Apogee Electronics Symphony Mk II 16×16 – 16 Line In x 16 Line Out Thunderbolt 3 Audio Interface with 4 x DB25 & SPDIF Coax [Atmos Ready]
OVERVIEW
Flagship Audio Performance for Professional Studios
The Apogee Electronics Symphony Mk II 16×16 combines 16 channels of line-level input and 16 channels of line-level output with Apogee’s flagship AD/DA conversion for exceptional sonic accuracy, clarity and dynamic range. Designed for professional recording, mixing and mastering applications, this high-performance Thunderbolt 3 audio interface provides the connectivity and audio quality required for demanding studio workflows.
Flexible Modular I/O and Professional Control
Built around the Symphony Mk II modular architecture with four DB25 connections and a coaxial SPDIF, the 16×16 configuration provides extensive analogue connectivity while supporting up to 32 channels of modular analogue I/O across the Symphony Mk II platform. Ultra-low-latency performance and an intuitive touchscreen display help streamline operation, while the Thunderbolt 3 card provides high-speed computer connectivity. The Symphony Mk II platform also supports additional professional connectivity options, including Pro Tools HD, Dante and SoundGrid, depending on the installed configuration.
Ready for Immersive Audio
With Symphony I/O Mk II Thunderbolt Monitor Workflows, the Symphony Mk II 16×16 can be configured for Dolby Atmos, Sony 360 Reality Audio and other immersive audio systems, with control of up to 32 speaker outputs. This makes it a flexible solution for advanced surround, spatial and immersive mixing environments, combining professional monitoring capabilities with the transparency and precision of Apogee’s flagship conversion.
KEY HIGHLIGHTS
16 x 16 Line-Level I/O
With 16 line inputs and 16 line outputs, the Symphony Mk II 16×16 provides extensive analogue connectivity for integrating professional outboard equipment, mixing consoles, monitoring systems and other studio hardware.
Flagship Apogee AD/DA Conversion
Symphony Mk II delivers Apogee’s flagship analogue-to-digital and digital-to-analogue conversion, providing exceptional clarity, low distortion and high dynamic range for critical recording, mixing and mastering applications.
Ultra-Low-Latency Performance
Thunderbolt connectivity delivers ultra-low-latency performance for responsive recording, monitoring and production workflows in demanding professional studio environments.
Ready for Immersive Audio
Symphony I/O Mk II Thunderbolt Monitor Workflows make it easy to configure and operate monitoring systems for Dolby Atmos, Sony 360 Reality Audio and other immersive audio formats, with control of up to 32 speaker outputs.
Intuitive Touchscreen Display
The integrated touchscreen display provides direct, intuitive access to essential interface settings and controls, helping streamline operation without relying entirely on computer-based control.
Modular Professional Platform
Symphony Mk II features a modular I/O architecture supporting up to 32 channels of analogue I/O, offering the flexibility to configure the platform for different professional recording, mixing and post-production requirements.
Professional Connectivity Options
The Symphony Mk II platform supports Thunderbolt connectivity and can also be configured for Pro Tools HD, Dante and SoundGrid workflows, depending on the installed configuration.
Designed and Built in the USA
Designed and built in the USA, the Symphony Mk II is engineered for professional audio applications where exceptional performance, flexibility and reliability are essential.
FEATURES
- Flagship Apogee AD/DA conversion
- 16 x line inputs
- 16 x line outputs
- Up to 32 channels of modular analogue I/O
- Ultra-low-latency Thunderbolt performance
- Thunderbolt 3 connectivity
- 4 x DB25 connectors
- Coaxial S/PDIF connectivity
- Intuitive touchscreen display
- Monitor Workflows for advanced speaker management
- Supports Dolby Atmos, Sony 360 Reality Audio and other immersive audio systems
- Control of up to 32 speaker outputs
- Designed for professional recording, mixing and mastering
- Connectivity options include Pro Tools HD, Dante, Thunderbolt and SoundGrid, depending on configuration
- Designed and built in the USA
TECHNICAL SPECS
Analogue I/O
Configuration: 16 Line In x 16 Line Out
I/O Module: 16x16SE
Expansion: Modular I/O architecture, up to 32 channels
Analog Inputs: 16 line
Analog Outputs: 16 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: 4 connectors
Coaxial: SPDIF
Host Connection: Thunderbolt 3
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
Included Configuration
1 x Symphony Mk II Chassis
1 x 16x16SE I/O Module
1 x Thunderbolt 3 Card










