Shure ULXP12458 Dual Channel Mixed Wireless System with SM58

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    Product Description

    The Shure ULXP12458 Dual Channel Mixed Wireless System with SM58 includes two ULXP4 Diversity Receivers, a ULX1 Bodypack Transmitter, and a ULX2 Handheld transmitter fitted with an SM58 microphone capsule. The ULX Professional systems offer more advanced features and controls, including lockable settings and group scan function. Over 1400 selectable, pre-programmed frequencies are available, and Automatic Frequency Selection provides a straight shot to a clear channel.

    ULXP4 Wireless Diversity Receiver Features

    • Automatic Frequency Selection with group scan function
    • Over 1400 selectable frequencies
    • Predictive Diversity
    • 5-segment transmitted audio signal strength meter
    • 5-segment RF meter
    • 3-segment transmitter battery fuel gauge
    • Advanced multi-function LCD displays group and channel
    • Mic/Line switch
    • Remotable 1/2-wave antenna
    • Frequency and volume lockout
    • XLR and 1/4-inch output
    • Rugged metal chassis
    • 1/2 rack design
    ULX1 Wireless Bodypack Transmitter Features
    • Three-segment battery fuel gauge
    • Frequency and power lockout
    • Flexible 1/4 wave antenna
    • TA4F mini four-pin input connector
    • Backlit LCD display shows group and channel setting
    • Adustable audio gain control
    • Input attenuation switch (selects 0 dB or -20 dB attenuation)
    • PEAK icon appears when audio input overloads the transmitter
    • Power on/off switch
    • 8 hour battery life (9V battery)
    • 300 foot (100m) operating range
    ULX2 Handheld Transmitter Features
    • 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

    Product Specifications
    Shure ULXP12458 Dual Channel Mixed Wireless System with SM58 Specifications

  • RF Carrier Frequency Range: 470.000 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. Actual working range depends on RF signal absorption, reflection, and interference
  • Audio Frequency Response: 25 to 15,000 Hz, +/- 2 dB. Overall system frequency response depends on the microphone element
  • 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:
    • ULX1: 25 dB
    • 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: 30 mW maximum
  • Dynamic Range: >100 dB, A-weighted
  • RF Sensitivity: .26 microVolt 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, ULX2: 9V alkaline battery; 8.4 V Nicad optional
    • ULXP4: 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)Battery characteristics may limit this range
  • ULXP4, ULXS4 Receiver Audio Output:
    • Connecter:
      • Unbalanced (1/4 in.)
      • Balanced (XLR)
    • Impedance:
      • Unbalanced:3 kilohm
    • Balanced
      • Mic. Level: 1848 Ohms
      • Line Level: 75 Ohms
  • Pin Assignments:
    • Unbalanced:
      • Tip = Hot
      • Ring/Sleeve = Ground
    • Balanced:
      • 1 = Ground
      • 2 = Hot
      • 3 = Cold
    • Phantom Power Protection: Yes
    • ULXP4, ULXS4 Receiver Antenna Input:
    • Connector Type: BNC
    • Actual Impedance: 50 ohms
    • Nominal Input Level: -95 to -30 dBm
    • Maximum Input Level: +6 dBm (-20 dBm recommended)
    • Pin Assignments: Shell = Ground, Center = Signal
    • Voltage for Remote Power: 12 Vdc, 150 mA maximum
    Buy with Confidence
    All wireless microphone systems available through AMS are compliant with current FCC rules for safe operation without a license when they leave our warehouse. If you choose to modify a system after purchase, it may no longer be in compliance and may therefore require a license to operate. To learn more about the FCC’s rules regarding wireless microphones (which are subject to change), please call the FCC at 888-CALL-FCC (TTY: 888-TELL-FCC) or visit
  • Helpful Info about the Manufacturer
    Phone:  800-257-4873 Warranty:  2 Years
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