Celebrating 40 years of innovation in digital-audio technology, the Apogee Symphony I/O Mk II 16x16SE Thunderbolt 3 Audio Interface (40th Anniversary Edition) stands out as a top-tier choice for professionals seeking exceptional audio-conversion quality, modular flexibility, and seamless integration into high-end recording, mixing, and mastering environments.
Equipped with the Thunderbolt 3 Option Card, this interface delivers ultrafast data transfer and dramatically low latency. The 16x16SE I/O Module provides 16 channels of pristine analog line-level input and output via four DB-25 connectors, plus 2 channels of S/PDIF I/O via RCA. Utilizing Apogee’s most advanced AD/DA conversion technology, the Symphony I/O Mk II delivers world-class 24-bit / 192 kHz resolution with exceptional detail, transparency, and dynamic range. Additional features include an intuitive front-panel touchscreen display, precision control knob, and a dedicated headphone output for critical monitoring. With Dolby Atmos readiness, it’s perfectly suited for immersive audio-production environments.
Exclusive 40th Anniversary Edition
The Symphony I/O MkII 40th Anniversary Edition is a testament to innovation and superior sound quality. Only 100 of this Anniversary Edition will be produced worldwide, making it a truly collectible item.
Each unit features
- A striking all-purple faceplate with a commemorative 40th Anniversary badge.
- The Thunderbolt 3 Option Card preinstalled.
- A deluxe hard-bound anniversary book celebrating Apogee’s four decades of digital audio excellence.
- It is designed in California and built in the USA with uncompromising attention to detail.
- With Apogee's advanced Monitor Workflows, configuring and managing multichannel speaker setups is simple.
- Support for Dolby Atmos, Sony 360 Reality Audio, and other immersive formats allows for up to 32 speaker outputs, making the Symphony I/O Mk II a future-ready centerpiece for spatial audio production.
Tailor the Symphony I/O Mk II to your studio’s needs with three platform options:
- Thunderbolt 3 for ultralow-latency native workflows.
- Pro Tools + Dante for seamless integration with AVB networks and Pro Tools HD systems.
- Waves SoundGrid for real-time plug-in processing in live and studio environments.
- 16x16SE I/O module: 16x16 line-level analog I/O on four DB-25 connectors
- S/PDIF I/O: 2x2 digital I/O on two RCA connectors
- Wordclock I/O
- Low-latency, 24-bit / 192 kHz audio
- Front-panel headphones out
Specifications
General
| Display |
1x Color Touchscreen
|
| Channels of I/O |
Analog:
16 Inputs / 16 Outputs
S/PDIF:
2 Inputs / 2 Outputs
|
| Maximum Sampling Rate |
192 kHz / 24-Bit
|
| Number of Microphone Inputs |
No
|
| Built-In Microphone |
No
|
| Input Level Adjustment |
Knob
|
Signal Processing
| Pad |
No
|
| High-Pass Filter |
No
|
| Solo/Mute |
No
|
Connectivity
| Analog Audio I/O |
2x DB-25 Balanced Line Input
1x 1/4" TRS Headphone Output
2x DB-25 Balanced Line Output
|
| Phantom Power |
No
|
| Digital Audio I/O |
1x RCA Coaxial S/PDIF Input
1x RCA Coaxial S/PDIF Output
|
| Host Connection |
2x USB-C
|
| Host Connection Protocol |
Thunderbolt 3
|
| USB (Non-Host) |
No
|
| Sync I/O |
1x BNC Word Clock Input
1x BNC Word Clock Output
|
| Network I/O |
No
|
| MIDI I/O |
No
|
| Expansion Slots |
1x I/O Slot
1x Host Connection Slot
|
| Wireless |
No
|
Performance
| Frequency Response |
Line A/D Converters:
10 Hz to 20 kHz 0.05 dB (at 44.1 kHz)
|
| Maximum Input Level |
Line:
+24 dBu (+4 dBu ref)
+6 dBu (-10 dBV ref)
|
| Maximum Output Level |
Line:
+24 dBu
|
| Impedance |
Line Inputs:
10 Kilohms
Line Outputs:
25 Ohms
|
| Dynamic Range |
Headphone:
121 dBA
Line Inputs:
122 dBA
Line Outputs:
126 dBA
|
| THD+N |
Line Inputs:
-115 dB
Line Outputs:
-119 dB
Headphone Outputs:
-110 dB (into 600 Ohms)
-101 dB (into 32 Ohms)
|
Digital Audio
| Sample Rates |
Up to 192 kHz
|
| Sample Rate Conversion |
No
|
| Bit Depths |
24-Bit
|
| Sync Sources |
Internal, S/PDIF, Word Clock
|
Audio Storage & Playback
| Media/Memory Card Slot |
No
|
Compatibility
| OS Compatibility |
macOS
|
| Mobile Device Compatibility |
No
|
Power
| Power Requirements |
AC Input
|
| AC Input Power |
90 to 240 VAC, 50 / 60 Hz
|
| Power Consumption |
150 W
|
Physical
| Rackmount Size |
2 U (with Included Hardware)
|
| Dimensions |
19 x 11.5 x 3.5" / 48.3 x 29.2 x 8.9 cm (with Rack Ears)
|
Packaging Info
| Package Weight |
19.165 lb
|
| Box Dimensions (LxWxH) |
22.5 x 17.3 x 10"
|
