# What are the most portable 2-channel audio interfaces available? — Verified Specification Comparison

> All specification data verified from official manufacturer documentation.

What are the most portable 2-channel audio interfaces available?

## Products

### Apogee Electronics Duet 3
```yaml
product: apogee-electronics-duet-3
brand: Apogee Electronics
price_gbp: 517.09
origin_country: null
confidence_score: null
summary_source: generated_from_verified_specs_v1
latency: Zero-latency monitoring with onboard DSP
bit_depth: 24-bit
input_type: 2 XLR/TRS mic/line inputs and 2 1/4 in Hi-Z instrument inputs
output_type: 2 1/4 in balanced line/monitor outputs and 1 1/8 in stereo headphone output
sample_rate: Up to 192kHz
phantom_power: +48V switchable
number_of_inputs: 2
number_of_outputs: 4
```

- **Price:** £517.09 [^1]
- **Summary:** The Apogee Duet 3 is a compact 2x4 USB-C audio interface with two microphone preamps, Hi-Z instrument inputs, high-resolution conversion, and onboard DSP. It suits musicians, producers, voice creators, and mobile recording setups that need professional sound in a portable format.
- **Ideal For:** It specifically suits portable 2-channel recording because it provides two mic/line inputs, two Hi-Z instrument inputs, zero-latency DSP monitoring, bus-powered USB-C operation, and a compact aluminum design with a travel case.
- **Additional Sources:** [^2]

---
## References & Sources
[^1]: 17th Street, accessed 2026-09-05. https://17thstreet.com/apogee-electronics-duet-3-2x4-usb-c-audio-interface-2-mic-line-hi-z-preamps-phantom-power-dsp.html
[^2]: Blackout Audio, accessed 2026-09-05. https://blackoutaudio.com/products/apogee-duet-3-le