The Shure QLXD24/B58 Handheld Wireless Microphone System is a good choice. It can be used for mid-size events and installations in businesses, hotels, government offices, schools, houses of worship, live performance spaces, and more. It features 24-bit digital audio, network control and AES-256 encryption. The QLXD wireless system is built with switching diversity and automatic channel scan, and has IR sync capabilities to make finding an open frequency quick. Featuring a frequency range of 20 Hz to 20 kHz, it offers more than 60 available channels per frequency band. The handheld also has a backlit LCD display to allow for navigation though the menus and controls. With clearly defined performance, the QLX-D delivers good clean audio and provides professional features for demanding live sound events and installations. The QLXD24/B58A system includes a QLXD4 receiver, QLXD2 Transmitter with Beta58A capsule, PS23 power supply, two 1/2 wave antennas, two 2' BNC cables with bulkhead adapters, zipper bag, two AA alkaline batteries, and rackmount hardware.
Shure QLXD24/B58 Features:
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Interchangeable Beta58A microphone cartridge
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120 dB dynamic range
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Digital predictive switching diversity receiver to capture the clearest sound
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64 MHz tuning bandwidth
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Up to 17 compatible systems per 6 MHz TV band, and 22 systems per 8 MHz band
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Easy pairing of transmitters and receivers over IR scan and sync
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Automatic channel scan
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Selectable display mode showing group/channel, frequency, or battery runtime
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Rugged metal construction
Shure QLXD24/B58 Specifications:
| system |
| RF Carrier Frequency Range |
G50: 470-534 MHz |
| Working Range |
328' (100 m) Note: Actual range depends on RF signal absorption, reflection and interference |
| RF |
Tuning Step Size: 25 kHz, varies by region |
| Image Rejection |
Greater than 70 dB, typical |
| RF Sensitivity |
-97 dBm at 10-5 BER |
| Latency |
Less than 2.9 ms |
| Audio Frequency Response |
QLXD1: 20 Hz - 20 kHz (±1 dB) QLXD2: Dependent on microphone type |
| Audio Dynamic Range |
System Gain @ 10: Greater 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 1/4" (6.35 mm) 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 Capsule |
| Type |
Beta 58A |
| Frequency Response |
20 Hz to 20 kHz |
| Polar Pattern |
Cardioid |
| reciever |
| Housing |
Steel |
| Power Requirement |
12 VDC @ 0.4 A, supplied by external power supply (tip positive) |
| RF Input |
Spurious Rejection: Greater than 80 dB, typical Connector Type: BNC Impedance: 50 ohms |
| Audio Output |
Gain Adjustment Range: -18 to 42 dB in 1 dB steps Configuration: 1/4" (6.35 mm), Impedance balanced (Tip=audio, Ring=no audio, Sleeve=ground) XLR: Balanced (1=ground, 2=audio , 3=audio -) Impedance 1/4" (6.35 mm), 100 ohms (50 ohms Unbalanced) XLR: 100 ohms Full Scale Output: 1/4" (6.35 mm), 12 dBV XLR: LINE setting= 18 dBV, MIC setting= -12 dBV Mic/Line Switch: 30 dB pad Phantom Power Protection: 1/4" (6.35 mm), Yes XLR: Yes |
| Networking |
Network Interface: Single Port Ethernet 10/100 Mbps Network Addressing Capability: DHCP or Manual IP address Maximum Ethernet Cable Length: 328' (100 m) |
| Dimensions (H x W x D) |
1.63 x 7.75 x 5.94" (41 x 197 x 151 mm) |
| Weight |
1.71 lb (777 g) |
| handheld transmitter |
| Housing |
Machined aluminum |
| 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 |
| RF Output |
Antenna Type: Integrated Single Band Helical Occupied Bandwidth: Less than 200 kHz Modulation Type: Shure proprietary digital Power: 1 mW or 10 mW Note: See Frequency Range and Ouput Power table, varies by region |
| Dimensions (L x Diam) |
10.1 x 2.0" (256 x 51 mm) |
| Weight |
12.2 oz (347 g) |
| |
| Shipping Weight |
9.25 lb |
| Box Dimensions (WxHxD) |
17.6 x 4.0 x 19.4 |
