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Merging Technologies HAPI MKII Ravenna/AES67 Audio Interface

8-channel AES I/O audio interface, with 8/2 channel ADAT/SPDIF optical I/O, Ravenna/AES67, and two option slots


Product Description

Merging Technologies HAPI has been a hugely popular networked audio converter and instrumental in introducing so many to the exciting world of RAVENNA/AES67. Its economical form factor made it the ideal local stagebox or studio rack unit for any application. Now is the time to build on that success with new technology and new features that still allow full interface card compatibility with the original HAPI and Horus products.

The Merging Technologies HAPI MKII utilizes the ZMAN technology introduced with Anubis and this powerful processor allows some very meaningful performance upgrades. The recent introduction of the ADA8S and ADA8P cards improved the headroom of the mic-pre inputs and effectively doubled the analog I/O count to 16 in/16 out in DSD, all in 1U rack mountable box.

Merging’s range of audio device options make HAPI the optimum interface for any DAW, regardless of OS.

Modular By Design

Build a HAPI unit to fit your exact needs by adding from range of analog and digital option cards. Put small amount of inputs and outputs in various locations, or load 16 channels of analog I/O in a single unit. Digital I/O conversion and routing can also be managed in this compact unit. Flexibility and power in any form you need.

Horus Quality, HAPI Size

Able to hold both the standard and premium analog cards from the Horus means that HAPI owners get the exact same sound that Horus users have been winning awards with for many years.

AES67 Built-In

Using RAVENNA (AES67 compatible), HAPI is able to provide flexible connectivity of every single input and output across standard networks, using off-the-shelf network equipment. The future is most definitely networked audio, and HAPI provides it today.

AC or DC power

With a choice of AC or DC power supplies, HAPI is able to be powered from standard power sources and from battery packs and "wall warts" as well!

Completely Controlled Over LAN

HAPI is designed to fit into hard to reach places. So, HAPI comes with the same web-browser based control interface allowing any web-enabled device to access all the parameters of each HAPI unit over the network. ANEMAN can easily manage AoIP networks of any size.


Merging has kept abreast of AoIP developments by participating in international showcases and standardisation events. It is no surprise that HAPI MKII complies with the key broadcast requirements.

ST2022-7 Seamless Protection Switching

Adding to the fantastic and constantly evolving feature set of HAPI, the HAPI MkII version features two network ports for ST2022-7 compliance.


While all MERGING Devices can be discovered and inter connected using MERGING ANEMAN Network Manager, HAPI MkII (as well as all other Merging interfaces) is also capable to register itself into an NMOS server as well as comply to connection requests from a compliant NMOS Network Manager such as VideoIPath from Nevion.

HAPI MLII is compliant with:

  • NMOS IS-04 (Discovery & Registration)
  • NMOS IS-05 (Device Connection Management)


MERGING holds strongly to its commitment to broadcasters and has been implementing all the new IP protocols into its products. As a regular participant in IP Showcase events, Merging has implemented ST2110 and AES67. HAPI MkII meets the demanding requirements of JT-NM and is self-certified.


  • Channel-based routing. Each channel can be routed individually to make the most efficient use of resources
  • Improved headphones specifications and features including mastering grade headphone amp, powerful headphone amp suitable for ultra-low to very high impedance headphones, headphones DSD volume support (DSD64, DSD128, DSD256), headphones DSD256 support
  • New front panel with improved display with clear Plexiglas with dimming options
  • ST2022-7 support perfectly complementing Anubis SPS and MAD, HAPI MKII is now fully compliant with the Seamless Protection Switching strategy
  • Switch mode support to remove the need for an external network switch when using one other networked interface
  • Additional DA rolloff filters
  • Per channel DA trims level and polarity support
  • 0.1 dB level precision steps on DA and all trims – precision mastering control
  • Per channel headphones trims level and polarity support

Product Specifications

Condition New
Chassis Desktop
Input Connectors AES/EBU DB25, BNC, Optical, RJ45
Output Connectors AES/EBU DB25, BNC, Optical, RJ45
Clock I/O In, Out
Maximum Sampling Rate 384 kHz
Digital Format ADAT, AES/EBU, S/PDIF

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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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The speed of delivery exceeded my expectations! I was VERY pleased that my shipment arrived in time for a scheduled vocal tracking session. The packing insured that my order arrived safely. And the sales staff responded quickly to questions regarding the product.
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