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Wireless Microphones

A wireless microphone sends audio by radio, with a handheld or beltpack transmitter linked to a receiver wired into a mixer or amplifier, so a presenter, teacher or singer can move freely. The range includes QTX VHF and UHF systems, Chord UHF beltpack systems, the Citronic TU4 four-channel system, USB-powered receiver sets for small setups, the Citronic LM58 5.8GHz lavalier transmitter, and replacement transmitters matched to a system and frequency.

Choosing Wireless Microphones

Pick a wireless system by who will use it, how many microphones must work at once, and which system the receiver belongs to.

Handheld, beltpack or headset

A handheld suits a singer, or a presenter passing the mic around a room. A beltpack transmitter clips to the belt and feeds a lavalier or neckband microphone, so the wearer can teach, lead a fitness class or act with nothing in hand. The Chord 171.983UK beltpack system is supplied with a choice of neckband or lavalier microphone, and the QTX 171.819UK has 2 beltpack transmitters and 2 neckband headsets.

VHF or UHF

The QTX 171.816UK VHF system runs on 173.8MHz and 174.8MHz. UHF systems carry more channels: the Citronic TU4 171.043UK has four individually programmable channels, true diversity antennas and an auto frequency sweep.

How many microphones

A microphone needs its own receiver channel on its own frequency. Dual-channel receivers such as the QTX 171.817UK and 171.818UK take two transmitters, and the Citronic TU4 171.044UK has four channels with individual XLR outputs and a 7-band EQ per channel.

Replacement transmitters

A replacement must match the receiver's system and frequency. Chord NU4 transmitters are colour-coded by frequency, such as the yellow 171.954UK at 863.10MHz and the red 171.955UK at 864.80MHz, and Adastra 953.153UK handhelds suit SA-series wall amplifiers.

SystemExampleBandTransmitters
USB receiver setQTX 171.806UKUHF, 863.2MHz1 handheld
Dual handheldQTX 171.816UKVHF, 173.8 + 174.8MHz2 handheld
Beltpack systemChord 171.983UKUHF, 863.1MHz1 beltpack, lavalier or neckband
Quad systemCitronic TU4 171.043UKUHF, tunable4 handheld
Rechargeable plug-in receiverQTX 171.824UKUHF2 handheld
Lavalier transmitterCitronic LM58 171.859UK5.8GHzClip-on, rechargeable

Brands we stock in Wireless Microphones

Adastra, C-TEC, Chord, Citronic, Opus Technologies, QTX and TOA.

Most of these wireless microphones are made by Chord and QTX.

Related categories

Part of our microphones range; for cabled mics see wired microphones, and build a full system from the wider audio visual collection. Our Help & Support guides help with choosing frequencies.

Frequently asked questions

What is a UHF wireless microphone?

A UHF wireless microphone sends audio by radio in the ultra high frequency band, which usually gives more channels and better resistance to interference than VHF. That suits venues running several microphones together. In the UK, some UHF frequencies are licence-exempt while others need an Ofcom licence, so check the system's band. The range here includes UHF handheld and beltpack systems.

What is a wireless lavalier microphone?

A wireless lavalier microphone is a small clip-on mic worn on clothing, usually wired to a beltpack transmitter that sends the audio by radio to a receiver. The wearer has nothing to hold, so it suits presenters, teachers, fitness instructors and actors. Clip it to the chest a short way below the chin. The range here includes beltpack systems with a lavalier option.

How do you hook up a wireless microphone?

Connect the wireless receiver's output to a mixer, amplifier or powered speaker using its XLR or jack output, then power the receiver on. Switch on the transmitter, set it to the receiver's channel or frequency, and check the signal and battery indicators. Start with the volume low and raise it gradually while speaking to avoid feedback.

What is a wireless microphone?

A wireless microphone turns sound into a radio signal, which a matching receiver picks up and passes to a mixer, amplifier or speaker. It lets a presenter, teacher or performer move around with no cable to trip over. Running several at once means giving them separate frequencies. Common designs include handheld mics, clip-on lavaliers and headsets worn with a beltpack.

  • Established 1975
  • Birmingham trade counter
  • UK-only supply

Written by the West Midlands Electrics technical team

Updated

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