Audio Choice Qm4 Manual <Reliable>

The Audio Choice QM4 is a professional 4-channel passive microphone mixer designed to combine up to four microphone signals into a single output. It is a utility tool commonly used in simple PA setups, small recording projects, or situations where a powered mixer is unavailable. Device Overview

10. Troubleshooting

| Problem | Possible solution | |---------|------------------| | Cannot power on | Charge battery for at least 30 minutes; try a different USB cable. | | No sound / distorted audio | Check volume level; ensure Bluetooth device is not muted; move device closer. | | Bluetooth not pairing | Turn QM4 off/on; delete old “QM4” from phone’s Bluetooth list; re-pair. | | microSD/USB not recognized | Format card as FAT32; limit file depth (no subfolders over 2 levels). | | FM radio poor reception | Extend any attached USB/AUX cable as an antenna; move near a window. | audio choice qm4 manual

Setup: Use standard speaker cables to connect the outputs on the rear of the QM4 head to the inputs on the C100 speakers. The Audio Choice QM4 is a professional 4-channel

If you cannot locate your physical copy, download the official PDF from the manufacturer’s website today. Bookmark this guide for quick troubleshooting, and always keep a digital copy on your smartphone for easy access. | | microSD/USB not recognized | Format card

The system uses UHF frequencies (typically 902-928MHz depending on your specific region) to provide digital audio transmission.

1. Introduction

Thank you for purchasing the Audio Choice QM4. This manual provides instructions for safe operation, setup, and maintenance of your device. Please read it carefully before use and keep it for future reference.

Setup and Installation Procedures