax or optical) | 1 In + 1 Out (coax or optical) | 1 In + 1 Out (coax or optical) |
ADAT I/O | 8 | 8 + 8 | 16 + 8 |
S/MUX | S/MUX II and IV | S/MUX II and IV | S/MUX II and IV |
SRC | N/A | 8 channels (digital card) | 16 channels (digital cards) |
Word Clock I/O | 1 In + 1 Out | 1 In + 1 Out | 1 In + 1 Out |
Loop Sync I/O | 1 In + 1 Out | 1 In + 1 Out | 1 In + 1 Out |
Digital interface | DigiLink Mini | DigiLink Mini | DigiLink Mini |
Dynamic range ADC | 122 dB | 122 dB | N/A |
Dynamic range DAC | 125 dB | 125 dB | N/A |
THD+N ADC | -114 dB (0.0002%) | -114 dB (0.0002%) | N/A |
THD+N DAC | -110 dB (0.00032%) | -110 dB (0.00032%) | N/A |
Frequency response ADC | 20 Hz – 20 kHz N/A (+/-.03 dB) |
20 Hz – 20 kHz N/A (+/-.03 dB) |
N/A |
Frequency response DAC | 20 Hz – 20 kHz N/A (+/-.15 dB) |
20 Hz – 20 kHz N/A (+/-.15 dB) |
N/A |
Expansion | None (card swaps only) | 1 empty bay | 2 empty bays |
Curv | Yes | Yes | N/A |
Soft clip | Yes | Yes | N/A |
Cal trims | Yes | Yes | N/A |
Metering | 32 4-segment LEDs | 32 4-segment LEDs | 32 4-segment LEDs |
Internal fan | Yes | Yes | N/A |
Chassis | 2U rack-mountable | 2U rack-mountable | 2U rack-mountable |
All configurations of HD I/O work with the following host audio systems: