W-1KU – Single Professional Multi-frequency UHF Wireless
1000 user-selectable UHF frequencies, a 120dB dynamic range, and 500' of line-of-sight operation.


  • Unsurpassed state-of-the-art PLL UHF performance with proprietary companding and low-noise circuitry for an amazing 120dB dynamic range. True Diversity circuitry for worry-free operation and dropout protection. Up to 500 feet transmission range.
  • 1000 selectable UHF channels for interference-free reception with AUTO-SCAN feature for easy location of clear channels and ASC™ (Auto-Sync Channel) infrared download for easy frequency synchronization.
  • Scratch resistant receiver with 5 segment LED bar graph AF meter, balanced XLR microphone level and unbalanced ¼” line level audio outputs. Backlit LCD with user-friendly configuration menus indicating channel, channel group, volume, and RF signal strength.
  • All-metal body wireless transmitter. LCD display indicates group, channel, audio level, and battery level status. Operation with two AA batteries.


The W-1KU Wireless System is a professional UHF wireless, offering clear-channel, frequency-agile operation on the UHF band for interference-free performance in any application or locale, and provides you great performance at a exceptional price point. The W-1KU wireless system offers 1000 user-selectable channels, frequency synthesized into 10 groups of 100 channels in the US frequency band 520.0MHz-544.99MHz. It features proprietary companding and low-noise circuitry for an amazing 120dB dynamic range. The True Diversity circuitry has two complete front ends for maximum range and dropout protection.

W-1KU Wireless System

  • State-of-the-art PLL UHF performance with 120dB dynamic range and operation up to 500 ft. line-of-sight
  • 1000 user-selectable UHF frequencies per band
  • True Diversity circuitry with two complete front ends for maximum range and dropout protection
  • ASC (Auto-Sync Channels) IR download feature sends selected Group/Channel information to transmitters via IR senders on receivers for easy frequency synchronization
  • Front-panel touch control buttons and user-friendly LCD configuration menus
  • Sophisticated IF filtering for simultaneous operation of multiple W-1KU systems in the same location
  • Mute control (RF squelch)

W-1KU Wireless Receiver:

  • Front panel backlit LCD display indicates selected audio output volume level, Group/Channel, RF signal strength meter, A/B diversity status;
  • Separate audio LED bar graph display provides instantaneous audio level status from a distance
  • Back-panel balanced XLR Mic Level and unbalanced 1/4″ line level audio output jacks
  • RF BNC connectors for dual removable 1/2 wave antennas
  • DC power input jack
  • Externally powered (adapter included)


  • Sleek, durable, all-metal housing
  • LCD display indicating selected Group, Channel, Audio Input Levels, and Battery level status
  • Transmitting High/Low RF power switch for optimizing distance operation depending on application;
  • Operation with two AA batteries (alkaline or rechargeable NiMH) for longest reliable, economical battery life.

HT-1KU Handheld Microphone Transmitter

  • Internal antenna system
  • Superior Nady DM-10D neodymium cartridge for clear, powerful audio, maximum feedback rejection, and minimal handling noise
  • Power switch

BT-1KU Bodypack Transmitter

Your choice of two versions: LT or GT features road worthy all-metal case; power Off/Mute/On switch; flexible external antenna rod; and mini locking connector.

  • (LT) Lapel microphone / Headmic™ microphone
  • (GT) Guitar/Bass

Additional information

Weight N/A
Dimensions N/A
Type of Transmitters

Handheld Microphone, Bodypack & Lapel Microphone, Guitar/Instrument



Operating Frequency Range: Band 3 (U.S.): 520.000 – 544.975MHz

Freq. Synthesized: (1000 channels switchable) 25kHz/step

PLL system frequency stability: <0.005%

Frequency Response: 30Hz-18kHz ±3dB

Dynamic Range: 120dB

Harmonic Distortion: <0.5%

Modulation: FM (F3E) ±25kHz normal, ±75kHz max

Operating Range: 150-250 feet typical, 500+feet max line-of-sight


Receiver System: Dual conversion Super Heterodyne with True Diversity (two complete Receiver sections with optimum audio selected)

Selectivity: 60dB normal ±75kHz offset

Image Rejection: -70dB, minimum

Sensitivity: -107dBm, normal

Spurious Rejection: 65dB, normal

Mute Threshold: -65dBm to -95dBm (adjustable)

Controls: UP/DOWN selects, SET, IR Sync, Power buttons, MUTE level

LCD Display: Single backlight LCD panel indicating selected Group/Channel, received RF levels, A/B diversity, and unbalanced receiver out volume levels

LED Display: 5-segment LED tree indicating received audio levels from transmitter (single version only)

Audio Output Level: Unbalanced output: 360mV adjustable audio output @ ±25kHz deviation Balanced output: 24mV fixed level audio output @ ±25kHz deviation

Output Impedance: Balanced and unbalanced: 600Ω

Power Requirement: 15VDC/0.4A

Antennas: Dual BNC right angle

Housing Construction: Metal

Dimensions: 8.25”W x 6.25”D x 1.75”H (21.6cm x 15.9cm x 4.5cm

Weight: 2lbs (0.907kg)


RF Output Power: HI/LOW selectable HI: +14dBm (25mW typical), LOW: +4dBm (2.5mW typical)

Harmonic and Spurious Emission: -50dBc normal

Audio Input Levels:75mV (Lapel) / 310mV (Headmic™) / 225mV (Instrument) ±25kHz deviation

Input Impedance: 500 kΩ (Instr.)

Controls: Power OFF/MUTE/ON, RF Power HI/LOW switches, Set/Up/Down buttons

Input Connector: Mini 3.5mm with locking nut

LCD Display: Group/Channels/Volume/Battery Levels

Antenna Type: External fixed

Battery Type: 2 x AA alkaline

Battery Life: 8-10 Hours typical

Dimensions:  2.5”W x 3.25”H x 1-13/16”D (6.35cm x 8.3cm x 1.82cm)

Weight: 3.8 oz (0.108 kg) w/o batteries

Housing Construction: Metal


RF Output Power: HI/LOW selectable HI: +14dBm (25mW typical), LOW: +4dBm (2.5mW typical)

Harmonic and Spurious Emission: -50dBc normal

Audio Input Level: 24mV for ±25kHz deviation

Impedance: 6kΩ

Controls: Power ON/OFF, RF Power HI/LOW switches, Set/Up/Down buttons

LCD Display: Group/Channels/Volume/Battery Levels

Antenna Type: Integral

Battery Type: 2 x AA alkaline

Battery Life: 8-10 Hours typical

Dimensions: 10”L x 2”D (25.4 cm x 5.1 cm)

Weight: 11 oz (0.312 kg) w/o batteries

Housing Construction: Metal

Box Contents

W-1KU receiver

Wireless transmitter

Rugged foam padded carrying case

AC adaptor

Two removable BNC antennas

User guide

Frequency chart