Product Overview

The Apogee Symphony I/O Mk II Pro Tools HD is a flagship-level audio interface
designed specifically for Pro Tools HD Native, HDX, and Core/Accel systems.
It delivers world-class sound quality with Apogee’s renowned AD/DA conversion,
ultra-low latency, and rock-solid reliability for professional recording, mixing,
and mastering environments.

Flexible Modular I/O System

Symphony I/O Mk II adapts seamlessly to any studio environment—from home and project studios
to scoring stages and world-class commercial facilities.
Featuring two module slots, each unit supports up to
32 inputs and 32 outputs of high-performance AD/DA conversion,
allowing your system to grow as your needs evolve.

Inputs

• Analog In: 8 balanced inputs via 25-pin D-Sub
• AES/EBU In: 8 channels via 25-pin D-Sub
• Optical In: Supports ADAT, SMUX, and S/PDIF
• ADAT: 8 channels at 44.1–48kHz
• SMUX: 8 channels at 88.2–96kHz
• S/PDIF Optical: 2 channels up to 96kHz
• S/PDIF Coaxial (RCA): 2 channels up to 192kHz

Outputs

• Analog Out: 8 balanced outputs via 25-pin D-Sub
• AES/EBU Out: 8 channels via 25-pin D-Sub
• Optical Out: Supports ADAT, SMUX, and S/PDIF
• ADAT: 8 channels at 44.1–48kHz
• SMUX: 8 channels at 88.2–96kHz
• S/PDIF Optical: 2 channels up to 96kHz
• S/PDIF Coaxial (RCA): 2 channels up to 192kHz

Key Features

• Apogee next-generation multichannel audio interface
• Direct Digilink connectivity for Pro Tools HD systems
• Ultra-low latency performance (1.35ms)
• 4.3″ TFT touchscreen with intuitive front-panel control
• Outstanding value per channel for professional studios