Description

The Chord TU4 is a professional-grade quad UHF wireless system featuring four independent beltpack transmitters and a PLL tuneable receiver. Designed for live performance, stage production, conferences, worship venues, and broadcast use, the TU4 delivers reliable multi-channel wireless audio with exceptional clarity and minimal interference.

Operating in the 863–865MHz UHF licence-free band (Channel 70), the system allows for independent tuning of each channel, offering selectable frequencies to avoid interference and maximise flexibility. The receiver features four clear LCD screens showing frequency, RF/AF signal strength, and other operational parameters. Each beltpack transmitter is equipped with a 3.5mm screw-lock input and is supplied with both lavalier and headset microphones, making the system ideal for hands-free presentations, theatre, and multi-speaker events.

The TU4 also supports balanced XLR outputs per channel and a mixed 6.3mm jack output, offering versatile routing into PA systems, mixers, or recording setups. With auto-sync IR pairing, individual volume controls, and true diversity reception, the Chord TU4 ensures stable signal and high-quality performance in demanding live environments.

Features
Quad PLL tuneable UHF wireless microphone system
Four independent beltpack transmitters
Each beltpack includes lavalier and headset microphones
PLL (Phase-Locked Loop) synthesised tuning for frequency stability
Licence-free operation in 863–865MHz (Channel 70)
Auto-sync IR pairing for quick and accurate setup
Selectable frequencies to avoid signal interference
True diversity reception for stable and drop-out free transmission
Four LCD displays showing frequency, signal strength, and AF levels
Balanced XLR outputs for each channel + 1 mixed 6.3mm jack output
Individual volume controls per channel
Rack-mountable receiver (1U) with included rack ears
Ideal for multi-user vocal setups, presentations, and performance use

Specifications
Receiver
Frequency Range: 863–865MHz (UHF)
Channels: 4 (independently tuneable)
Display: LCD (4x)
Outputs: 4 x XLR (balanced), 1 x 6.3mm jack (mixed)
S/N Ratio: >105dB
THD: <0.5%
Power Supply: 12-18V DC, 1000mA (adaptor included)

Beltpack Transmitters
Microphone Input: 3.5mm screw-lock jack
Included Microphones: Lavalier and headset
Battery: 2 x AA (per beltpack)
Operating Time: Approx. 8–10 hours
Construction: Lightweight ABS housing
Controls: Power, mute, frequency select

General
Rackmount Size: 1U
Dimensions (Receiver): Approx. 482 x 44 x 200mm
Weight (System): Approx. 3.5kg
Colour: Black
Included Accessories: 4 x beltpacks, 4 x lavalier mics, 4 x headset mics, power adaptor, rack ears, user manual