# Which 2-channel audio interface has the most input/output options? — Verified Specification Comparison

> All specification data verified from official manufacturer documentation.

Which 2-channel audio interface has the most input/output options?

## Products

### Antelope Audio Zen Quadro
```yaml
product: antelope-audio-zen-quadro
brand: Antelope Audio
price_gbp: 372.39
origin_country: null
confidence_score: null
summary_source: generated_from_verified_specs_v1
latency: <1 ms
bit_depth: 24 bit
input_type: 4 mic/line inputs, 2 Hi-Z inputs, ADAT input, S/PDIF input, USB-C
output_type: 4 line outputs, 2 headphone outputs, S/PDIF output, USB-C
sample_rate: 192 kHz
phantom_power: 48 V
number_of_inputs: 14
number_of_outputs: 10
```

- **Price:** £372.39 [^1]
- **Summary:** The Zen Quadro is a bus-powered 14-in/10-out audio interface with four discrete preamps, dual USB-C connectivity, ADAT and S/PDIF expansion, and real-time Synergy Core effects. It suits producers, musicians, streamers, podcasters, and live performers who need flexible routing and low-latency monitoring.
- **Ideal For:** It suits users seeking the most input/output options in a 2-channel interface because it combines 14 simultaneous inputs and 10 outputs with four mic/line inputs, two Hi-Z inputs, ADAT, S/PDIF, four line outputs, two headphone outputs, and dual USB-C ports.
- **Additional Sources:** [^2], [^3]

---
## References & Sources
[^1]: Thomann, accessed 2026-09-04. https://www.thomannmusic.com/antelope_zen_quadro_synergy_core.htm
[^2]: Star's Music, accessed 2026-09-04. https://www.stars-music.com/antelope-audio-zen-quadro_207966.html
[^3]: Music Store Professional, accessed 2026-09-04. https://www.musicstore.com/en_OT/EUR/ANTELOPE-Zen-Quadro-Synergy-Core/art-PCM0018070-000