ULX Standard UHF systems represent a breakthrough in performance and price for both working musicians and professional sound installers. Multiple system configurations provide limitless options, each with a choice of legendary Shure microphone transmitters. Over 1400 selectable, pre-programmed frequencies are available, and Automatic Frequency Selection provides a straight shot to a clear channel.
Includes:
WL93 Lavalier Microphone
WL93 Microphones are economical omnidirectional, subminiature, lavalier,
condenser microphones designed for general speech applications where a
visually unobtrusive microphone is desirable. All WL93 models are supplied
with a mounting block with attached tie bar, a sew-on mounting bracket,
and an acoustic windscreen to minimize wind noise in outdoor
applications.
ULXS4 Diversity Receiver
Automatic Frequency Selection
Over 1400 selectable frequencies
Predictive Diversity
RF presence LED
5'segment audio meter
3'segment transmitter battery fuel gauge
Multi-function LCD
1/2 rack design
Detachable 1/4 wave antennas
Durable plastic chassis
Locking DC connector
XLR and 1/4 in. outputs
Mic/line switchable
ULX1 Transmitter
3-segment battery fuel gauge
Backlit LCD shows group and channel
Frequency and power settings
Control lockout
8-hour battery life
300 ft (92m) operating range
20dB pad switch on ULX1
About ULX Series
Shure's ULX Series is wireless the way it should be - simple, agile, and bulletproof solutions that are affordable for working musicians and professional sound installers. Wireless traffic jamming your transmissions? The frequency agile ULX features Automatic Frequency Selection finds open frequencies for you. Whether ULX Standard or Professional Series Systems, the clear channels and strong transmission free you to concentrate on what matters most - your sound.
Technical Info
Channel Frequencies
Channel J1: 554 to 590 MHz
Channel M1: 662 to 698 MHz
RF Carrier Frequency Range: 554.000 to 865.000 MHz (Available frequencies depend on the applicable regulations in the country where the system is used).
Effective Range: 100 m (300 ft.) under optimal conditions
Note: Actual working range depends on RF signal absorption, reflection, and interference.
Audio Frequency Response: 25 to 15,000 Hz, +/-2 dB
Note: Overall system frequency response depends on the micro-phone element. *Output Level: Microphone Level = Line Level - 20 dB
Transmitter Audio Polarity: Positive pressure on microphone diaphragm (or positive volt-age applied to tip of WA302 phone plug) produces positive volt-age on pin 2 (with respect to pin 3 of low impedance output) and the tip of the high impedance 1/4 in. output
Transmitter Gain Adjustment Range: 25 dB
Receiver Audio Output Level (+/-38 kHz deviation, 1 kHz tone):
XLR connector (into 600 ohm load): +3.9 dBV (line), 17 dBV (mic)
1/4 in.connector (into 3000 ohm load) : 2 dBV
Impedance
ULX1 (input): 1 Megohm
ULXS4 (output): 50 ohms at line level; 2000 ohms at mic level
Modulation: +/-38 kHz deviation compressor-expander system with pre- and de-emphasis.
RF Power Output: 30 mW maximum
Dynamic Range: >100 dB, A-weighted
RF Sensitivity: 1.26 uV for 12 dB SINAD (typical)
Image Rejection: 80 dB typical
Spurious Rejection: 75 dB typical
Ultimate Quieting (reference +/-38 kHz deviation): >105 dB, A-weighted
System Distortion (reference +/-38 kHz deviation, 1 kHz modulation): 0.3% total harmonic distortion, typical
Power Requirements
ULX1: 9V alkaline battery (Duracell MN1604 recommended); 8.4V Nicad optional
ULXS4: 14 - 18 Vdc (negative ground), 550 mA
Battery Life: 8 to 9 hrs (with 9V Duracell MN1604 alkaline battery)
Operating Temperature Range: -20 to 49 C (?4 to 120 F)
Note: Battery characteristics may limit this range.
Overall Dimensions
ULX1 (H x W x D): 96.5 x 67 x 26.7 mm (3.86 x 2.68 x 1.10 in.)
ULX4S (H x W x D): 43 x 214 x 163 mm (1.72 x 8.56 x 6.52 in.)
Net Weight
ULX1: 79 g (2.8 oz.), without battery
ULXS4: 1049 g (2 lbs., 5 oz.)
4 payments of 
Because this item is used at your mouth or ear, it cannot be returned once opened due to health reasons. 
