Shure qlxd24e b87a

For capturing audio the QLXD24/B87A Handheld Wireless Microphone System by Shure 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 QLX-D 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 clean audio and provides professional features for demanding live sound events and installations. The QLXD24/B87A system includes a QLXD4 receiver, QLXD2 Transmitter with Beta 87A 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. Specs: Interchangeable Beta 87A microphone cartridge 120 dB dynamic range Digital predictive switching diversity 64 MHz tuning bandwidth Up to 17 compatible systems per 6 MHz TV band, and 22 systems per 8 MHz band Easy pairing of transmitters and receivers over IR scan and sync Automatic channel scan Selectable display mode showing group/channel, frequency, or battery runtime Rugged metal construction RF Carrier Frequency Range G50: 470 to 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. Receiver 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 Varies by region Dimensions (L x Diam) 10.1 x 2.0" (256 x 51 mm) Weight 12.2 oz (347 g) Mic Capsule Type Beta 87A: Electret Condenser Frequency Response 20 Hz to 20 kHz Polar Pattern Super Cardioid