# What is the quietest 4-channel audio interface available in the market? — Verified Specification Comparison

> All specification data verified from official manufacturer documentation.

What is the quietest 4-channel audio interface available in the market?

## Products

### SSL 12
```yaml
product: ssl-12
brand: SSL
price_gbp: 262.21
origin_country: null
confidence_score: null
summary_source: generated_from_verified_specs_v1
bit_depth: 32
sample_rate: 44.1, 48, 88.2, 96, 176.4, 192
phantom_power: +48V on 4 microphone inputs
input_connections: 4 XLR combo mic/line inputs, 2 Hi-Z instrument inputs, ADAT optical input, USB-C
midi_compatibility: MIDI DIN input and output
number_of_channels: 12 inputs and 8 outputs
output_connections: 4 balanced 1/4 in TRS outputs, 2 headphone outputs
```

- **Price:** £262.21 [^1]
- **Summary:** The SSL 12 is a USB-C audio interface with four SSL microphone preamps, 12 input channels, 8 outputs, ADAT expansion, MIDI, and two headphone outputs. It suits solo artists, small groups, producers, and project studios needing quiet preamps and flexible monitoring in a compact desktop unit.
- **Ideal For:** The SSL 12 is a strong choice for a quiet 4-channel setup because it provides four microphone preamps with a stated EIN of -130.5 dBu and individually switchable +48V phantom power.
- **Additional Sources:** [^2]

---
## References & Sources
[^1]: Musician's Friend, accessed 2026-09-13. https://www.musiciansfriend.com/pro-audio/solid-state-logic-ssl-12-usb-audio-interface/l99037000000000
[^2]: Thomann, accessed 2026-09-13. https://www.thomannmusic.com/ssl_12.htm