Apogee’s flagship conversion, built around your studio. The Apogee Symphony I/O Mk II SYM2-16X16SE-2X6SE-TB-DAN is a modular multichannel audio interface with Thunderbolt + Dante + Pro Tools HD connectivity and 16×16 SE module + 2×6 SE module. Symphony I/O Mk II takes up to 32 channels of analog I/O per chassis, with an intuitive touchscreen – made for recording, mixing and mastering at the highest level.
Why customers choose it
Who it is for
Mixing and mastering engineers, commercial and project studios with outboard gear, post-production and Dolby Atmos rooms, and broadcast facilities that need many line inputs and outputs.
What’s in the box
- Symphony I/O Mk II (16×16 SE module + 2×6 SE module installed)
- 3-pin IEC power cable
- Quick Start Guide
- Warranty booklet
Specifications
| Model / configuration | SYM2-16X16SE-2X6SE-TB-DAN |
|---|---|
| Platform | Apogee Symphony I/O Mk II |
| Connectivity | Thunderbolt + Dante + Pro Tools HD |
| I/O modules | 16×16 SE module + 2×6 SE module |
| Analog I/O | 18 in / 22 out |
| Digital I/O (2×6 SE) | AES stereo in/out (XLR), optical in/out (ADAT 8 ch at 44.1-48 kHz, SMUX 4 ch at 88.2-96 kHz, S/PDIF), coaxial S/PDIF in/out |
| 2×6 SE conversion | A/D 124 dB, D/A 131 dB dynamic range (A-wtd) |
| A/D (16×16 SE) | Dynamic range 122 dB (A-wtd), THD+N -115 dB @ +22 dBu |
| D/A (16×16 SE) | Dynamic range 126 dB (A-wtd), THD+N -119 dB @ +21 dBu |
| Max input / output level | +24 dBu (+4 setting) / up to +24 dBu |
| Headphone output | 1 x 1/4″ stereo, front panel, Constant Current Drive |
| Front panel | Touchscreen, control knob, power button |
| Rear panel | 2 module slots, option card slot, word clock I/O, AC power |
| Compatibility | Mac only (macOS 10.10 and above); Mac or PC (Dante); Pro Tools HD 9 or later for HD |
| Power | 90-240 VAC, 50-60 Hz, 150 W |
| Type | Modular multichannel audio interface |
| Dynamic Range | A/D 122 dB, D/A 126 dB (16×16 SE) |
Good to know
- DB25 connections need DB25 snake cables (not included).
- Register with Apogee to download the Symphony Control software and firmware updates.
- Thunderbolt connection is Mac only.
FAQ
Can I change the modules later?
Yes. Symphony I/O Mk II has two module slots that take any combination of Mk II modules, plus an option card slot for other connectivity.
What is the difference between SE and non-SE modules?
SE (Special Edition) modules are Apogee’s top-of-the-line Symphony modules. The 16×16 SE uses the ESS 9822pro A/D chip and an ultra-low distortion output driver.
Why Thunderbolt 2/3 and not Thunderbolt 4 or 5?
Apogee says audio does not need more bandwidth, so there is no performance difference between Thunderbolt 2, 3, 4 and 5.
































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