The Shure QLXD24/Beta 87A is a digital wireless handheld microphone system that is part of Shure's QLX-D line of digital wireless systems. Shure QLX-D Digital Wireless delivers defined, streamlined performance with transparent 24-bit digital audio.
Combining professional features with simplified setup and operation, QLX-D offers outstanding wireless functionality for demanding live sound events and installations. QLX-D delivers outstanding wireless functionality ideal for mid-size events and installations in businesses, hotels, and government offices with conferencing spaces; schools, houses of worship, and live performance spaces. The QLXD2/Beta 87A is a premium quality supercardioid hand-held electret condenser vocal microphone with exceptionally smooth frequency response and high sound pressure level capability. QLXD2 Handheld Transmitter with BETA87A Cartridge.
Includes QLXD4 digital wireless receiver and QLXD2 handheld mic with Beta 87A cartridge. Transparent 24-bit digital audio captures every performance detail. Over 120dB of dynamic range eliminates transmitter gain adjustment. Wide 64MHz tuning bandwidth (region-dependent). Up to 17 compatible systems per 6MHz TV channel.
RF Carrier Range: 470-937.5MHz, varies by region. Working Range: 100 m (328 ft).
NOTE: Actual range depends on RF signal absorption, reflection and interference. RF Tuning Step Size: 25 kHz, varies by region.
Image Rejection: >70 dB, typical. RF Sensitivity: -97 dBm at 10-5 BER.
Audio Frequency Response QLXD1: 20 Hz - 20 kHz (+/-1 dB, Note: Dependent on microphone type). System Audio Polarity: 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) output. Operating Temperature Range: -18°C (0°F) to 50°C (122°F) (Battery characteristics may limit this range).
Storage Temperature Range: -29°C (-20°F) to 74°C (165°F) (Battery characteristics may limit this range). Network Interface: Single Port Ethernet 10/100 Mbps. Network Addressing Capability: DHCP or Manual IP address. Maximum Ethernet Cable Length: 328 ft (100 m). Dimensions (HxWxD): 1.63" × 7.75" × 5.94 (41mm × 197mm × 151mm).
Weight: 1.71 lbs (777 g, without antennas). Spurious Rejection: >80 dB, typical. Gain Adjustment Range: -18 to +42 dB in 1 dB steps. 1/4 (6.35 mm): Impedance balanced (Tip=audio, Ring=no audio, Sleeve=ground). XLR: Balanced (1=ground, 2=audio +, 3=audio -).
1/4 (6.35 mm): 100 Ohms (50 Ohms Unbalanced). 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 on both 1/4 (6.35 mm) and XLR. BETA 87A Handheld Transmitter Specifications.