Mic Shure BLX288/SM58 Handheld Wireless Microphone Shure BLX288-Sm58

Dual wireless system for vocal performances
Includes 2 BLX2/SM58 handheld transmitters, BLX88 dual-channel wireless receiver, power supply, AA batteries, and user guide
1-touch QuickScan frequency selection quickly locates the best open frequency
Up to 12 compatible systems per frequency band (region-dependent)
Transmission radius (line of sight) of up to 300 feet

Tech Specs
Simultaneous Systems Per Band: Up to 12
System: Analog/Digital: Analog
System: Frequency Range: 542-572 MHz
System: Operating Range: 300 ft. Line-of-sight
System: Frequency Response: 50Hz-15kHz
System: Microphone Included: Yes, 2 x SM58 Microphones
Microphone: Type: Dynamic
Microphone: Polar Pattern: Cardioid
Microphone: Max SPL: 94dB SPL
Microphone: Frequency Response: 50Hz-15kHz
Transmitter: Form Factor: Handheld with Mic Capsule
Transmitter: Dynamic Range: 100dB (A-weighted)
Transmitter: Mute Feature: Yes
Transmitter: Battery Type: 2 x AA
Transmitter: Battery Life: 14 hours
Transmitter: Dimensions: 8.8" x 2.1"
Transmitter: Weight: 0.48 lbs. (without batteries)
Receiver: Antenna Type: Fixed
Receiver: Type: Table Top
Receiver: Displays: LED
Receiver: Outputs: 2 x XLR, 2 x 1/4"
Receiver: Power Source: 12 to 15V DC power supply
Receiver: Dimensions: 15.3" x 1.6" x 4.6"