ESI Planet 22x USB audio-interface

In a compact home studio, a podcaster and a guitarist sit side by side, each needing a reliable way to capture their performance. The ESI Planet 22x USB audio interface gives them two high-quality microphone preamps with phantom power, plus line inputs for keyboards or drum machines. Connect it to a laptop via USB, and you have a 4-in/4-out recording hub that fits on any desk.

Key specifications

• USB 2.0 audio interface with 4 inputs and 4 outputs
• 2x XLR/TRS combo inputs with +48V phantom power for condenser microphones
• 2x RCA line inputs for connecting synthesizers, mixers, or other gear
• 2x 1/4" TRS main outputs and 1x 1/4" TRS headphone output with independent volume
• Supports sample rates up to 192 kHz at 24-bit resolution
• Hardware direct monitoring for zero-latency recording
• Bus-powered via USB – no external power supply needed
• Compatible with Windows, macOS, and Linux (ASIO 2.0, WDM, CoreAudio)
• Includes Bitwig Studio 8-Track DAW software
• Robust metal chassis, desktop form factor

Why choose it

The Planet 22x delivers professional-grade audio quality with 24-bit/192 kHz converters and a dynamic range of 102 dB (AD) and 108 dB (DA). Its dual mic preamps are clean and quiet, making it ideal for vocals, acoustic instruments, and podcasting. Direct monitoring ensures you hear yourself without delay, and the bus-powered design means you can record anywhere with just a laptop.

Ideal use cases

• Home studio recording for singer-songwriters and small bands
• Podcasting and voice-over work with two microphones
• Mobile recording setups for field recording or live capture
• Connecting synthesizers and drum machines to a DAW
• Upgrading from a basic built-in sound card for better sound quality

Good to know

The Planet 22x is class-compliant on macOS and Linux, meaning no driver installation is required. On Windows, ASIO drivers are provided for low-latency performance. The included Bitwig Studio 8-Track gives you a full-featured DAW to start recording immediately. With its metal construction and compact size, it is built to last and easy to transport.