Audio Choice Qm4 Manual !!exclusive!! đ
Place the unit on a shelf or wall-mount it using the provided bracket. Note: Ensure at least
: Ensure you are using shielded cables for instruments and that the unit is plugged into a grounded power source.
Use the Line Out jack to send an unamplified, mixed audio signal to an external recording deck, a secondary monitoring system, or an active subwoofer unit. Maintenance & Troubleshooting
General instruction manuals for QM-series equipment, focusing on power and safety, are available through the TDK Product Center audio choice qm4 manual
The manual outlines several advanced features that casual users often overlook. Hereâs what the QM4 can really do.
operates as a self-contained public address (PA) head. It combines an analog preamplifier section, channel equalizers, a built-in spring reverb effect, and a 100-watt power amplifier into a single, cohesive unit. It is commonly bundled with two companion 2-way passive speakers, such as the SoundTech C100 enclosures . Key Technical Specifications 100 Watts RMS at 4 Ohms load impedance. Input Channels: 4 independent, modular mono channels.
3-band Master Equalizer (EQ), global Reverb level, and Master Volume control. Place the unit on a shelf or wall-mount
: Used for low-impedance microphones. Ensure these are connected before powering the unit on.
: Ensure the Master Level is up and the correct input is selected. Check that speaker cables are fully seated.
| Status | LED Behavior | |--------|---------------| | Charging | Red solid | | Fully charged | LED off / Blue solid (if on) | | Bluetooth pairing mode | Blue flashing quickly | | Bluetooth connected | Blue solid (or slow pulse) | | Low battery | Red flashing every few seconds | | AUX / microSD / USB mode | Blue solid or slow blink (varies) | | FM radio | Blue slow blink | : Includes a 3-band Master EQ
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.
: Includes a 3-band Master EQ, master reverb level, and master volume controls. Connectivity Options : For connecting external effects processors.
