The Sennheiser XSW 1-825-A is a professional UHF wireless microphone system configured as a vocal set, consisting of a handheld transmitter with an integrated vocal microphone and a compact diversity receiver. As a B-stock item, the system has been returned, factory inspected, tested, and recertified to perform to original specifications, potentially with minor cosmetic blemishes. Operating in the 823-832 MHz frequency range (Region A), it provides a stable, license-free link suitable for live performance, worship, presentations, and installed sound applications. The system employs true diversity reception, utilizing two antennas and an intelligent switching circuit to select the strongest signal, minimizing dropouts and ensuring reliable audio transmission as the performer moves within the operational range.

The handheld transmitter is built around a durable metal body housing a dynamic vocal microphone capsule, designed to deliver clear, articulate vocals with high feedback resistance. It features straightforward controls for power and channel selection, an LED status display, and is powered by two AA batteries offering extended operational life. The receiver is a compact half-rack unit with both XLR and 1/4-inch output options for flexible connection to mixing consoles, powered speakers, or recording equipment. It includes an easy-to-read LCD screen displaying frequency, audio level, and RF signal strength, along with simple setup controls for quick frequency coordination and level adjustment.

Designed for ease of use and reliable performance, the XSW 1-825-A system offers plug-and-play operation with features like automatic frequency scan to find the clearest channel and one-touch sync between transmitter and receiver. Its robust construction and Sennheiser's audio pedigree ensure high-quality sound reproduction and durability for mobile entertainers, speakers, and venues. As a recertified product, this wireless vocal set provides an accessible entry point into professional-grade wireless technology, offering significant value for musicians, houses of worship, and sound rental companies seeking a dependable wireless solution with the trusted performance of the Sennheiser brand.