Features of the Shure BLX288/SM58-H9 Dual Diversity System with Two BLX2/SM58 Mics: For Two Presenters or Performers 2 x SM58 Cardioid Mic/Transmitters Dual-Channel Tabletop Receiver 123 Auto-Scan Frequencies Internal Antenna Diversity 14-Hour AA Batteries Expandable to 12 Mic Channels/300′ Range Specifications: System Wireless Technology Analog UHF Number of RF Channel Frequencies 123 Included Transmitters 2 x Handheld Diversity Antenna Diversity RF Frequency Band H10: 542 to 572 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 Dynamic Range 100 dBA Receiver Receiver Type Tabletop Antenna 2 x Internal Number of Audio Channels 2 Audio I/O 2 x XLR 3-Pin Male Balanced Output 2 x 1/4″ TS Female Unbalanced Output Audio Output Level XLR Outputs: -27 dBV (Mic Level) 1/4″ Outputs: -13 dBV (Instrument Level) Frequency Response 50 Hz to 15 kHz (Dependent on Mic) Impedance XLR Outputs: 200 Ohms 1/4″ Outputs: 50 Ohms Power Requirements AC/DC Power Adapter AC/DC Power Adapter 12 to 15 VDC at 160 mA, Center-Positive (Included) Display & Indicators 2 x Multi-Segment LED (Channel, Group) 4 x LED (AF Level, Sync) Housing ABS Dimensions 15.3 x 1.6 x 4.6″ / 388 x 40 x 116 mm Weight 15.1 oz / 429 g 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 2.1 x 8.8″ / 53 x 224 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
