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Review Summary
G50: 470-534MHz
H50: 534-598MHz
J50A: 572-616MHz
V50: 174-216MHz
X52: 902-928MHz
0 to 21 dB (in 3 dB steps)
Unbalanced
145 dB SPL (SM58), typical (1 kHz at 1% THD)
Integrated Single Band Helical
< 200 kHz
Shure proprietary digital
1 mW or 10 mW
Shure SB900A Rechargeable Li-Ion or AA batteries 1.5 V
Shure SB900A: Up to 10 hours
Alkaline: Up to 9 hours
Required, Not Included
Alkaline
AA
2
Machined Aluminum
10.1 x 2" (256 x 51mm)
Without Batteries: 12.2 oz (347g)
Aluminum construction with steel grille and satin black finish
Condenser
50 to 20,000 Hz
Supercardioid
Open circuit voltage: -52.5 dBV/Pa (2.4 mV) (1 Pa = 94 dB SPL)
Rated at 150 Ohm (100 Ohm actual +/-20%)
Recommended minimum load impedance: 800 Ohm
1000 Ohm Load at 1,000 Hz: -6 dBV (0.5 V)
140.5 dB (0.25% THD, 1000 Ohm load)
24 dB typical, A-weighted
26 dB typical, weighted per DIN 45 405
116.5 dB (maximum SPL to A-weighted noise level)
70 dB at 94 dB SPL (IEC 651)
S/N ratio is difference between 94 dB SPL and equivalent SPL of self- noise A-weighted
Positive pressure on diaphragm produces positive voltage on pin 2 relative to pin 3
11 to 52 vdc, 1.2 mA
Three-pin professional audio connector (male XLR type)
7.55 x 1.96" (192 x 50mm)
7.05 oz (200g)
042406344272
Featuring transparent 24-bit digital audio quality and incredibly efficient RF spectrum usage, the QLXD2 handheld transmitter is ideal for wireless vocals in presentation spaces, music venues, and houses of worship. Easy to use, 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 (330 ft.) range. All metal construction ensures durability, and a wide selection of compatible microphone choices offer legendary Shure sound signatures.
SM87A Vocal Microphone
The SM87A is a rugged, lightweight supercardioid condenser microphone with superior rejection for clear reproduction of warm and accurate lead vocals. Designed with a three-stage shock mount for low self-noise, and a tight polar pattern that excludes unwanted sound sources, the SM87A is an excellent choice for sound reinforcement in noisy or reverberant environments.
Features
Highly directional supercardioid pickup pattern
Controlled low-frequency roll-off
Very low RF and magnetic hum susceptibility
Minimally affected by varying load impedance
Built-in wind and pop filter
Transducer element shock mounted
Rugged construction for outstanding reliability
Field-usable over a wide range of temperature and humidity conditions
Accepts a wide variety of phantom power sources, including DIN 45 596 voltages of 11 and 52 Vdc