Buy Used U4D by Shure

Contact a Sales Specialist about used U4D for sale.

U4D Wireless Communication System

...ntable unit features a bright, comprehensive LCD display and balanced XLR outputs on the rear panel.

Dual Transmitter Operation
The U4D dual receiver enables simultaneous operation of 2 microphone transmitters.

Marcad Diversity Operation
Shure's patented Marcad circuitry Minimizes RF noise and drop-out.

2400 Selectable Frequencies
The UHF-R series features 2,400 user selectable frequencies over a 60MHz band. Up to 60 Preset Compatible Systems/Band can operate simultaneously.

USB and EThernet Connections
A USB port enables direct connection to a PC. Shure's Wireless Workbench software (included) enables remote operation of parameters via PC. An EThernet network port enables networking of multiple receivers.

Audio Reference Companding
Shure's Audio Reference Companding scheme applies companding to certain segments of audio that exceed a threshold level. The result eliminates the "breathing" noise associated with standard compander circuits.

Automatic Transmitter Sync
The system provides automatic remote sync of channel and frequency between the transmitter and receiver.

Mic and Line Level Audio Output
The receiver features an balanced XLR output capable of microphone or line level signal. The XLR output features a ground lift switch to Minimize noise. An unbalanced 1/4" phone output is featured as well.

Shure Wireless Communication System

Shure. It's your sound. Here's You. You've got something to say. Something to play. You want to share it with the world - or maybe just 50 people in a smoky bar. Either way, music is your life. Here's Us. We're a lot like you, except we make microphones. We're passionate about sound - and about audio products. We design and build them as if we were using them ourselves. Because a lot of us do just that. KBase ResourcesAbout Us Resources Contact Shure: United States Asia Europe, Middle East & Africa Canada, Latin America & Caribbean Here's Your Sound. It's where we meet. Shure has been enthusiastically dedicated to helping you tell the truth in notes, words and sound since 1925. We make microphones and audio electronics to help amplify, process, and mix your sound. Perfectly. Transparently. Reliably. This success is and always has been due to our recognition that audio electronics are the means to self-expression for a diverse group of individuals worldwide. Without the desire of so many to have their unique voices heard, there would be no Shure Incorporated. Now, past our 75th year, we re-dedicate ourselves to this notion of being the audio tool of choice for personal expression, reminding ourselves that "Shure" is synonymous with "your sound." Our history is one of innovation and excellence. For instance, our SM57 and SM58 mics are still the world's top sellers - over 30 years after they were introduced. Our products are, quite simply, the tried and true products of genius. Of course, there's a lot more to the story. Click here for a Brief History of Shure. So, what do we make? Lots of great gear for stage and studio: Microphones. Wireless microphones and wireless guitar systems. Digital signal processors and feedback eliminators. Personal (in-ear) monitor systems. Hi-Fi phono cartridges and DJ needles. Portable mixers and digital signal processors. If you're here because you're a musician (or speaker or engineer or sound technician), you've come to the right place. It's nice to meet you. Because you and Shure, we've got something in common.

Bulbs - A Bulb or light bulb is a source of artificial light. There are many different kinds of bulbs including High Intensity Discharge or HIDs, Halogen, Fluorescent and Light Emitting Diodes, but the most . Used . common is the incandescence that works by the release of electromagnetic radiation. . Used . ...

Smoke Machine - A Smoke Machine or Fogger is an electrical device that creates clouds of artificual and hopefully non-toxic fog. The fog may come in different colors or smells and may be water or mineral based. It i. Used . s used for effects in theatre, staging, concerts and clubs.

Hazers by contrast create a more diffusive, expansive haze that is usually not a thick and is used to enhance other ef. Used . fects, such as lighting and light beams.

Staging - Staging is the process and art of selecting, designing, or modifying the performance space for a given purpose, be it theatrical, television, film or concert production. . Used . . Used . ...

Cabinets - A cabinet is a loudspeaker enclosure designed to prevent sound waves from the rear of the speaker combining with the sound waves from the front of the speaker creating
interference that would c. Used . ause the efficiency of the speaker to be compromised.. Used . ...

Analog signal - An analog or analogue signal is any variable signal continuous in both time and amplitude. It differs from a digital signal in that small fluctuations in the signal are meaningful. Analog is usually t. Used . hought of in an electrical context, however mechanical, pneumatic, hydraulic, and other systems may also use analog signals.

The word "analog" implies an analogy between cause an. Used . d effect, voltage in and voltage out, current in and current out, sound in and frequency out.

An analog signal uses some property of the medium to convey the signal's information. For example, an ...

Wireless Communication System

Wireless communication systems help individuals transfer important info amongst two or more points without actually being connected to each other. There devices such as a wireless headset and wireless receiver are long range communicating apparatuses that would be impossible to use with wires. Situations where the use of a wireless communication system is crucial are to link several transportable impermanent work areas, digitally connect users to networks, and backup a wireless communication network in case it fails. The distance between one wireless comm system device and another one can be as little as a few metres or as far as a millions of kilometres. Some examples of how these devices are often used are as two-way radios, remote control devices and modulated laser light systems. A wireless transmitter works with other wireless communication system devices by using radio frequencies, infrared communication and antennas to transfer information to a wireless receiver, which will then signal a device what to do. The wireless communication system differs in local coverage and availability. Some signals and satellites may not be able to provide you signal in certain areas. Therefore the performance and range of a wireless communication system should be thoroughly tested being used. Besides using no cords and wires, the majority of wireless communication instruments use point-to-point, broadcasting, wireless networks and cellular networks to receive and transfer info.