Shure AD2/B87A Handheld Wireless Microphone Transmitter

The Shure AD2/B87A is a Handheld Wireless Microphone Transmitter Compatible with Axient Digital Wireless Systems, delivers impeccable audio quality and RF performance with wide-tuning, High-Density mode, and encryption. Features durable metal construction, rechargeable power with dockable charging, and black finish and with breakthrough RF performance and wide tuning up to 184 MHz, the AD2/B87A puts professional-quality wireless digital audio within reach. Product Specifications: Gain Offset Range: –12 to 21 dB (in 1 dB steps) Battery Type: SB900A Rechargeable Li-Ion, or LR6 AA batteries 1.5 V Battery Run Time: up to 9 hours Configuration: Unbalanced Maximum Input Level: 1 kHz at 1% THD145 dB SPL, typical (SM58) Antenna Type: 1/4 Wave Occupied Bandwidth: <200 kHz Dimensions: 10.1 × 2.0 in Weight: 12.0 oz (340 g)