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Code: LDU518BPL
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The U500® Series vocal sets were developed in Germany to bring you affordable professional technology and sound quality. The radio systems for vocals and speech deliver impressive performance and high reliability, which will certainly exceed your expectations. We have designed the range specifically for professional users to ensure that your performance is an impressive and emotional experience.


Selectable transmit power up to 30 mW provides the U500® vocal sets with a free-field range of over 100 metres. They are available in three frequency bands: 584 - 608 MHz and 655 - 679 MHz, where 12 systems can be operated simultaneously, and 823 - 832 MHz + 863 - 865 MHz, where six systems can be operated at the same time. The True Diversity UHF wireless systems are equipped with an automatic scan facility to find the best free frequency, and convenient one-touch infrared synchronisation of transmitter and receiver to facilitate easy set up.


High-contrast OLED displays provide an excellent overview of functions, with indicators for group, channel, radio frequency, and signal strength and battery status. You can even enter individual usernames. In addition to the squelch function, the transmitter’s silent pilot tone ensures fail-safe operation. It protects against interference and mutes the receiver if signals without this tone are present. The U500®’s efficient technology and high-quality components provide clear, distortion-free transmission without latency or artefacts. Low power consumption means that the transmitter can run for up to 10 hours with 2 x AA batteries.


The U500® Series vocal sets are available with hand-held transmitters, headsets, lavalier microphones and single or double receivers. The hand-held transmitters feature interchangeable microphone capsules to suit singing or speaking.

Weight 2,46 kg

LDU518R - LD Systems U518 R Receiver

Product type Wireless Microphone System Accessories

Type Receivers

Modulation Type FM

Frequency response 30 - 16000 Hz

Transmission frequency range 1785 - 1800 MHz

Channels 96 (8 groups of 12 channels)

Groups 8

Antenna inputs 2

Antenna connector BNC

Signal-to-noise ratio > 100 dB

Noise reduction squelch

THD < 0.1 %

Controls volume

Audio output, balanced XLR

Audio output, unbalanced 6.3 mm jack

Operating voltage 12 - 18 V DC

Width 212 mm

Accessories (included) Power cord

Height 44 mm

Depth 159 mm

Max. output level +10 dBu

Weight 0,85 kg

Other features pilot tone

Indicators OLED Display

Operating voltage 12 V DC, 500 mA

LDU518BP - LD Systems U518 BP Bodypack transmitter

Type Belt Packs

Inputs Mini-XLR (3-pin)

Signal-to-noise ratio >90 dB

Rated HF output power Variable (2mW, 10mW, 30mW)

Controls select

Operating voltage 2 x AA battery

Operating time >10 h (with alkaline batteries)

Width 65 mm

Height 86 mm

Depth 23 mm

Weight 0,09 kg

Other features Wireless Microphone System Accessories

LDWS100ML - LD Systems WS 100 ML Lavaliere Microphone

Type Microphones

Frequency response 20 - 20.000 Hz

Directivity cardioid

Nominal impedance 680 Ohm(s)

Phantom power requierements 5 V

Microphone input mini-XLR (3-pin, female)

Accessories (included) Foam windscreen

Weight 0,04 kg

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