Audio Choice Qm4 Manual -

Achieving ultra-crisp audio with extended bass response depends heavily on clean gain staging. Follow this tuning procedure to optimize your mix: Dialing in Clean Channels

Connect keyboards, acoustic guitars, or playback devices via TS cables.

: Adjusts the overall wetness of the reverb effect across the entire mix. audio choice qm4 manual

is a versatile, compact, 4-channel powered PA head designed for small-to-medium venues, karaoke, acoustic performances, and public speaking. Delivering 100 watts of power, it provides a straightforward, user-friendly interface that brings professional-level control to beginners and professionals alike.

Turn down the channel knob and raise the Main Level instead. Confirm that your speaker load matches the factory rating. Technical Specifications Summary Manufacturer : SoundTech / Audio Choice Model : QM4 Powered Mixer Power Output : 100 Watts RMS Channels : 4 Independent Mono Channels Inputs : 4 x XLR (Low-Z), 4 x 1/4-inch TS (High-Z) Master Tone Shaping : 3-Band Graphic/Rotary Equalizer Effects : Internal Spring Reverb (Footswitchable) is a versatile, compact, 4-channel powered PA head

) is a 4-channel powered PA mixer designed for portability and ease of use in small venues, practice spaces, and karaoke setups. While a dedicated digital "manual" is rare for this vintage unit, its functions follow standard analog mixer logic. Core Specifications & Features

Built-in global analog spring reverb with an external Effects Loop (Send/Return). Confirm that your speaker load matches the factory rating

Adjusts the input sensitivity of the channel.

Before searching third-party sites, follow these reliable methods to get the original manufacturer’s manual.

If you have cables plugged into the Send or Return jacks with no effects processor completing the loop, the internal signal chain breaks. Unplug everything from the FX loop to check if normal audio pathing returns.

: If the LED doesn't light up, ensure the power adapter is securely connected to both the wall and the receiver. PROFESSIONAL WIRELESS MICROPHONE SYSTEM MANUAL