Apogee Electronics Symphony Mk II 8×8 + 16×16 PTHD Plus – 8 Mic/Line In x 16 Line In x 24 Line Out HD Plus Audio Interface with 6 x DB25 + AES, ADAT/SPDIF/SMUX Optical & 2 x SPDIF Coax [Atmos Ready]

OVERVIEW

The Apogee Electronics Symphony Mk II 8×8 + 16×16 PTHD Plus is a high-end, multi-channel audio interface built for demanding professional recording, mixing, mastering and immersive audio workflows. Combining a Connect 8 I/O module with a 16×16SE I/O module, it provides 8 Mic/Line inputs, 16 additional line inputs and 24 line outputs, delivering the flexibility needed for complex studio setups while maintaining Apogee’s flagship AD/DA conversion quality and dedicated Pro Tools HD Plus connectivity.

Its modular Symphony Mk II architecture provides extensive analog and digital connectivity, including 6 x DB25 connectors, AES, optical ADAT/SPDIF/SMUX and 2 x coaxial SPDIF connections. Ultra-low-latency performance and an intuitive front-panel touchscreen help streamline routing, monitoring and interface control, while the expanded I/O configuration makes it ideal for integrating large-format consoles, outboard processors, external converters and other professional studio equipment.

Designed and built in the USA, the Symphony Mk II 8×8 + 16×16 PTHD Plus also provides the flexibility required for advanced surround and immersive audio workflows. The Symphony Mk II platform supports monitor control for up to 32 speaker outputs, making it suitable for Dolby Atmos, Sony 360 Reality Audio and other multichannel production environments. It is a powerful solution for high-end music production, post-production, mixing, mastering and immersive audio applications where exceptional conversion and extensive connectivity are essential.

KEY HIGHLIGHTS

Expanded 24-Output I/O Configuration

Combining a Connect 8 I/O module with a 16×16SE I/O module, this configuration provides 8 Mic/Line inputs, 16 additional line inputs and 24 line outputs. The expanded output count makes it particularly well suited to complex mixing, routing and advanced monitoring applications.

Flagship Apogee AD/DA Conversion

Experience exceptional clarity, detail and dynamic range with Apogee’s flagship analog-to-digital and digital-to-analog conversion. Designed for demanding professional applications, it delivers the transparency and accuracy required for critical recording, mixing and mastering.

Dedicated Pro Tools HD Plus Connectivity

The included Pro Tools HD Plus card provides dedicated connectivity for compatible Pro Tools HD and HDX systems, making this configuration a powerful solution for professional recording, mixing and production environments built around the Pro Tools ecosystem.

Comprehensive Analog and Digital Connectivity

With 6 x DB25 connectors, AES, optical ADAT/SPDIF/SMUX and 2 x coaxial SPDIF connections, the interface provides extensive connectivity for integrating large-format consoles, outboard processors, external converters and other professional analog and digital equipment.

Ultra-Low-Latency Performance

Designed for demanding professional workflows, Symphony Mk II delivers ultra-low-latency performance for responsive recording and monitoring, helping keep complex studio sessions efficient and uninterrupted.

Ready for Advanced Monitoring Workflows

Symphony Mk II supports flexible monitor workflows for stereo, surround and immersive audio applications, making it suitable for Dolby Atmos, Sony 360 Reality Audio and other multichannel production environments, with support for control of up to 32 speaker outputs across the Symphony Mk II platform.

Intuitive Touchscreen Control

An integrated touchscreen display provides direct, convenient access to essential interface settings and control, helping simplify operation in fast-paced professional studio environments.

Designed and Built in the USA

Designed and built in the USA, the Symphony Mk II is engineered for professional audio environments where exceptional sound quality, flexibility and long-term reliability are essential.

FEATURES

• Flagship Apogee AD/DA conversion
• 8 Mic/Line inputs
• 16 additional line inputs
• 24 line outputs
• 1 x Connect 8 I/O module
• 1 x 16×16SE I/O module
• Dedicated Pro Tools HD Plus connectivity
• 6 x DB25 connectors
• AES digital I/O
• Optical ADAT/SPDIF/SMUX connectivity
• 2 x coaxial SPDIF connections
• Ultra-low-latency performance
• Modular I/O architecture with support for up to 32 channels of analog I/O across the Symphony Mk II platform
• Intuitive front-panel touchscreen display
• Advanced monitor workflows for stereo, surround and immersive audio
• Supports monitoring systems with control of up to 32 speaker outputs
• Suitable for Dolby Atmos, Sony 360 Reality Audio and other immersive audio formats
• Professional headphone output with Apogee Constant Current Drive™
• Balanced outputs with Apogee’s proprietary Perfect Symmetry Circuitry (PSC)
• Compatible with Pro Tools HD and HDX systems
• Designed and built in the USA

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: SPDIF/ADAT/SMUX

Coaxial: 2 x SPDIF

Host Connection: Pro Tools HD Plus Card

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

Pro Tools HD/HDX: Mac or PC running Pro Tools HD 9 or later

Included Configuration

1 x Symphony Mk II Chassis

1 x Connect 8 I/O Module

1 x 16x16SE I/O Module

1 x Pro Tools HD Plus Card

DOWNLOADS

• User Guide PDF (6.87 MB)