Shure BLX2/SM58-H9 Wireless Handheld Transmitter with SM58 Mic

Features of the Shure BLX2/SM58-H9 Wireless Handheld Transmitter with SM58 Mic: For BLX Wireless Systems SM58 Dynamic Cardioid Capsule Integrated Capsule Design On/Off Power Button Adjustable Gain Control 14-Hr AA Batteries Specifications: Wireless Technology Analog UHF RF Frequency Band H9: 512 to 542 MHz RF Bandwidth 24 MHz RF Channel Scanning Auto-Scan Max Operating Range 300′ / 91.4 m (Line of Sight) Max Transmitters per Band 12 Encryption None Transmitter Transmitter Type Handheld RF Output Power 10 mW Audio I/O None Muting Off/On Switch Auto-Level Control No Gain Range -20 to -10 dB Sync Method Manual Antenna 1 x Internal (Handheld) Power Requirements Battery Battery Type 2 x AA (Included) Approx. Battery Life 14 Hours (Alkaline) Display & Indicators 1 x Multi-Segment LED (Channel, Group) 1 x LED (Battery Status, Power) Housing ABS Dimensions 2.5 x 4.3 x 0.8″ / 64 x 110 x 21 mm Weight 7.7 oz / 218 g (without Batteries) Microphone Microphone Type Handheld Capsule Sound Field Mono Capsule Dynamic Polar Pattern Cardioid Frequency Range 50 Hz to 15 kHz Sensitivity -54.5 dBV/Pa