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Avid HD I/O 16x16 Analog Pro Tools | HD Interface

16x16 analog audio interface for Pro Tools | HD
MFR# 9900-58670-40

Product Description

Avid’s HD I/O has been a studio staple of decades. Engineers across the globe instantly recognize its sleek gray interface with inviting multi-color LEDs. The Avid HD I/O 16x16 Analog is a state-of-the-art audio interface designed for Pro Tools | HD systems. Capable of delivering pristine sound quality and unparalleled dynamic range, Pro Tools | HD I/O is perfect for large-scale, high-profile projects. Its compact, modular design makes it easy to expand and customize your studio to fit your needs.


HD I/O has been completely redesigned with high-quality electronics to deliver class-leading A/D and D/A conversion with the lowest possible latency. With LED metering for all 16 tracks, you can quickly see which channels are peaking. Keep an eye on key settings like sample rate and sync mode right from the front-panel display.

With three configurations to choose from, you can expand and customize the interface for your connection needs. All HD I/O configurations include a section of additional digital I/O that enables you to connect more gear and sync and expand your system.

16x16 ANALOG

The HD I/O 16x16 analog is the perfect choice for music production. With 16 channels of analog I/O, 2 channels of AES/EBU I/O, 2 channels of S/PDIF I/O, and 8 channels of ADAT (S/MUX) I/O, you’ll be ready to capture any creative ideas the moment inspiration strikes. While all four I/O bays are occupied with this option, you can always swap out any of the analog cards with a different options to customize your interface for to your needs.


  • Pristine audio clarity and ultra low latency through state-of-the-art A/D and D/A conversion, premium analog circuitry, and meticulous attention to design
  • Versatile digital I/O with built-in sample rate conversion
  • Expand or customize the I/O with analog or digital option cards
  • Completely integrates with Pro Tools|HD for full input, output, and routing control
  • Track hotter signals and smooth out sounds with Curv, a new built-in soft-knee limiter
  • Keep things in sync with dedicated Word Clock and Loop Sync I/O
  • Keep an eye on your levels easily through 32 four-segment metering LEDs
  • Robust 2U rack-mountable chassis
  • Connects to Pro Tools|HD through a DigiLink Mini connection (cable and adaptor included)

Product Specifications

Condition New
Chassis 19-inch Rack-mount
Rack Spaces 2u
Digital Inputs 10
Analog Inputs 16
Input Connectors AES/EBU XLR, Analog DB25, BNC, Coaxial, Optical
Digital Outputs 10
Analog Outputs 16
Output Connectors AES/EBU XLR, Analog DB25, BNC, Coaxial, Optical
Computer Connection Digilink
Clock I/O In, Out
Maximum Sampling Rate 192 kHz
Digital Format ADAT, AES/EBU, S/PDIF, SMUX

Product Reviews

5 out of 5 stars.
Review Count (1)

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This is an amazing piece of gear. I continually see people post videos on how HD is a gimmic. I love they think that way. We love it. The converters in this bad boy are invisible! I have yet to hear them once in almost two years! This with the right monitors will change the way you listen to music, feel about your craft and for me it's changed the way I view the natural world/universe and life itself.. that may seem a little over the top but I am expressing zero exaggeration here. Don't believe the misinformation videos on YouTube or do believe them and leave sounding awesome to those who are falling for the HD scam!!!

By Sean on December 23, 2016

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I would like to thank VK for the wonderful sales assistance, service and prices. This was my first purchase with you and it won't be my last. I only wish I'd discovered you years ago!
Matthew R.
I had two Grammy wins this year - Ray LaMontagne & Carolina Chocolate Drops. Both made with help from Vintage King!
Ryan F.
In almost 20 years in Pro audio buying, never did I receive a unit so well packed and exactly as described. Works flawlessly. The whole process has been so smooth. I will never hesitate to do business with you guys in the future and will recommend you to everyone I know.
Martin C.
This was my first experience buying something from Vintage King (although I surf the "used" categories on the website frequently!), and, despite being on the other side of the world, I had absolutely no trouble and everything went very smoothly.
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