The Radial USB Pro Stereo USB Laptop DI Line Isolator is perfect for PA systems, mixing consoles, powered speakers, and mic preamps. It effortlessly converts digital audio tracks to balanced analog outputs. With Plug & Play technology, it provides the easiest way to send high-quality audio from a laptop to a sound system.
When connected, the USB-Pro will automatically be listed as an available sound card in the audio settings of all popular operating systems. It also has a 3.5mm output that allows headphones to be used for checking signal quality. If any noise is encountered, ground lift switches and isolation transformers are provided for quick and efficient solutions. The USB-Pro ensures a clean connection to the PA.
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Features of the Radial USB Pro Stereo USB Laptop DI Line Isolator include a 24-bit digital audio converter, no driver required, a 3.5mm analog headphone output, and balanced Lo-Z outputs with switchable isolation. It also has an adjustable level control and is ideal for use with microphone preamps, PA systems, mixing consoles, or powered speakers.
The USB-Pro operates on plug and play and has a standard USB type-B port. Its book-end design with I-beam construction ensures stability, and it has a non-slip pad for added security.
Specifications of the USB-Pro include a custom decoder with analog line drive audio circuit type, USB 1.1 Full Speed compliance, a bit depth of 24-bit (16-bit capable), and a sampling rate of 44.1kHz / 48kHz / 96kHz. It is compatible with various sound file formats and software.
The frequency response ranges from 5Hz to 40kHz (30Hz to 18kHz with isolation), with a dynamic range of over 90 dB and a noise floor of -90 dB. The maximum gain is +8 dBu, and the total harmonic distortion is 0.01 percent. It has a stereo separation of 75 dBu and an output impedance of 250 ohms.
The USB-Pro has a USB connector B-Type for digital input, stereo balanced mic level XLR-male outputs, and a 3.5mm TRS headphone output. It also has a variable level control that works on both the headphone and XLR outputs. The isolation and mono switches offer additional flexibility, and the ground lift lifts pin-1 on both XLR outputs.
It is powered via USB bus, with a maximum power consumption of 500mA. The USB-Pro should only be used in dry locations between 5°C and 40°C. It has a durable powder coat finish and weighs 680g. The dimensions are 48mm in height, 84mm in width, and 127mm in depth.
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