| 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: | WH30TQG Headset Mic | | 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, ? 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: ?8 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 for 12 dB SINAD （typical） Image Rejection: 80 dB typical Spurious Rejection: 75 dB typical Ultimate Quieting （reference ?8 kHz deviation）: >105 dB, A-weighted System Distortion （reference ?8 kHz deviation, 1 kHz modulation）: 0.3% total harmonic distortion, typical Power Requirements ULX1: 9V alkaline battery （Duracell MN1604 recom-mended）; 8.4V Nicad optional ULXS4: 14 - 18 Vdc （negative ground）, 550 mA Battery Life: 8 to 9 hours （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.） | 
