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Apogee Duet 3 is a 2x4 USB-C audio interface for Mac and Windows. It has two mic preamps with up to 65 dB of gain and 48 V phantom power, two instrument inputs, balanced stereo line outputs, a zero ohm headphone output, up to 24-bit/192 kHz conversion and on-board DSP for low latency recording with effects.
Apogee conversion and preamps in a low profile desktop interface you can carry anywhere.
Duet 3 records two channels at once from microphones, guitars, keyboards or line level sources, and plays back through a pair of balanced line outputs for studio monitors plus a separate headphone output. The inputs and line outputs connect through the included breakout cable, which keeps the desk clean.
The on-board hardware DSP runs the Symphony ECS Channel Strip, tuned by mixer Bob Clearmountain and sold separately, so you can track through EQ, compression and saturation without the delay of software monitoring. Apogee Control 2 software manages levels and settings.
The body is aluminum with a scratch resistant glass top and a single backlit control knob for monitor level and mic gain. It is bus powered over USB-C, with a second USB-C port for optional external power.
At a Glance
| Type | 2x4 USB-C audio interface |
| Mic preamps | 2, up to 65 dB gain, 48 V phantom |
| Instrument inputs | 2 Hi-Z, 1/4 inch |
| Line outputs | 2 balanced, 1/4 inch TRS |
| Headphone output | 1, 3.5 mm, zero ohm design |
| Resolution | Up to 24-bit/192 kHz |
| DSP | On-board, runs Symphony ECS Channel Strip |
| Power | USB bus powered, second USB-C for external power |
| Compatibility | macOS 10.15 and later, Windows 10 and later |
| Warranty | Full Apogee manufacturer warranty. Call 844-687-4208 for the current term |
Who Is the Apogee Duet 3 For?
Songwriters, producers, podcasters, voice over artists and streamers who record one or two sources at a time and want high end conversion in a small interface. It suits a desktop studio and travels easily with a laptop.
How Much I/O Does the Duet 3 Have?
| Mic/line inputs | 2 XLR, via breakout cable |
| Instrument inputs | 2 Hi-Z 1/4 inch, via breakout cable |
| Line outputs | 2 balanced 1/4 inch TRS, via breakout cable |
| Headphone output | 1 stereo 3.5 mm on the unit |
| USB | 2 USB-C, one for the computer, one for optional power |
| MIDI / digital I/O | None |
What Comes in the Box?
Duet 3, the breakout cable, a USB cable and a soft carrying case. The Duet Dock and the Symphony ECS Channel Strip plug-in are sold separately.
What Are the Key Specifications?
| Mic preamp gain | Up to 65 dB |
| A/D dynamic range | 122 dB, A-weighted |
| D/A dynamic range | 125 dB, A-weighted |
| Headphone dynamic range | 124 dB, A-weighted |
| Max analog input level | +18 dBu (+4 dBu ref) |
| Max analog output level | +18 dBu (+4 dBu ref) |
| A/D frequency response | 20 Hz to 20 kHz, +/-0.2 dB |
| D/A frequency response | 20 Hz to 20 kHz, +/-0.05 dB |
| Line output impedance | 50 Ohm |
| Headphone output impedance | 0 Ohm |
Why Apogee?
Apogee Electronics has built digital audio converters and interfaces in California since 1985. The first Duet came out in 2007 and helped define the portable professional interface. Duet 3 carries that design forward with Apogee conversion, preamps and hardware DSP.
Frequently Asked Questions
Is this a genuine Apogee product?
Yes. Victory is a veteran owned dealer in Miami and units ship new in original packaging with full manufacturer support.
Does it work with Windows?
Yes. Duet 3 works with macOS 10.15 and later and Windows 10 and later, controlled by Apogee Control 2.
Does it need a power supply?
No. It is powered by USB-C from the computer. A second USB-C port can take external power when needed.
Is the Symphony ECS Channel Strip included?
No. The DSP hardware is built in and the Symphony ECS Channel Strip is sold separately.
Is there a warranty?
Yes, it is covered by the full Apogee manufacturer warranty. Call 844-687-4208 for the current term.