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SI releases KeyControl 49+ Controller Keyboard and U24 XL USB Interface


ESI's UK and Ireland distributor, Time+Space, has announced two brand new products from the audio hardware specialist are now shipping:

ESI KeyControl 49+ [RRP Inc: £74.99 / €98.00]
Master MIDI controller for computer based home studio environments

KeyControl 49+KeyControl 49+ is a cost effective MIDI keyboard for your home studio. With the 49 full-size velocity sensitive keys and the USB connection, KeyControl 49+ is the perfect master MIDI controller for computer based home studio environments.

The lightweight keyboard can send all important MIDI messages via a simple user interface. You can connect KeyControl 49+ to your Macintosh or PC via a simple USB connection. No additional power supply is required, no drivers need to be installed.


  • Edit buttons for advanced programming.
  • Pitch Bend and assignable modulation wheels.
  • 2 data wheels.
  • 3 function button.
  • Sustain pedal connector.
  • Power supplied via USB.
  • For Windows XP, Windows Vista, Windows 2003, Mac OS X, Linux.

ESI U24 XL [RRP Inc: £84.99 / €110.00]
2 in 4 out portable USB interface

U24 XLU24 XL continues the ESI tradition of offering extremely small and portable high quality audio devices. With the legacy of their famous Waveterminal U24 in mind, the U24 XL has been released just in time for the 10th anniversary of ESI product sales.

With dimensions of around 10 cm x 9 cm, the U24 XL is a device that can go with you anywhere. It offers the total flexibility of an external USB device and pure digital quality, coupled with true high quality 24-bit support on the 2 analog input and 2 analog output channels provided via TRS connectors. U24 XL also provides digital S/PDIF connections in both optical and coaxial format.


  • 2 x analog input and 2 analog output channels (1/4" TRS connectors).
  • One output connector usable as headphone output.
  • S/PDIF digital in and out available via optical (Toslink) and coaxial (RCA) connectors.
  • 24 Bit AD/DA converter.
  • Realtime input monitoring for incoming signals.
  • Drivers for Windows Vista/XP with ASIO support with low latency.
  • Core Audio support under Mac OS X 10.4 and higher.
  • Bundled with Steinberg Cubase LE 4.0 for PC and Mac.


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