Shure ULXP12485 Dual Mixed Wireless System with SM58 and WL185

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    Product Description

    The Shure ULXP12485 Dual Mixed Wireless System with SM58 and WL185 includes a ULXP4 Diversity Receiver, a ULX1 Bodypack Transmitter, ULX2 Handheld transmitter fitted with an SM58 microphone capsule, and WL185 Lavalier Microphone. 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 ULXP12485 Dual Mixed Wireless System with SM58 and WL185 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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