Symphony 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.

Features

• Best AD/DA conversion of any Thunderbolt Audio Interface
• Up to 32 Channels of modular analog I/O
• Ultra-low latency performance
• Intuitive touchscreen display
• Designed and Built in the U.S.A.
• Connectivity options: Pro Tools Plus, Thunderbolt, & SoundGrid

Specifications

Analog to Digital

• THD+N: -115 dB @ 22dBu (0.00020%) unweighted
• Dynamic Range: 122dB A weighted
• Maximum input levels:
• +4dB setting: +24dBu
• -10dB setting: +6dBV
• Frequency Response at 44.1 – 20,000 kHz (+/- 0.05dB)
• Input impedance: 10K

Digital to Analog:

• THD+N:-119dB @ 21 dBu (0.00014%) unweighted
• Dynamic Range: 126 dB A weighted
• Max output levels – ∞ to +24dBu
• Frequency Response at 44.1 kHz: dc to 20 kHz (+/- 0.05dB)
• Output impedance: 50 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: 121 db A weighted
• Output: Apogee’s proprietary Constant Current Drive™ provides smooth frequency response with any headphones.

Power

• 90-240VAC, 50-60Hz, 150W