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Tecson Hotec H-U25 - User Manual

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Hotec UHF Wireless Headset/Lavalier Microphone System
USER MANUAL
Model: H-U05/H-U25
Thanks for purchasing Hotec Wireless Headset/Lavalier Microphone System, please read the
following instructions carefully before use.
Email: support@sz-tecson.com
Website: www.sz-tecson.com
Facebook page: https://www.facebook.com/Hotechome/
Or scan the QR code
Hotec
®
is the registered trademark of Shenzhen Tecson Trade and Technology Co., Ltd.
H-U25 H-U05

Questions and Answers

  • S
    Samuel Vargas MDAug 9, 2025
    Can I use two Tecson Microphone systems together without interference?
    • R
      rluceroAug 10, 2025
      To use two Tecson Microphone systems together without interference, ensure each microphone operates on a different frequency.
  • P
    Paula HamiltonAug 17, 2025
    Why is there always harsh sound or loopback with Tecson Microphone system?
    • K
      khornAug 17, 2025
      To resolve harsh sounds or loopback with your Tecson Microphone system, minimize the microphone volume before plugging in the receiver, and then gradually increase the volume.
  • A
    Adam CarrAug 26, 2025
    What to do if I cannot hear my voice when I am doing recording with Tecson Hotec H-U25 Microphone system?
    • D
      Daniel TranAug 26, 2025
      If you cannot hear your voice when recording with the Tecson Microphone system, plug the TS to TRS adapter into the mic jack of the headphone splitter and the headset into the headphone jack of the headphone splitter.
  • R
    Richard DeleonSep 1, 2025
    How to pair Tecson Microphone system receiver and transmitter?
    • M
      Marissa SalazarSep 1, 2025
      To pair the Tecson Microphone system receiver and transmitter, if they are not syncing: * Power off the receiver and power on the transmitter. * Hold and press the power button, volume up, and volume down buttons simultaneously until the LCD screen flashes. If the receiver and transmitter lost pairing because the receiver has not been in use for some time, turn off the transmitter and then turn it back on. You can also press both volume up and volume down buttons to change the frequency.

Summary

Product Overview

Mini Receiver Controls

Details on battery indicator, power button, USB port, AF/RF, and charging status indicators.

Bodypack Transmitter Functions

Covers power button, mic input, volume/frequency controls, and charging indicators.

Preparation Before Use

Initial Setup Steps

Includes charging devices, attaching microphones, and verifying connections.

Connection Verification

Ensure proper pairing via AF/RF indicator colors for H-U05 and H-U25.

Connection Diagrams

Connecting to Audio Devices

Steps for connecting to devices with a 1/4" mic jack like speakers or mixers.

Connecting to Smartphones

Instructions for connecting to iOS/Android phones using the TS to TRRS cable.

Connecting to Cameras

Guides connection to cameras/camcorders with a mic input using TS to TRS adapter.

Connecting to Computers

Steps for connecting to computers with separate or combo mic/headphone jacks.

Product Specifications

System Specifications

Details modulation mode, frequency range, response, S/N, and working range.

Device Specifications

Provides dimensions, power, consumption, and working hours for receiver and transmitter.

Troubleshooting

Common Issues and Solutions

Addresses pairing problems, signal cuts, mic sensitivity, and harsh sound.

iPhone and Recording Issues

Solutions for products not working with iPhone or hearing voice during recording/karaoke.

Important Notes

Interference and Antenna

Advice on finding clean frequencies and not bending the antenna for stability.

Product Handling

Warning against product disassembly and recommendation against use with Bluetooth speakers.

Tecson Hotec H-U25 Specifications

General IconGeneral
BrandTecson
ModelHotec H-U25
CategoryMicrophone system
LanguageEnglish

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