ESI U24XL - Audio interface
The ESI U24XL is a 2x2 USB audio interface by ESI. This mobile metal device offers TRS input/output and digital S/PDIF (optical and coaxial), 24-bit audio conversion, and supports ASIO 2.0 and Core Audio. Ideal for recording, mixing, DJing, and field use. Compatible with Windows and macOS. Comes bundled with Cubase LE and extra VST plugins.
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ESI U24XL – USB Audio Interface with Digital S/PDIF
The ESI U24XL is an ultra-compact USB audio interface designed for mobile music producers, DJs, and all those who value reliability and sound quality in a small form factor. Built from durable materials and equipped with analog and digital (S/PDIF) connectors, it delivers professional 24-bit / 48 kHz audio conversion. Whether you're in the studio or on the road, it ensures high-quality performance. Featuring ASIO 2.0 and Core Audio support, it provides low-latency operation on both Windows and macOS systems.
Product Features
- 2 analog TRS 1/4” line inputs
- 2 analog TRS 1/4” outputs (can also serve as headphone out)
- Digital S/PDIF input/output – optical and coaxial
- 24-bit / 48 kHz audio resolution with latency as low as 1 ms
- USB bus-powered – no external power supply required
- Rugged and compact full-metal housing
Versatility and Functionality in a Compact Format
Despite its pocket-size design, the ESI U24XL is a fully professional audio interface. With independent input and output channels, it allows for simultaneous recording and playback. The integrated S/PDIF I/O offers seamless integration with external gear, making it an ideal tool for both home and professional studios, as well as mobile applications.
Product Applications
- Mobile recording and mixing
- Podcasting and field work
- DJ setups and live performances
- Digital audio conversion
- Home recording and music education
Technical Specifications
- Type: USB 2x2 audio interface
- Conversion: 24-bit AD/DA
- Sampling rates: 32, 44.1, 48 kHz
- Analog inputs: 2x 1/4” TRS
- Analog outputs: 2x 1/4” TRS (headphones/line)
- Digital I/O: S/PDIF (Toslink & RCA)
- Input dynamic range: 102 dB SNR (A-weighted)
- Output dynamic range: 108 dB SNR (A-weighted)
- Latency: as low as 1 ms (with ASIO)
- Dimensions: 10 x 9 cm
Materials and Build
The interface is encased in a sturdy metal housing that protects internal components during transport or outdoor use. Its portable size allows it to fit easily in any backpack, while its professional I/O guarantees dependable operation in any setting.
What's in the Box
- ESI U24XL audio interface
- USB cable
- Steinberg Cubase LE license
- Ravity-ESI by Luxonix – PCM sounds (VST)
- LFX 1310 – multi-effect VST
- Atti-tube VST – guitar and bass amp simulator
- Tassman – modular synth by AAS
- ESI FX Pack – set of 7 effect plug-ins
Why Choose ESI U24XL?
If you’re looking for a compact USB interface with digital S/PDIF and professional audio quality, ESI U24XL is the right choice. It’s perfect for home, travel, school, or stage use. Easy to use yet technically advanced, it’s a reliable companion for every musical journey.
Product delivery details ESI U24XL - Audio interface
Shipment from Warsaw, Poland.
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ESI U24XL - Audio interface - Frequently asked questions.
Does the ESI U24XL require a power adapter?
No, the interface is USB bus-powered and does not need an external power source.
Is the ESI U24XL compatible with macOS?
Yes, it supports macOS through native Core Audio drivers.
What software is included?
The package includes Cubase LE, Ravity-ESI, LFX 1310, Tassman, FX Pack, and more.
Is this interface good for DJing?
Yes, it is portable and reliable – perfect for live DJ setups.
Can I plug headphones into the ESI U24XL?
Yes, the left TRS output can be used as a headphone output.
Can I use both S/PDIF and analog inputs at the same time?
Yes, the device supports simultaneous use of digital and analog audio paths.
What latency can I expect?
With ASIO 2.0 drivers, latency can go as low as 1 ms.
What are the interface’s dimensions?
It measures only 10 x 9 cm – extremely compact and portable.
Does it support Windows 11?
Yes, the U24XL works with Windows XP through Windows 11.
What I/O does the ESI U24XL have?
2 analog TRS inputs, 2 TRS outputs, and optical/coaxial S/PDIF.
About manufacturer ESI
ESI jest to niemiecka marka stworzona w 2006 roku, jako część założonej w 1998 roku przez Clausa Riethmüllera firmy RIDI multimedia GmbH. W 2013 roku obie marki zostały ostatecznie połączone i znane są pod nazwą ESI. Firma zajmuje się tworzeniem wysokiej jakości sprzętu audio w przystępnej cenie, tak aby każdy muzyk mógł się cieszyć doskonałym urządzeniem. Marka chętnie współpracuje z licznymi artystami, dlatego od ponad 20 lat dostrcza innowacyjny sprzęt, który spełnia oczekiwania i wymagania w 100%. W swoim instytucie badawczym w Stuttgarcie firma stale używa najnowszych technologii, aby rozwijać się i tworzyć trwałe i innowacyje rozwiązania.
Company
- Manufacturer's headquarters: Germany
Products
- Product count: 24
- Available product count: 23
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