# What is the quietest 8-channel audio interface available in the market? — Verified Specification Comparison

> All specification data verified from official manufacturer documentation.

What is the quietest 8-channel audio interface available in the market?

## Products

### Focusrite Scarlett 18i20 4th Gen USB Audio Interface
```yaml
product: focusrite-scarlett-18i20-4th-gen-usb-audio-interface
brand: Focusrite
price_gbp: 569.37
origin_country: null
confidence_score: null
summary_source: generated_from_verified_specs_v1
bit_depth: 24-bit
sample_rate: 44.1 kHz, 48 kHz, 88.2 kHz, 96 kHz, 176.4 kHz, 192 kHz
phantom_power: 48V
input_impedance: 3 kOhm microphone inputs; 24 kOhm line inputs
midi_compatibility: MIDI input and output
number_of_channels: 18 inputs / 20 outputs
```

- **Price:** £569.37 [^1]
- **Summary:** The Scarlett 18i20 4th Gen is an 18-input, 20-output USB audio interface with eight low-noise microphone preamps, 24-bit/192 kHz conversion, ADAT, S/PDIF and MIDI connectivity. It suits project studios, producers and engineers recording drums, full bands or multiple hardware instruments.
- **Ideal For:** It suits the search for a quiet 8-channel audio interface because it provides eight microphone preamps with -127 dBu A-weighted EIN and 116 dB microphone-input dynamic range, supporting low-noise multi-channel recording.
- **Additional Sources:** [^2], [^3]

---
## References & Sources
[^1]: Focusrite, accessed 2026-09-13. https://us.focusrite.com/products/scarlett-18i20
[^2]: B&H Photo Video, accessed 2026-09-13. https://www.bhphotovideo.com/c/product/1847364-REG/focusrite_scarlett_18i20_4g_scarlett_16i20_usb_c_audio_midi.html
[^3]: Guitar Center, accessed 2026-09-13. https://www.guitarcenter.com/Focusrite/Scarlett-18i20-4th-Gen-18x20-USB-C-Audio-Interface-1500000439315.gc