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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 8x8x8
The perfect choice when you need a balance of analog and digital I/O for your music or post-production projects, with the option to expand your 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|
|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
|20 Hz – 20 kHz N/A
|Frequency response DAC||20 Hz – 20 kHz N/A
|20 Hz – 20 kHz N/A
|Expansion||None (card swaps only)||1 empty bay||2 empty bays|
|Metering||32 4-segment LEDs||32 4-segment LEDs||32 4-segment LEDs|
|Chassis||2U rack-mountable||2U rack-mountable||2U rack-mountable|
All configurations of HD I/O work with the following host audio systems: