The Shure ULXS24/87 is a handheld wireless michrophone system that includes the ULX2/87 Handheld Transmitter with the SM87A Microphone, and a ULXS4 Diversity Receiver.

ULX2 Handheld Transmitter
The ULX2 Handheld Transmitter has a 3-segment battery fuel guage, Backlit LCD shows group and channel, Frequency and power settings, and Control lockout.

SM87A Vocal Microphone
The Shure SM87A microphone is a professional-quality, handheld condenser microphone for use in sound reinforcement, broadcasting, and studio recording installations. Its supercardioid polar pattern provides greater rejection of unwanted sound sources, making it ideal for miking individual instruments in a multi-microphone setting or for miking single sources in a reverberant or noisy environment. An integral three-stage wind and pop filter protects against wind and breath noise. Its built-in shock mount reduces stand and handling noise. ULXS4 Diversity Receiver
The Shure ULX Standard receiver offers an exceptional value in both performance and price, for both working musicians and sound installers. The feature set of the versatile ULXS4 receiver offers a direct path to full, clear audio signals, unencumbered and unattached.

Specifications:

• 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). Refer to the frequency supplement supplied with the system.
• 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, ± 2dB (NOTE: Overall system frequency response depends on the microphone element.)
  
  ULX2 Transmitter Input
• Input Configuration: Unbalanced, active
• Actual Impedance: 20 kohms
• Maximum Input Level: 10 Vp p (12 dBV) for 1% THD at minimum gain setting using 1 kHz signal.
  
  ULX2 Transmitter Output
• Actual Impedance: 50 Ohms
• Nominal Output Level: 20 mW
• Maximum Output Level: 30 mW
• Pin Assignments: Shell = Ground Center = Signal
  
  ULXS4 Receiver Input
• Connector: Antenna Power Input
• Connector Type: BNC IEC 320
• Actual Impedance: 50 Ohms
• Nominal Input Level: 95 to 30 dBm 15 Vdc
• Maximum Input Level: +6 dBm ( 20 dBm recommended) 18 Vdc
• Pin Assignments: Shell = Ground Center = Signal IEC Standard
• Voltage for Remote Power: 12 Vdc, 150 mA maximum
  
  ULXS4 Receiver Output
• Connector: High Z Audio; Low Z Audio
• Output Configuration: High Z Audio Unbalanced (1/4 in.); Low Z Audio Balanced (XLR)
• Actual Impedance: High Z Audio 3 k0hms; Low Z Audio 22
• Nominal Input Level: High Z Audio Pin Assignments: Tip = Hot Ring/ Sleeve = Gnd: Low Z Audio 1 = Ground 2 = Hot 3 = Cold
• Voltage/Current/Phantom: Power Protection?: High Z Audio; Yes Low Z Audio Yes
  
  Transmitter Audio Polarity: Positive pressure on microphone diaphragm (or positive voltage applied to tip of WA302 phone plug) produces positive
• voltage on pin 2 (with respect to pin 3 of low impedance output) and the tip of the high impedance 1/4-inch output
• Transmitter Gain Adjustment Range: ULX2: 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 inch connector (into 3000 ohm load): 2 dBV
• Impedance
• ULX1 (input): 1 Megohm ULXS4, ULXP4 (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: ULX2: 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: ULX2: 9V alkaline battery; 8.4 V Nicad optional; ULXS4: 14 - 18 Vdc (negative ground), 550 mA
• Battery Life: 8 to 9 hours (with 9V alkaline battery)
• Operating Temperature Range: - 20 degrees to 49 degrees C (- 4 degrees to 120 degrees F)
• NOTE: Battery characteristics may limit this range.
• Dimensions (Length x diameter): ULX2/SM87: 8.8 x 2 in. (223.5 x 51 mm);
• Dimensions (H x W x D): ULX4S: 1.72 in. x 8.56 in. x 6.52 in. (43 mm x 214 mm x 163 mm)
• ULX2/87: 9.1 oz. (258 g) without battery
• ULXS4: 2 lbs 5 oz. (1049 g)
  
  SM87A Vocal Microphone
• Type: Condenser (electret bias)
• Frequency Response: 50 to 20,000 Hz
• Polar Pattern: Supercardioid
• Output Impedance: Rated impedance is 150 ohms (100 ohms actual ± 20% ) Recommended minimum load impedance: 800 ohms
• Sensitivity (at 1,000 Hz)
• Open Circuit Voltage: -52.5 dBV/Pa (2.4 mV)
• (1 Pa = 94 dB SPL)
• Clipping Level (at 1,000 Hz): 1000 ohm Load: -6 dBV (0.5 V)
• Maximum SPL (at 1,000 Hz): 140.5 dB (0.25% THD, 1000 ohm load)
• Self-Noise (equivalent sound pressure level; measured with true rms voltmeter)
• 24 dB typical, A-weighted; 26 dB typical, weighted per DIN 45 405
• Dynamic Range: 116.5 dB (maximum SPL to A-weighted noise level)
• Signal-to-Noise Ratio (SPL A-weighted): 70 dB at 94 dB SPL (IEC 651)
• (S/N ratio is difference between 94 dB SPL and product's equivalent self noise)
• Polarity: Positive pressure on diaphragm produces positive voltage on pin 2 relative to pin 3
• Power: Phantom Supply Requirement: 11 to 52 Vdc, positive at both pins 2 and 3.; Current Drain: 1.0 to 1.2 mA
• Connector: Three-pin (XLR) professional audio

Features:

• ULX2 Handheld Transmitter
• 8-9 Hour Battery Life
• Power: On/Off Switch, Battery
• LED-Green When ON, Red When Battery Low
• Three-segment Battery Power Icon
• PEAK Icon-Appears When Audio Signal Overloads
• Group/Channel Displays
• SET Button for Saving Settings
• Adjustable Audio Gain Control
• Input Attenuation Switch-Select 0dB for Voice/Low Output; 20dB for High Output
• 4-pin Mini Connector
• Battery Cover Unscrews to Expose Battery and Gain Control
• 9V Battery Included
  
  SM87A Vocal Microphone
• 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
  
  ULXS4 Wireless Diversity Receiver
• Automatic Frequency Selection with group scan function
• Over 1400 selectable frequencies
• 5-segment transmitted audio signal strength meter
• RF indicator
• 3-segment transmitter battery fuel gauge
• Advanced multi-function LCD displays group and channel
• Mic/Line switch
• Remotable 1/2-wave antenna
• XLR and 1/4-inch output
• Rugged plastic chassis
• 1/2 rack design