Apogee Symphony I/O MKII Connect Dante Interface 16x16 Analog Preamp/16x16 AES
Apogee Symphony I/O MKII Connect Dante Interface 16x16 Analog Preamp/16x16 AES

Apogee Symphony I/O MKII Connect Dante Interface 16x16 Analog Preamp/16x16 AES

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The Apogee Symphony I/O MKII Dante Interface 16x16 Analog Preamp + 16x16 AES, part of the Apogee Symphony Connect series audio interfaces, delivers Symphony-quality sound with robust, high-performance AD/DA converters and Apogee’s Advanced Step Gain Architecture mic preamps at unprecedented prices. Using cutting edge components and a simplified, optimized analog circuit design, Apogee engineers are able to place more AD/DA converters and mic preamps on a single module board. The result is a single Symphony I/O Mk II with up 16 mic preamps at an unprecedented price for Symphony Quality and an extremely competitive price for the market. With industry-leading sound quality and scalable, Symphony Connect series is the ideal choice for broadcast, live sound, education, post, house of worship and recording studio facilities.


If Pro Tools is part of your network environment, Symphony I/O Mk II’s Pro Tools | HD peripheral port lets you route audio between your Pro Tools session, the Dante network and Symphony I/O Mk II modules, no need for an additional, standalone box.


Symphony I/O Mk II features Apogee Network Control Software. Apogee Network Control gives you remote, software access to all Symphony I/O Mk II settings. From your computer you can calibrate all channels, set output monitor levels, select analog level type, adjust mic-pre gain and more. Drag and drop setup and color coding let you create custom view that let you see up to 6 devices in a single window. Apogee Network Control works on macOS and Windows 10 computers and is compatible with the Apogee Control hardware remote.

  • Control all Symphony I/O Mk II settings from calibration to monitors to mic preamps
  • Easy drag-and-drop setup and color coding organization features
  • View up to 6 devices in one window
  • View up to 32 inputs and outputs per device simultaneously
  • View up to 192 inputs and 192 outputs per tab simultaneously
  • See critical network and system status information at a glance
  • macOS and Windows 10 compatible

Advanced Stepped Gain Architecture Mic Preamps

Apogee has taken a high-end design approach to the mic preamps in the Connect Series I/O modules to achieve the best performance of any audio interface. With Apogee’s Advanced Stepped Gain Architecture Connect Series interfaces feature a mic preamp circuit that is dynamically optimized at different gain settings to provide superior bandwidth, ultra low noise and nonexistent distortion across an expansive gain range of 0-72 dB.

The Advanced Stepped Gain Architecture functions a bit like a finely tuned race car with many gears: optimal circuit performance (low noise and low distortion) is maintained regardless of the gain required. Digitally-controlled analog switches “shift the gears” of the circuit at each gain setting to ensure the best sound and performance. Other mic pres struggle at the extremes of gain – they are essentially “two-gear” circuits.

16 Analog IN + 16 Mic Pre + AES/Optical OUT (One)


  • Analog IN: 16 balanced inputs on 2 DSUB 25-pin connectors
  • 16 microphone preamps with up to 72 dB of gain
  • Featuring Advanced Stepped Gain Architecture
  • Coax IN: 2 channels of S/PDIF, up to 192 kHz


  • AES-EBU OUT: 16 outputs on DSUB 25-pin connector
  • (192k single wide compatible)
  • Optical OUT: Supports ADAT, SMUX & S/PDIF
  • ADAT: 16 channels 44.1-48 kHz
  • SMUX: 16 channels 88.2-96 kHz
  • S/PDIF: 2 channels, up to 96 kHz
  • Coax OUT: 2 channels of S/PDIF, up to 192 kHz


  • New Symphony analog input with Advanced Stepped Gain mic preamp and Industry leading A/D Conversion
  • Control all mic preamps from Symphony I/O’s front-panel, the optional Apogee hardware remote control, or in Apogee control software
  • Simplified and optimized signal path – fewer components, higher channel count, same flagship audio quality

Product Specifications


Condition New
Width 19 in
Depth 11.5 in
Height 3.5 in
Chassis 19-inch Rack-mount
Rack Spaces 2u
Number of Inputs 16
Input Connectors Analog DB25, BNC
Number of Outputs 16
Output Connectors AES/EBU DB25, BNC, Digital RCA, Optical
Computer Connection Digilink, Ethernet
Number of Preamps 16
Clock I/O In, Out
Maximum Sampling Rate 192 kHz
Digital Format ADAT, AES/EBU, S/PDIF, SMUX

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