SKU: 89645511864

Apogee SYM2-2X6SE Thunderbolt Audio Interface with Special Edition 2x6 Analog I/O and 8x8 Digital I/O

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Description

Apogee SYM2-2X6SE Thunderbolt Audio Interface with Special Edition 2x6 Analog I/O and 8x8 Digital I/OThe Apogee Electronics Symphony I O Mk II Thunderbolt Audio Interface with Special Edition 2x6 Analog I O and 8x8 Digital I O is an audio interface designed to deliver high performance A D and D A conversion at up to 192 kHz for mixing and mastering engineers in personal, project, and commercial studios. The included 2x6 SE I O card features stunning dynamic range with low distortion and noise for mastering grade sonic quality. Its analog I O includes

The Apogee Electronics Symphony I/O Mk II Thunderbolt Audio Interface with Special Edition 2x6 Analog I/O and 8x8 Digital I/O is an audio interface designed to deliver high-performance A/D and D/A conversion at up to 192 kHz for mixing and mastering engineers in personal, project, and commercial studios. The included 2x6 SE I/O card features stunning dynamic range with low distortion and noise for mastering-grade sonic quality.

Its analog I/O includes two inputs on XLR 3-pin jacks and six outputs on a DB25 connector. Additional XLR, TOSLINK optical, and RCA coaxial jacks provide connectivity for AES/EBU, ADAT, and S/PDIF digital inputs and outputs. The chassis utilizes Thunderbolt connectivity for high-speed data transfer rates and compatibility with Core Audio software. Its front panel presents a TFT touchscreen display, multi-function control knob, and convenient 1/4" stereo headphone output.

Apogee Electronics Symphony I/O Mk II Chassis (Thunderbolt)

The Symphony I/O Mk II from Apogee Electronics is an advanced, flexible multi-channel audio interface featuring the newest flagship AD/DA conversion, modular I/O (up to 32 inputs and outputs), and an intuitive touchscreen display. The chassis provides two I/O Module slots for a variety of digital audio conversion options that form the interface side of the Symphony I/O Mk II. The front-panel touch screen offers convenient access to nearly every setting including sample rate, clock source, headphone & speaker output levels, meters for all I/O and section navigation, as well as input levels, digital I/O, and configuration settings.

The rear panel provides access to the two I/O Module slots that are capable of a combined thirty-two channels of input and output, while the two Thunderbolt connectors ensure compatibility with newer Mac computers. Also included are Wordclock I/O connectors & termination, an option card slot, and a quiet digitally-controlled fan to keep everything running cool.

The Symphony I/O Mk II features a single ultra-high-fidelity DAC and headphone amplifier  with Apogee's Constant Current Drive technology, which was first introduced in the Apogee Groove. The headphone amplifier dynamically compensates for non-linearities of any connected headphones, providing massive power while maintaining extremely low distortion and linear frequency response.

The optional five I/O Modules allow the user to choose from standard configurations, or customize the following – channel count, analog to digital input, digital to analog output, microphone preamps (requires an analog card), and digital I/O.

Apogee Electronics 2x6 SE Special Edition Mastering I/O Card for Symphony I/O Mk II

The Apogee Electronics 2x6 SE is a special-edition mastering I/O card designed to deliver high-performance A/D and D/A conversion at up to 192 kHz for mixing and mastering engineers in personal, project, and commercial studios. It features low THD+N (-116 dB for analog inputs, -118 dB for analog outputs) and high dynamic range (124 dBA for analog inputs and 131 dBA for analog outputs) for uncompromising accuracy and detail.

Its analog I/O includes two inputs on XLR 3-pin jacks and six outputs on a DB25 connector. Additional XLR, TOSLINK optical, and RCA coaxial jacks provide connectivity for AES/EBU, ADAT, and S/PDIF digital inputs and outputs. The 2x6 SE is easily installed in a Symphony I/O Mk II Thunderbolt or Pro Tools HD chassis.

Features

  • Thunderbolt Connectivity
  • Includes 2x6 SE I/O Card
  • High-Performance A/D-D/A Conversion
  • Two Analog Inputs, Six Analog Outputs
  • AES, ADAT, and S/PDIF Digital I/O
  • Front-Panel TFT Touchscreen Display
  • Multi-Function Control Knob
  • 1/4" Stereo Headphone Output
  • Up to 192 kHz Sample Rate
  • Compatible with Core Audio Software

Specifications

Apogee Electronics Symphony I/O Mk II Chassis (Thunderbolt) Specs

Analog to Digital
ADC
THD+N: -114 dB @ 22 dBu (0.00020%)
Dynamic Range: 122 dB (A weighted)
Maximum Input Levels:
+4 dB Setting: +24 dBu
-10dB Setting: +6 dBV
Frequency Response at 44.1 kHz: 1 Hz to 20 kHz (±0.05 dB)
Input impedance: 10 kOhms
Digital to Analog
DAC
THD+N: -117 dB @ 21 dBu (0.00014%)
Dynamic Range: 129 dB (A weighted)
Max Output Levels: -∞ to +24 dBu
Frequency Response at 44.1 kHz: DC to 20 kHz (±0.05 dB)
Output Impedance: 25 Ohms
Outputs are balanced through Apogee's proprietary Perfect Symmetry Circuitry (PSC)
Headphone Output
Headphone
Stereo Headphone Output (Front Panel): 1/4" / 6.35 mm
THD+N:
-110 dB @ 19 dBu into 600 Ohm (=80 mW)
-101 dB @ 14 dBu into 32 Ohm (=470 mW)
Dynamic Range: 121 dB (A weighted)
Output: Apogee's proprietary Constant Current Drive provides smooth frequency response with any headphones
System Requirements
System Requirements
Computer: Thunderbolt-equipped Mac
Memory: 4 GB RAM minimum, 8 GB RAM recommended
OS X 10.9.5 or greater
Thunderbolt cable (sold separately)
General Specifications
Power
90 to 240 VAC, 50/60 Hz, 150 W
Dimensions
Without Rack Ears: 17.8 x 11.5 x 3.5" / 450.9 x 292.1 x 88.9 mm
With Rack Ears: 19.0 x 11.5 x 3.5" / 482.6 x 292.1 x 88.9 mm
Weight
Not specified by manufacturer
Packaging Info
Package Weight
18.4 lb
Box Dimensions (LxWxH)
22.8 x 17.9 x 9.9"

Apogee Electronics 2x6 SE Special Edition Mastering I/O Card For Symphony I/O Mk II Specs

General
Compatible Interfaces
Apogee Symphony MkII
Analog Audio I/O
2x XLR 3-Pin Balanced Line Input
1x XLR 3-Pin Stereo Input
1x DB-25 25-Pin Balanced Line/8-Channel Output (on Breakout Cable)
1x XLR 3-Pin Stereo Output
Digital Audio I/O
1x TOSLINK Optical ADAT / S/PDIF Input (S/MUX Support)
1x RCA Coaxial S/PDIF Input
1x TOSLINK Optical ADAT / S/PDIF Output (S/MUX Support)
1x RCA Coaxial S/PDIF Output
Host Connection
Thunderbolt/Mini DisplayPort
Host Connection Protocol
Thunderbolt 3
USB (Non-Host)
No
Sync I/O
No
Network I/O
No
MIDI I/O
No
Performance
Frequency Response
20 Hz to 20 kHz
Maximum Input Level
+24 dBu
+10 dBu
Impedance
Inputs:
10 Kilohms
Outputs:
50 Ohms
Dynamic Range
A/D Converters:
124 dB
D/A Converters:
131 dB
THD+N
A/D Converters:
-116 dB
D/A Converters:
-118 dB
Digital Audio
Sample Rates
44.1 kHz
Bit Depths
32-Bit
Packaging Info
Package Weight
2.25 lb
Box Dimensions (LxWxH)
13.9 x 12.2 x 3.4"
Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
  • Except Preorder products are shipped in 48 hours.
  • Delivery to the USA:
  1. Standard Shipping : 3-10 business days
  • If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
  • We offer a 30-day return/exchange service after receiving.
  • Final sale items are not eligible for returns or exchanges.
  • To process your return/exchange, please contact us at [email protected]
  • Please click here for more details>>> Return & Exchange Policy
SKU: 89645511864

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Tabascovich
Chelsea, US
★★★★★ 5
Excellent flavor, tenderness, texture and quality
Wow, blown away by the excellent flavor, tenderness, texture and quality. I have never eaten Biltong before but it came up in Chatgpt when I asked about a great protein source to carry in my motorcycle tank bag that tastes better and has less UPFs and sugar than most beef jerky. The answer it gave me was Biltong. I gave this a try and love it.
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Reviewed in the United States on January 25, 2026
M
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me
Battle Creek, US
★★★★★ 4
Very moist jerky
I like this style of jerky because it’s natural and I like the fat that is in it. I have purchased other brands that I like better than this brand. The taste is good, good quality and the product is very fresh. My only issue is I like dry jerky and feel the moisture content is way too high in this product for me. If you like moist jerky, than this is for you. If you like shoe leather jerky keep searching.
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Reviewed in the United States on March 17, 2022
S
Verified Purchase
Srinivas
Waukegan, US
★★★★★ 5
Best biltong tasted to date
Biltong depot produces the best biltong I have tasted to date . I was ordering the 8oz slabs till now but I am going to order these instead . Same taste but the convenience is that it’s already been thinly sliced . The only thing I could say is a negative is it has too much sodium which could be reduced.
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Reviewed in the United States on December 16, 2025
E
Verified Purchase
Erin
Lowell, US
★★★★★ 5
Actual biltong that is not dried to the point of being jerky
If you are like me, you have ordered biltong as slabs and pre-sliced slabs from a bunch of companies promising the real deal. Too many of those companies trim the fat or dry things out so much that it might as well be American beef jerky with coriander added to the spice blend. This just arrived and we opened the bag not expecting anything different honestly. I am sitting here eating it and logging on to write a review because this is finally the real deal. I wouldn't say that it is wet, but it isn't American jerky level dry either and there is good fat on the pieces. It's pricey, and there was a dry piece or two and a bit of fat that hadn't been properly flavored, but it is the next best thing to a freshly sliced wet and fat slab. If you can afford this treat, don't waste your money on the less expensive stuff -this is what you are missing.
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Reviewed in the United States on April 7, 2022
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ana
Pawtucket, US
★★★★★ 1
MADE MY FAMILY SICK
Awful. Came in package gummed up. Made my family sick. Never order this. Ive had better product.
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Reviewed in the United States on March 18, 2026

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