What features should I look for in a high-end USB audio interface?
This page compares 3 features should I looks with verified specifications and prices. Top options include Focusrite Scarlett 18i20 4th Gen, Universal Audio Volt 876, Solid State Logic SSL 2+. Prices range from £173 to £737. All data is sourced from manufacturer documentation and specialist retailers.
| Product ⇅ | Price ⇅ | Sample Rate (kHz) ⇅ | Bit Depth (bits) ⇅ | Inputs ⇅ | Outputs ⇅ | Latency (ms) ⇅ | Phantom Power ⇅ |
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Focusrite Scarlett 18i20 4th Gen
US
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£479.61 ≈ | 44.1 kHz, 48 kHz, 88.2 kHz, 96 kHz, 176.4 kHz, 192 kHz | 24-bit | — | — | — | ✓ |
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High-I/O USB-C audio interface with eight 4th-gen Scarlett mic preamps, 24-bit/192 kHz converters, dual ADAT for expandability, Auto Gain and Clip Safe workflow features, and dual headphone outputs; suited for project and mid-size professional studios needing extensive I/O. Includes Focusrite Control 2 for routing and mobile control. ★ Ideal forIdeal for a high-end USB audio interface because it offers 24-bit/192 kHz conversion, eight high-gain (69dB) mic preamps, and extensive analogue and digital I/O for flexible routing and expansion. |
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Universal Audio Volt 876
US
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£737.13 ≈ | 44.1, 48, 88.2, 96, 176.4, 192 kHz | 32 bit | — | — | — | ✓ |
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The Volt 876 is a rack-mount 24-in/28-out USB-C audio interface with eight digitally controlled mic/line preamps, onboard vintage preamp and 1176-style compressor emulations, 32-bit/192 kHz conversion, ADAT expansion, word clock and MIDI I/O. It targets professional and serious home studios needing high channel counts, hardware tone shaping, and comprehensive I/O in a single 1U unit. ★ Ideal forGood high-end USB interfaces should offer high sample rates and bit depth, low-latency I/O, per-channel phantom power and expandable ADAT channels; the Volt 876 provides 192 kHz sample rate, 32-bit conversion, selectable +48V per channel, eight analog preamps and ADAT expansion.
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Solid State Logic SSL 2+
US
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£173.40 ≈ | 44.1, 48, 88.2, 96, 176.4, 192 kHz | 24 bit | — | — | Under 5 ms | ✓ |
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The SSL 2+ is a USB-C audio interface with two SSL microphone preamps, 24-bit/192 kHz conversion, Legacy 4K analogue enhancement, and zero-latency monitor mixing. Its extra outputs, independent headphone outputs, and MIDI I/O make it well suited to home studios, producers, and collaborative recording. ★ Ideal forIt suits anyone seeking a high-end USB audio interface because it combines 24-bit/192 kHz conversion, two SSL preamps, 48V phantom power, under 5 ms latency, four analog outputs, independent headphone monitoring, and MIDI I/O. |
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