Shure QLXD2/SM58 WirelessHandheld Transmitter with SM58 Microphone

The QLXD2/SM58, a handheld wireless transmitter by Shure is a perfect choice for capturing audio. It is featuring a 24-bit digital audio quality and is ideal to use for wireless vocals in presentation spaces, music venues, worship houses, DJ setups and more. QLXD2/B87C also features a 20 Hz to 20 kHz frequency response and having more than 60 available channels per frequency band. It is powered by 2AA batteries and QLXD2/B87C can also be synced with a wireless receiver over IR at the push of a button to maintain clear, uninterrupted signal over its entire 100m (328ft) range. The all-metal construction of QLXD2/B87C ensures durability & a broad selection of compatible microphone choices is perfect of your presentation.

 
Features:

• 24-Bit digital audio quality
• Incredibly efficient RF spectrum usage
• Quick syncing with a wireless receiver over IR at the push of a button
• Clear, uninterrupted signal over the entire operating range 
• AES 256-bit encryption for secure transmission
• Over 120 dB of dynamic range: no transmitter gain adjustment needed
• 1, 10 mW selectable RF output power
• Optional Shure SB900A lithium ion rechargeable battery reports remaining runtime in hours and minutes
• External charging contacts for docked charging
• Backlit LCD with easy to navigate menu and controls
• Selectable display mode showing group/channel, frequency, or battery runtime
• Rugged metal construction
• Frequency and power lockout
• Frequency Band You can Purchase the QLXD Wireless systems in are
  Tunable Frequency Range (MHz)
  

• RF Carrier Frequency Range: G50: 470 to 534 MHz
• Working Range: 328' / 100 m
• RF: Tuning Step Size: 25 kHz, Varies by Region
• Image Rejection: >70 dB, Typical
• RF Sensitivity: −97 dBm at 10⁻⁵ BER
• Latency: <2.9 ms
• Frequency Response: 20 Hz to 20 kHz
• Audio Dynamic Range: System Gain @ +10: >120 dB, A-Weighted, Typical
• Total Harmonic Distortion (THD): −12 dBFS Input, System Gain @ +10: <0.1%
• Polarity: System Audio: Positive Pressure on Microphone Diaphragm Produces Positive Voltage on Pin 2 (with Respect to Pin 3 of XLR Output) and the Tip of the 6.35 mm (1/4-inch) Output.
• Operating Temperature Range: 0° to 122°F / -18° to 50°C
  Note: Battery Characteristics May Limit this Range 
• Storage Temperature Range: -20° to 165°F / -29° to 74°C
  Note: Battery Characteristics May Limit this Range
• Mic Offset Range: 0 to 21 dB (in 3 dB Steps)
• Battery Type: Shure SB900 Rechargeable Li-Ion or AA Batteries 1.5 V
• Battery Runtime: At 10 mW
  Shure SB900: up to 10 Hours
  Alkaline: up to 9 Hours
• Audio Input: Configuration: Unbalanced
  Maximum Input Level 1 kHz at 1% THD: 145 dB SPL (SM58), TypicalNote: Dependent on Microphone Type
• Maximum Input Level: 1 kHz at 1% THD: 145 dB SPL (SM58), Typical
• Capsule: SM58
• RF Output: Antenna Type: Integrated Single Band Helical
  Occupied Bandwidth: <200 kHz
  Modulation Type: Shure Proprietary Digital
  Power: 1 mW or 10 mW (Varies by Region)
• Housing: Machined Aluminum
• Dimensions (L x Diam): 10.1 x 1.5" / 256 x 37 mm
• Weight: 12.2 oz / 347 g without Batteries