Whirlwind pcUSB
MPN #PCUSB
2-channel USB direct box converting digital audio to balanced XLR outputs, 16-bit/48kHz, ground lift, stereo/mono switch, -20dB pad, and USB-powered.
The Whirlwind pcUSB is a versatile 2-channel active USB direct box designed to convert digital audio from USB-equipped devices into high-quality, balanced analog signals. This allows seamless integration with professional audio systems such as PA setups and mixing consoles, making it ideal for live sound engineers, presenters, and musicians. Supporting 16-bit digital audio at sample rates of 32 kHz, 44.1 kHz, and 48 kHz, the pcUSB ensures clear and accurate sound reproduction.
It features dual XLR male connectors for transformer-isolated, balanced analog outputs, minimizing noise and interference during transmission. The device includes a stereo/mono switch for flexibility in signal routing and a ground lift switch to eliminate hum and ground loop noise. An input pad attenuates high-level signals by -20 dB, preserving audio integrity and preventing distortion. Powered directly from the connected USB device, the pcUSB requires no external power source, enhancing its portability and ease of use.
Designed for live sound reinforcement, presentations, and recording applications, the pcUSB ensures high-quality audio integration with analog systems. Its compact, durable design and professional-grade features make it an essential tool for any audio professional needing reliable interfacing between digital and analog audio environments.
Features
USB to Analog Conversion: Transforms digital audio from USB outputs into high-quality, balanced analog signals for seamless integration with PA systems and mixing consolesStereo and Mono Operation: Offers a switchable stereo/mono mode to accommodate various audio setups and requirementsGround Lift Switch: Includes a ground lift feature to eliminate hum and noise caused by ground loops, ensuring clean audio outputInput Pad Attenuation: Provides a -20 dB pad switch to manage high-level input signals, preventing distortion and maintaining audio integrityPlug-and-Play Compatibility: Operates with standard USB connections, requiring no additional drivers for both Mac and Windows systemsBus-Powered Operation: Draws power directly from the connected USB device, eliminating the need for external power sources
Specifications
Converts digital audio from USB outputs to high-quality analog, stereo, balanced audio for connection to PA systems and mixing boardsUSB Type B input connectorDual balanced XLR male output connectorsSupported sample rates: 32 kHz, 44.1 kHz, 48 kHz at 16-bit resolutionMaximum output level: -3.4 dBV balanced with 0 dBFS inputPad switch provides -20 dB attenuation to prevent distortionGround lift switch eliminates hum and noise by disconnecting ground between circuit and XLR outputsStereo/Mono switch allows selection between stereo and mono output modesBus-powered via USB; no external power supply requiredWorks with laptops, smartphones, and tablets; no device driver requiredIncludes USB hookup cableDimensions: Approximately 15.5 cm x 15.5 cm x 8.0 cmWeight: Approximately 907 grams
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