The Shure QLXD2/B87C-K51 is a wireless handheld transmitter specifically designed for Shure’s QLXD wireless systems. It is equipped with a Beta 87C microphone capsule, which offers an even polar pattern and a warm frequency response to enhance the sound quality of vocals. The condenser design allows for accurate capture of details, making it suitable for melodic vocalists who require a nuanced and smooth sound. Additionally, the transmitter utilizes 24-bit digital audio technology to ensure a pristine signal output through any PA system. Its efficient RF usage and reliable syncing capabilities make it easy to connect to a wireless receiver and maintain a stable connection over a range of 100 meters. What separates this range of transmitters from Shure is the option to interchange microphone capsules, allowing venues or performers to adapt them to suit the needs of their specific show.
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The Beta 87C microphone capsule boasts a cardioid polar pattern, which provides a consistent and uniform response, effectively reducing the risk of feedback. When paired with a wireless transmitter, it creates a versatile and robust vocal microphone that excels in delivering melodic and detailed vocal performances. The warm and smooth frequency response, along with Shure’s presence boost, adds depth and clarity to any voice, allowing it to cut through a live mix effortlessly.
The QLXD2 transmitter is stable and intuitive, syncing quickly with wireless receivers through a single button press, simplifying the setup process. With its reliable RF performance and 100-meter range, you can be confident that your sound will be transmitted without any complications. Furthermore, the interchangeability of microphone capsules provides even more flexibility, making it suitable for a variety of venues and festivals. Whether you need the smoothness of the B87C for soaring, detailed vocals or the legendary SM58 capsule for dynamic rock vocals, you can easily swap them out without the need for a separate transmitter.
Key features of the QLXD2 transmitter include secure 256-bit AES encryption for reliable transmission, over 120 dB of dynamic range for minimal gain adjustments, and selectable RF output power at either 1 mW or 10 mW. The transmitter is also compatible with the Shure SB900 rechargeable lithium-ion battery, offering extended battery life and charging capabilities. Its backlit LCD display allows for intuitive menu and control navigation, providing options to display group channel frequency and battery life. With a line-of-sight range of 100 meters and a heavy-duty metal construction, the QLXD2 transmitter is built to withstand intensive live use. Additionally, it features a frequency and power lockout function to prevent electrical overload, ensuring safe operation.
Specifications of the QLXD2 transmitter include an electret condenser cartridge type, a frequency response range of 50 to 16000 Hz, a cardioid polar pattern, and a mic offset range of 0 to 21 dB. It can be powered by either the Shure SB900A rechargeable Li-Ion battery or AA batteries, providing up to 10 hours of battery life with the SB900A and up to 9 hours with alkaline batteries. The dimensions of the transmitter are 256 mm x 51 mm, and it weighs 347 g without batteries. The housing is made of machined aluminum, and the input configuration is unbalanced. The maximum input level at 1 kHz and 1% THD is 139 dB, and it has an integrated single-band helical antenna. The occupied bandwidth is less than 200 kHz, and the modulation type is Shure proprietary digital. The selectable power options are 1 mW or 10 mW.
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