Shure ULXS24/87 Handheld Wireless System Channel  

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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 Trans... Read More

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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.

Consumer Alert:

Most users do not need a license to operate this wireless microphone system. Nevertheless, operating this microphone system without a license is subject to certain restrictions: the system may not cause harmful interference; it must operate at a low power level (not in excess of 50 milliwatts); and it has no protection from interference received from any other device. Purchasers should also be aware that the FCC is currently evaluating use of wireless microphone systems, and these rules are subject to change. For more information, call the FCC at 1-888-CALL-FCC (TTY: 1-888-TELL-FCC) or visit the FCCs wireless microphone website at:

  • 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
  • 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
    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
One year warranty on wireless mics, mixers, and circuitry products.
2 year warranty on wired mics.
Warranty terms vary. Check with manufacturer for specific product warranty.

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