Overview
Shure QLXD2/SM58 Handheld Transmitter with SM58® Microphone
For capturing audio, the QLXD2/SM58 Handheld Wireless Microphone Transmitter by Shure is a good choice to get the job done. Featuring transparent 24-bit digital audio quality, it is used for wireless vocals in presentation spaces, music venues, houses of worship, DJ setups, and more. Powered by 2 AA batteries, the QLXD2 quickly syncs with a wireless receiver over IR at the push of a button and maintains clear, uninterrupted signal over its entire 100 m (328 ft.) range. All-metal construction ensures durability, and a wide selection of compatible microphone choices is ideal for your presentation.
Features
- For the Shure QLX-D wireless system
- Features interchangeable Shure microphone capsules
- AES 256-bit encryption for secure transmission
- Up to 9 hours continuous use with 2 x AA alkaline batteries
- Optional Shure SB900 lithium ion rechargeable battery (sold separately) provides up to 10 hours of continuous use and reports remaining runtime in hours and minutes
- Backlit LCD with easy to navigate menu and controls
- Selectable display mode showing group/channel, frequency, or battery runtime
- Rugged metal construction
- Transmitter has 328' (100 meter) line-of-sight operating range
- Features frequency and power lockout
Shure QLXD2/SM58 Handheld Transmitter with SM58® Microphone
Working Range
328' (100 m)
RF
Tuning Step Size: 25 kHz, varies by region
Image Rejection
Better than 70 dB, typical
RF Sensitivity
−97 dBm at 10−5 BER
Latency
Less than 2.9 ms
Audio Dynamic Range
System Gain @ +10: Better than 120 dB, A-weighted, typical
Total Harmonic Distortion (THD)
−12 dBFS input, System Gain @ +10: Less than 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 hoursAudio Input
Configuration: unbalanced
Maximum Input Level 1 kHz at 1% THD: 145 dB SPL (SM58), typical
Note: Dependent on microphone typeMaximum Input Level
1 kHz at 1% THD: 145 dB SPL (SM58), typical
Note: Dependent on microphone typeCapsule
SM58
Housing
Machined aluminum
Dimensions (L x Diam)
10.1 x 1.5" (256 x 37 mm)
Weight
12.2 oz (347 g) without batteries