# What are the most user-friendly 4-channel audio interfaces? — Verified Specification Comparison

> All specification data verified from official manufacturer documentation.

What are the most user-friendly 4-channel audio interfaces?

## Products

### Fender Studio Quantum LT 4
```yaml
product: fender-studio-quantum-lt-4
brand: Fender
price_gbp: 107.02
origin_country: null
confidence_score: null
summary_source: generated_from_verified_specs_v1
bit_depth: 24
sample_rate: 44.1, 48, 88.2, 96, 176.4, 192
phantom_power: +48 VDC
input_connections: 2 XLR/TRS mic/line combo, 2 1/4 in TS instrument
midi_compatibility: false
number_of_channels: 4 input, 2 output
output_connections: 2 balanced 1/4 in TRS main outputs, 1 1/4 in TRS headphone output
```

- **Price:** £107.02 [^1]
- **Summary:** The Fender Studio Quantum LT 4 is a compact 4-input, 2-output USB-C audio interface with two MAX-HD microphone preamps, two dedicated instrument inputs, 24-bit/192 kHz conversion, loopback, and low-latency monitoring. It suits guitarists, singer-songwriters, duos, small ensembles, podcasters, and home-studio creators.
- **Ideal For:** It is especially suitable for user-friendly 4-channel audio interfaces because its four inputs combine two XLR/TRS mic/line connections with two dedicated guitar and bass inputs, while loopback, standalone Mixer Mode, and remote monitoring control simplify recording and streaming.
- **Additional Sources:** [^2], [^3]

---
## References & Sources
[^1]: West Music, accessed 2026-09-13. https://www.westmusic.com/fender-studio-quantum-lt-4-4x2-audio-interface-700121
[^2]: Thomann, accessed 2026-09-13. https://www.thomannmusic.com/fender_studio_quantum_lt_4.htm
[^3]: Ted Brown Music, accessed 2026-09-13. https://tedbrownmusic.com/fender-studio-quantum-lt-4-usb-c-audio-interface