Apogee Symphony I/O Mk II 16x16 SE Thunderbolt Interface
Chassis
I/O Module 1
I/O Module 2
Thunderbolt Card
Option Card
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Description
The Apogee Symphony I/O Mk II 16x16 SE is a 2U rackmount multichannel audio interface built on the Symphony I/O Mk II chassis, configured here with a 16x16 SE module, plus Thunderbolt connectivity for a Mac host. As delivered it provides 16 analog inputs and 16 analog outputs, running through Apogee's flagship conversion.
Installed I/O Modules
- 16x16 SE: 16 balanced line inputs and 16 balanced line outputs on DB25, using Apogee's Special Edition conversion with the ESS 9822pro A/D converter
Connectivity
Thunderbolt connects the interface to a Mac as a native audio device with low round-trip latency. Routing, input settings, and monitor control are handled in Symphony Control software or from the front-panel touchscreen.
Chassis and Control
The Symphony I/O Mk II chassis holds Apogee's flagship conversion, a front-panel color touchscreen for input selection, gain, metering, and monitor control at the rack, and two module bays for up to 32 channels. Because the I/O is modular, the same chassis can be re-specified later as the room's channel count changes. Apogee's Symphony Control software mirrors the hardware controls on the computer, and the optional Apogee Control hardware remote adds a physical level knob and assignable buttons.
Specifications
- Analog inputs: 16 line
- Analog outputs: 16 line
- Connectivity: Thunderbolt (Mac)
- Conversion: Apogee flagship AD/DA, 24-bit / up to 192 kHz
- Expansion: two module bays, up to 32 channels per chassis
- Display: front-panel color touchscreen
- Rack size: 2U
- Dimensions: 450 x 292 x 89 mm (17.75" x 11.5" x 3.5"); 482.6 mm (19") wide with rack ears fitted
- Weight: approximately 8 kg (17.6 lb) for the chassis; total weight depends on installed modules
- Power: 90 to 240V AC, 150W internal supply
In the Box
- Symphony I/O Mk II 16x16 SE with Thunderbolt connectivity
- IEC power cable
- Quick start guide
Thunderbolt, DigiLink, DB25, and network cables sold separately.














