Apogee Electronics Symphony Mk II Dual 8×8 – 16 Mic/Line In x 16 Line Out Thunderbolt 3 Audio Interface with 4 x DB25 + 2 x AES, 2 x ADAT/SPDIF/SMUX Optical & 2 x SPDIF Coax [Atmos Ready]

OVERVIEW

The Symphony Mk II Dual 8×8 is a professional-grade 16-in/16-out Thunderbolt 3 audio interface built around Apogee’s flagship AD/DA conversion technology and modular I/O architecture. Featuring two Connect 8 I/O modules, the system provides 16 mic/line inputs and 16 line outputs, giving recording, mixing and mastering engineers substantial analogue I/O for complex studio setups. Ultra-low-latency Thunderbolt 3 connectivity, an intuitive touchscreen display and optional world-class microphone preamps further enhance its professional workflow.

Built for demanding modern studios, the Symphony Mk II Dual 8×8 combines four DB25 connections with two AES connections, dual optical SPDIF/ADAT/SMUX interfaces and dual coaxial SPDIF connections for extensive digital integration. Its modular design can support up to 32 channels of analogue I/O, allowing the system to expand as your studio requirements grow.

The interface is also ready for immersive production, with Symphony I/O Mk II Thunderbolt Monitor Workflows providing sophisticated monitoring control for Dolby Atmos, Sony 360 Reality Audio and other immersive formats with up to 32 speaker outputs. With exceptional conversion performance, Apogee’s Perfect Symmetry Circuitry and Constant Current Drive™ headphone technology, the Symphony Mk II Dual 8×8 is engineered as a powerful centrepiece for high-end professional audio environments.

KEY HIGHLIGHTS

16×16 Professional I/O

The Dual 8×8 configuration combines two Connect 8 I/O modules to provide 16 mic/line inputs and 16 line outputs, giving professional studios extensive analogue connectivity for recording, mixing and outboard equipment.

Flagship Apogee Conversion

Symphony Mk II delivers exceptionally transparent AD/DA conversion with 122dB of A/D dynamic range and 126dB of D/A dynamic range, providing the accuracy required for critical recording, mixing and mastering.

Modular Architecture

The Symphony Mk II platform supports up to 32 channels of modular analogue I/O, allowing the system to be configured and expanded around the evolving needs of a professional studio.

Thunderbolt 3 Performance

Thunderbolt 3 provides high-speed connectivity and ultra-low-latency performance, supporting demanding multichannel recording, mixing and monitoring workflows.

Extensive Digital Connectivity

Four DB25 connections are complemented by two AES connections, dual optical SPDIF/ADAT/SMUX interfaces and dual coaxial SPDIF connections, providing extensive options for integrating digital converters and other studio hardware.

Atmos-Ready Immersive Monitoring

Symphony I/O Mk II Thunderbolt Monitor Workflows enable sophisticated monitoring configurations for Dolby Atmos, Sony 360 Reality Audio and other immersive formats, with control of up to 32 speaker outputs.

Intuitive Touchscreen Control

The integrated touchscreen display provides direct and intuitive access to important interface and monitoring functions, helping streamline operation in demanding studio environments.

Professional Headphone Monitoring

The front-panel stereo headphone output incorporates Apogee’s Constant Current Drive™ technology, providing a smooth frequency response across a wide range of headphones and impedance levels.

Designed and Built in the USA

The Symphony Mk II is designed and built in the USA, combining premium conversion, flexible modular I/O and professional-grade connectivity in a robust studio-focused system.

FEATURES

• Flagship Apogee AD/DA conversion
• 16 mic/line inputs
• 16 line outputs
• Dual 8×8 Connect 8 I/O configuration
• Thunderbolt 3 connectivity
• Up to 32 channels of modular analogue I/O
• Ultra-low-latency performance
• Intuitive touchscreen display
• 4 x DB25 connectors
• 2 x AES digital connections
• 2 x optical SPDIF/ADAT/SMUX connections
• 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: 16 Mic/Line In x 16 Line Out

I/O Modules: 2 x Connect 8

Expansion: Modular I/O architecture, up to 32 channels

Analog Inputs: 16 mic/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

AES: 2 connections

Optical: 2 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

2 x Connect 8 I/O Modules

1 x Thunderbolt 3 Card

DOWNLOADS

• User Guide PDF (6.87 MB)