Apogee Electronics Symphony Mk II 8×8 + 16×16 – 8 Mic/Line In x 16 Line In x 24 Line Out Thunderbolt 3 Audio Interface with 6 x DB25 + AES, ADAT/SPDIF/SMUX Optical & 2 x SPDIF Coax [Atmos Ready]
OVERVIEW
Flagship Audio Performance for Professional Studios
The Apogee Electronics Symphony Mk II 8×8 + 16×16 delivers the renowned sound quality and flexibility of the Symphony Mk II platform in a powerful hybrid I/O configuration. Combining an 8-channel Mic/Line input module with a 16×16 line I/O module, the system provides 8 Mic/Line inputs, 16 line inputs and 24 line outputs, making it an ideal solution for large-scale recording, mixing and mastering environments where extensive analogue connectivity is essential.
Flexible Modular I/O and Professional Connectivity
Built around Apogee’s modular Symphony Mk II architecture, the system combines six DB25 connections with an AES connection, an optical SPDIF/ADAT/SMUX interface and dual coaxial SPDIF, offering up to 32 channels of modular analogue I/O while maintaining ultra-low-latency performance and intuitive touchscreen control. The included Thunderbolt 3 connectivity provides a high-performance connection to compatible computer systems, while the Symphony platform supports additional connectivity options including Pro Tools HD, Dante and SoundGrid, depending on the installed configuration.
Ready for Immersive Audio
Symphony Mk II Thunderbolt features Monitor Workflows designed to simplify professional monitoring for Dolby Atmos, Sony 360 Reality Audio and other immersive audio formats. With the ability to control up to 32 speaker outputs, the Symphony Mk II provides the flexibility required for sophisticated surround and immersive monitoring environments, while Apogee’s flagship conversion delivers the clarity, dynamic range and precision needed for critical listening.
KEY HIGHLIGHTS
24 Channels of Analogue I/O
The 8×8 + 16×16 configuration combines 8 Mic/Line inputs with 16 line inputs and 24 line outputs, providing extensive analogue connectivity for professional studios and complex hardware-based production setups.
Flagship Apogee Conversion
Symphony Mk II features Apogee’s flagship AD/DA conversion, delivering exceptionally low distortion, high dynamic range and accurate, transparent audio reproduction for demanding recording, mixing and mastering applications.
Modular I/O Architecture
The Symphony Mk II platform supports up to 32 channels of modular analogue I/O, allowing configurations to be tailored to different studio requirements and workflows.
Ready for Immersive Audio
Thunderbolt Monitor Workflows make it possible to configure and operate monitoring systems for Dolby Atmos, Sony 360 Reality Audio and other immersive audio formats, with support for controlling up to 32 speaker outputs.
Ultra-Low-Latency Performance
Designed for professional production environments, Symphony Mk II provides ultra-low-latency performance for responsive recording and monitoring workflows.
Intuitive Touchscreen Control
The integrated touchscreen display provides intuitive access to essential interface and monitoring controls, making it easy to manage settings directly from the hardware.
Professional Connectivity
Symphony Mk II supports a range of professional connectivity options, including Thunderbolt, Pro Tools HD, Dante and SoundGrid, depending on the installed configuration.
Designed and Built in the USA
Symphony Mk II is designed and built in the USA for professional audio applications where long-term performance and reliability are essential.
FEATURES
- Designed and built in the USA
- Connectivity options include Pro Tools HD, Dante, Thunderbolt and SoundGrid
- Flagship Apogee AD/DA conversion
- 8 Mic/Line inputs
- 16 line inputs
- 24 line outputs
- 1 x 8×8 Connect 8 + 1 x 16x16SE I/O configuration
- Thunderbolt 3 connectivity
- Up to 32 channels of modular analogue I/O
- Ultra-low-latency performance
- Intuitive touchscreen display
- 6 x DB25 connectors
- 1 x AES digital connection
- 1 x optical SPDIF/ADAT/SMUX I/O connection
- 2 x coaxial SPDIF connections
- Immersive audio monitoring with Symphony I/O Mk II Thunderbolt Monitor Workflows
- Dolby Atmos and Sony 360 Reality Audio support
- Control of up to 32 speaker outputs
- Apogee Perfect Symmetry Circuitry (PSC) on balanced outputs
- Constant Current Drive™ headphone technology
- 1 stereo 1/4″ headphone output on the front panel
- Optional world-class microphone preamps
- Designed and built in the USA
- Connectivity options include Pro Tools HD, Dante, Thunderbolt and SoundGrid
TECHNICAL SPECS
Analogue I/O
Configuration: 8 Mic/Line In x 16 Line In x 24 Line Out
I/O Modules: 1 x Connect 8 + 1 x 16x16SE
Expansion: Modular I/O architecture, up to 32 channels
Analog Inputs: 8 mic/line + 16 line
Analog Outputs: 24 line
Analog-to-Digital Conversion
THD+N: -115dB @ 22dBu (0.00020%), unweighted
Dynamic Range: 122dB A-weighted
Maximum Input Level (+4dB setting): +24dBu
Maximum Input Level (-10dB setting): +6dBV
Frequency Response: 20Hz–20kHz ±0.05dB @ 44.1kHz
Input Impedance: 10kΩ
Digital-to-Analog Conversion
THD+N: -119dB @ 21dBu (0.00014%), unweighted
Dynamic Range: 126dB A-weighted
Maximum Output Level: ∞ to +24dBu
Frequency Response: DC–20kHz ±0.05dB @ 44.1kHz
Output Impedance: 50Ω
Output Circuitry: Apogee proprietary Perfect Symmetry Circuitry (PSC)
Output Configuration: Balanced
Headphone Output
Outputs: 1 stereo 1/4″ headphone output on front panel
THD+N: -110dB @ 19dBu into 600Ω (80mW)
THD+N: -101dB @ 14dBu into 32Ω (470mW)
Dynamic Range: 121dB A-weighted
Technology: Apogee Constant Current Drive™
Digital Connectivity
DB25: 6 connectors
AES: 1 connection
Optical: 1 x SPDIF/ADAT/SMUX
Coaxial: 2 x SPDIF
Host Connection: Thunderbolt 3
Additional Connectivity Options:
- Pro Tools HD
- Dante
- SoundGrid
Immersive Audio
Monitor Workflows: Symphony I/O Mk II Thunderbolt Monitor Workflows
Immersive Formats: Dolby Atmos, Sony 360 Reality Audio and other immersive audio systems
Speaker Outputs: Up to 32
Power
Power Requirements: 90–240VAC, 50–60Hz
Power Consumption: 150W
Operating System & Compatibility
Thunderbolt: macOS 10.10 and later
Pro Tools HD/HDX: Mac or PC running Pro Tools HD 9 or later
Symphony Mk II Dante: Also compatible with PC
Included Configuration
1 x Symphony Mk II Chassis
1 x Connect 8 I/O Module
1 x 16x16SE I/O Module
1 x Thunderbolt 3 Card














