The SLXD2+/B87A handheld transmitter, featuring the Beta 87A supercardioid condenser microphone unlocks a new world of hands-free oversight and management for seasoned volunteers and pro engineers alike. Delivering wireless excellence, wherever required, wide-tuning SLXD+ transmitters and receivers stay in sync courtesy of a dedicated ShowLink Ease control link.Manage interference, scan for new channels and update for clear transmission automatically. Also monitor and configure via a paired mobile device.Main Features:Transparent 24-bit digital audio quality with >118 dB dynamic rangeRock solid RF with 138 MHz wide-tuning range for greater geographical coverage:Up to 11 simultaneous systems in 6 MHz TV bandsUp to 14 simultaneous systems in 8 MHz TV bandsAutomatic Setup once linked, SLX-D+ receivers and transmitters stay connected, despite any RF interferenceWith ShowLink Ease, transmitter parameters can be adjusted remotely over the air from the linked receiver, including:Changing the transmitter frequency once open frequency is identifiedAdjust power output levelLock and unlock transmitter controlsTransmitter firmware updatesMonitor RF status and control receiver and transmitter parameters with Wireless Workbench desktop software, or remotely with the WWB Mobile app over Wi-Fi or BluetoothEach SLX-D+ component and system ships with AES-256 Encryption installed, for complete and secure peace of mindUp to 8 hours of use from either 2 AA batteries (included) or optional Shure SB903 Li-ion rechargeable batteries and charging accessoriesRugged metal constructionSpecifications:Specifications not provided by the manufacturer for this product