Overview
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
Specifications
|
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) |
|
Storage Temperature Range |
-20° to 165°F (-29° to 74°C) |
|
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 |
|
Audio Input |
Configuration: unbalanced |
|
Maximum Input Level |
1 kHz at 1% THD: 145 dB SPL (SM58), typical |
|
Capsule |
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 |
