# Which 8-channel audio interface is ideal for professional use with high-end equipment? — Verified Specification Comparison

> All specification data verified from official manufacturer documentation.

Which 8-channel audio interface is ideal for professional use with high-end equipment?

## Products

### Universal Audio Apollo x8p Gen 2 UAD Analog Classics Edition with UAD Ultimate 14 Add-on
```yaml
product: universal-audio-apollo-x8p-gen-2-uad-analog-classics-edition-with-uad-ultimate-14-add-on
brand: Universal Audio
price_gbp: 2586.59
origin_country: null
confidence_score: null
summary_source: generated_from_verified_specs_v1
bit_depth: 24-bit
sample_rate: 192 kHz
phantom_power: 48V
number_of_channels: 8
```

- **Price:** £2586.59 [^1]
- **Summary:** This rackmount Thunderbolt audio interface provides eight Unison mic preamps, 24-bit/192 kHz conversion, HEXA Core DSP processing, and immersive-monitoring features. It suits professional studios, producers, and engineers working with high-end microphones, outboard equipment, and large plug-in-heavy sessions.
- **Ideal For:** It is ideal for professional use with high-end equipment because it combines eight Unison mic preamps, 24-bit/192 kHz conversion, 130 dB D/A dynamic range, HEXA Core DSP, and extensive analog, optical, monitor, and surround I/O.

### Cranborne Audio 500R8 8-Slot 500 Series Rack/Interface
```yaml
product: cranborne-audio-500r8-8-slot-500-series-rack-interface
brand: Cranborne Audio
price_gbp: 1330.27
origin_country: null
confidence_score: null
summary_source: generated_from_verified_specs_v1
bit_depth: 24-bit
sample_rate: 44.1, 48, 88.2, 96, 176.4, 192 kHz
phantom_power: 48V
midi_compatibility: 5-pin MIDI I/O
number_of_channels: 28 in/30 out
```

- **Price:** £1330.27 [^2]
- **Summary:** The 500R8 combines an eight-slot 500 Series rack with a 28-in/30-out USB audio interface, analogue summing mixer, monitor controller, and zero-latency artist mixer. It suits professional studios that need high-quality conversion, extensive connectivity, and flexible integration of analogue 500 Series hardware.
- **Ideal For:** It is ideal for professional use with high-end equipment because it provides 28-in/30-out USB connectivity, 121 dB A-weighted conversion, operation up to 192 kHz, 5-pin MIDI I/O, ADAT, S/PDIF, word clock, and eight configurable 500 Series slots.
- **Additional Sources:** [^3], [^4]

### Solid State Logic SSL 12 USB Audio Interface
```yaml
product: solid-state-logic-ssl-12-usb-audio-interface
brand: Solid State Logic
price_gbp: 262.5
origin_country: null
confidence_score: null
summary_source: generated_from_verified_specs_v1
bit_depth: 32-bit
sample_rate: 192 kHz
phantom_power: 48V
input_impedance: 1.2 kΩ mic, 15 kΩ line
midi_compatibility: MIDI DIN input and output
number_of_channels: 12-in/8-out
```

- **Price:** £262.5 [^5]
- **Summary:** The SSL 12 is a 12-input, 8-output USB audio interface with four SSL microphone preamps, 32-bit/192 kHz conversion, ADAT expansion, MIDI I/O, and flexible headphone and monitor routing. It suits musicians, producers, engineers, and project studios that need professional connectivity and high-resolution recording in a compact desktop unit.
- **Ideal For:** The SSL 12 suits professional use with high-end equipment because it provides 12-in/8-out operation, 32-bit/192 kHz conversion, four SSL preamps, +24 dBu line outputs, ADAT expansion, and MIDI I/O.
- **Additional Sources:** [^6], [^7]

---
## References & Sources
[^1]: Vintage King, accessed 2026-09-14. https://vintageking.com/universal-audio-apollo-x8p-gen-2-thunderbolt-audio-interface-uad-analog-classics-edition-with-uad-ultimate-14-add-on
[^2]: Front End Audio, accessed 2026-09-14. https://www.frontendaudio.com/cranborne-audio-500r8-500-series-rack/
[^3]: Vintage King, accessed 2026-09-14. https://vintageking.com/cranborne-audio-500r8-8-slot-500-series-rack-interface
[^4]: Thomann, accessed 2026-09-14. https://www.thomannmusic.com/cranborne_audio_500r8.htm
[^5]: Guitar Center, accessed 2026-09-14. https://www.guitarcenter.com/Solid-State-Logic/SSL-12-USB-Audio-Interface-1500000388962.gc
[^6]: B&H Photo Video, accessed 2026-09-14. https://www.bhphotovideo.com/c/product/1736549-REG/solid_state_logic_726705x1_ssl12_usb_audio_interface.html
[^7]: Thomann, accessed 2026-09-14. https://www.thomannmusic.com/ssl_12.htm