Meet Symphony I/O Mk II
Symphony I/O Mk II is a multi-channel audio interface featuring Apogee?s flagship AD/DA conversion, modular I/O (up to 32 inputs and outputs), intuitive touchscreen display and optional world-class microphone preamps. Designed to deliver professional sound quality for audio recording, mixing and mastering, Symphony I/O Mk II is the ultimate music production centerpiece for any modern studio. With its option card flexibility, Symphony I/O Mk II can provide direct connectivity to one of 4 different platforms " Thunderbolt?, Pro Tools HD, Dante?+ Pro Tools HD, or Waves SoundGrid network.

Legendary Sound Quality
Apogee engineers have made it their passion to improve every new flagship product by using the latest in electrical components and designing optimized circuitry that often exceeds the expectations of the component manufacturer. This is the Apogee Advantage. Symphony I/O Mk II is the culmination of this 30 year commitment and raises the bar on all Apogee products before it with even better audio clarity and sonic transparency. In fact, when equipped with either the 8-8 or 16-16 modules, Symphony I/O Mk II outperforms all other multi-channel audio interfaces available for Pro Tools HD, network or Thunderbolt based systems, making it the flagship audio interface for the entire professional audio industry and the obvious choice for countless GRAMMY winning artists, producers, songwriters and engineers.

Input and Output flexibility
There is a Symphony I/O Mk II solution for everyone; the home studio, project studio, commercial recording studio and scoring stage. Choose from four base I/O configurations, 2-6, 8-8, 16-16, or 8-8 with 8 mic preamps and easily expand as your studio grows. With two module slots and the capacity for up to 32 inputs and outputs of A/D & D/A conversion per unit, Symphony I/O Mk II offers the best per-channel value of any interface in its category.

Highest Quality Apogee AD/DA converter
A/D = 124dB (A) dynamic range, -116dB THD+N
D/A = 131dB (A) dynamic range, -118dB THD+N
2 analog line-level inputs via XLR
6 analog line-level outputs via DB-25
Fully trimmable analog input and output
2 channels of AES/EBU I/O via XLR
Optical I/O - supports ADAT, SMUX, and S/PDIF:
ADAT - eight channels; 44.1kHz-48kHz on one TOSlink connector
SMUX - four channels; 88.2kHz-96kHz on one TOSlink connector
S/PDIF - two channels; up to 96kHz on one TOSlink connector
S/PDIF Coaxial I/O - 2 channels; up to 192kHz via RCA connector
Mini-Digilink connection to Pro Tools HD system

Analog to Digital

THD+N: -114dB @ 22dBu (0.00020%)

Dynamic range: 122dB A weighted

Maximum input levels: +4dB setting: +24dBu, -10dB setting: +6dBV

Frequency response at 44.1kHz: 1-20,000 Hz (+/- 0.05dB)

Input impedance: 10K

Digital to Analog

THD+N: -117dB @ 21dBu (0.00014%)

Dynamic Range: 129dB A weighted

Max output levels - to +24dBu

Frequency response at 44.1 kHz: dc to 20kHz (+/- 0.05dB)

Output impedance: 25 Ohm

Outputs are balanced through Apogee's proprietary Perfect Symmetry Circuitry (PSC)

Headphone Output

1 stereo 1/4 headphone output on front panel

THD+N: -110dB @19dBu into 600 Ohm (=80mW), -101dB @14dBu into 32 Ohm (=470mW)

Dynamic Range: 121db A weighted

Output: Apogee's proprietary Constant Current Drive? provides smooth frequency response with any headphones

Power

90-240VAC, 50-60Hz, 150W

Operating System

Thunderbolt: Mac OS only 10.9.5 and above

HD: Any Mac or PC running Pro Tools HD 9 or greater

Package Contents

Symphony I/O Mk II Interface

Power Cable

Quick Start Guide

Warranty Booklet

Symphony I/O Mk II Dimensions

Inches: 17.75 (19 with Rack Ears) x 11.5 x 3.5

Centimeters: 45 (48.26 with Rack Ears) x 29.2 x 8.9