Used Shure ULXD24D/SM58 Dual Channel Handheld Digital Wireless Microphone System G50 Band

G50 Band 470-534 MHz

100 m (330 ft)

25 kHz

>70 dB, typical

-98 dBm at 10-5 BER

<2.9 ms

ULXD1: 20 - 20 kHz (+/-1 dB)

>120 dB, A-weighted, typical

<0.1%

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

Steel

15 V DC at 0.6 A, supplied by external power supply (tip positive)

>80 dB, typical

BNC

50 Ohms

12 - 13 V DC, 170 mA maximum, per antenna

-18 to +42 dB in 1 dB steps (plus Mute setting)

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)
XLR: 100 Ohms

1/4" (6.35 mm): +12 dBV
XLR: LINE setting= +18 dBV, MIC setting= -12 dBV

30 dB pad

1/4" (6.35 mm): Yes
XLR: Yes

No, protected

Single Port Ethernet 10/100 Mbps

DHCP or Manual IP address

100 m (328 ft)

0 to 21 dB (in 3 dB steps)

Shure SB900 Rechargeable Li-Ion or LR6 AA batteries 1.5 V

Shure SB900: >12 hours
alkaline: 11 hours

Machined aluminum

Unbalanced

145 dB SPL (SM58), typical

Integrated Single Band Helical

<200 kHz

Shure proprietary digital

1 mW, 10 mW, 20 mW

-18deg.C (0deg.F) to 50deg.C (122deg.F)

-29deg.C (-20deg.F) to 74deg.C (165deg.F)

ULXD2: 256x51mm (10.1x2")
ULXD1: 86x66x23mm /3.38x2.59x0.90"
ULXD4: 197x171x42mm / 7.8x6.7x1.65"

Without batteries:
ULXD2: 340 g (12 oz.)
ULXD1: 142 g (5.0 oz.)
ULXD4: 913 g / 32.20 lbs without antennas