The HD I/O 16x16 Digital from Avid 

A high-performance Pro Tools HD Series audio interface that is designed to completely integrate with Pro Tools HD systems. Available in three different configurations, this version provides up to 16 channels of 24-bit digital I/O (sample rate dependent) using AES/EBU, or TDIF, or ADAT formats.

Although it bears a physical resemblance to previous interfaces, the HD I/O has been completely redesigned and provides maximum performance, dependability, and control of all inputs, outputs, and routing right from the Pro Tools software interface. Sample rate conversion is available on the two digital cards for all channels.

The digital I/O cards contain between them connectors for sixteen channels each of AES/EBU I/O, TDIF I/O, and optical (ADAT) I/O. Only one digital format can be used at a time. Two card slots are available for further expansion.

Note: A minimum of Pro Tools HD 8.1 or higher software is required to use this interface. A free update is available for download to all registered Pro Tools HD 8.x users.

16 input / 16 output digital audio interface with full Pro Tools HD integration for complete input, output and routing control
16 channels of AES/EBU I/O, or TDIF, or ADAT optical in addition to the 2 fixed channels of AES/EBU available on the chassis
Stereo S/PDIF and 8 channels of ADAT digital I/O on the chassis
Built-in sample rate conversion on both digital cards
Two open card slot for additional customization
Dedicated Wordclock and Loop Sync I/O
Thirty-two, 4-segment metering LEDs for accurate level monitoring
Robust 2U rack-mountable chassis
Connects to Pro Tools HD through a DigiLink Mini connection (cable and adaptor included)

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.

Versatile digital I/O:

Avid HD I/O 16x16 Digital - Pro Tools HD Series Audio Interface
  • AC Power Cable
  • 18" (0.46m) DigiLink Mini Cable
  • DigiLink to DigiLink Mini Adapter Cable
  • 18" (0.46m) BNC Cable
  • One (1) Year Warranty


 HD I/O—16x16 AnalogHD I/O—8x8x8HD I/O—16x16 Digital
Analog inputs1680
Analog outputs1680
AES/EBU I/O28 + 216 + 2
AES single-wire (192 kHz)YesYesYes
S/PDIF I/O1 In + 1 Out (coax or optical)1 In + 1 Out (coax or optical)1 In + 1 Out (coax or optical)
ADAT I/O88 + 816 + 8
SRCN/A8 channels (digital card)16 channels (digital cards)
Word Clock I/O1 In + 1 Out1 In + 1 Out1 In + 1 Out
Loop Sync I/O1 In + 1 Out1 In + 1 Out1 In + 1 Out
Digital interfaceDigiLink MiniDigiLink MiniDigiLink Mini
Dynamic range ADC122 dB122 dBN/A
Dynamic range DAC125 dB125 dBN/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 ADC20 Hz – 20 kHz N/A 
(+/-.03 dB)
20 Hz – 20 kHz N/A 
(+/-.03 dB)
Frequency response DAC20 Hz – 20 kHz N/A 
(+/-.15 dB)
20 Hz – 20 kHz N/A 
(+/-.15 dB)
ExpansionNone (card swaps only)1 empty bay2 empty bays
Soft clipYesYesN/A
Cal trimsYesYesN/A
Metering32 4-segment LEDs32 4-segment LEDs32 4-segment LEDs
Internal fanYesYesN/A
Chassis2U rack-mountable2U rack-mountable2U rack-mountable

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    Avid HD I/O 16x16 Digital Pro Tools HD Series

    • Brand: Avid
    • Product Code: Avid HD I/O 16x16 Digital Pro Tools HD Series
    • Availability: In Stock
    • $2,495.00

    • Ex Tax: $2,495.00

    Tags: Avid HD I/O 16x16 Digital Pro Tools HD Series