Audio Choice Qm4 Manual Work
: The Send jack routes the pre-amplified signal out to an external effects processor (like a digital delay or chorus pedal). The Return jack brings the processed signal back into the master stage.
The handheld microphones use a simple interface to manage power, volume, and channel selection. : Press and hold the Power Button .
The manual is essential for:
: Use the 1/4" jacks for guitars, keyboards, or media players. audio choice qm4 manual
Understanding your hardware limits ensures you get ultra-crisp audio with an extended bass response without risking internal component failure. Specification 100 Watts RMS @ 4 Ohms Supports two 8-ohm speakers in parallel Channels 4 Monophonic Channels Individual EQ, gain, and effects routing Inputs per Channel 1 x XLR (Balanced), 1 x 1/4" TS Jack (Unbalanced) Dual-architecture input preamp stage Master EQ Section 3-Band Graphic/Rotary Equalizer Global Low, Mid, and High tone contours Integrated Effects Analogue Spring Reverb Individual channel sends + master return control Expansion Patchbay EFX Loop (Send/Return), Line Out, Footswitch Rear/Front master interface routing options Weight & Build 20.5 lbs (Head Only) Heavy-duty protective corners with carry handle 🎛️ Channel Control & Interface Breakdown Each of the four channels on the Audio Choice QM4
First setup — get it playing fast
⚠️ Warning: Never connect two 4-ohm speakers simultaneously. This creates a combined 2-ohm load, causing the amplifier to overheat, trip its thermal protection, or permanently blow the internal fuse. 🛑 Troubleshooting & Maintenance Audio Choice QM4 : The Send jack routes the pre-amplified signal
: Unscrew the microphone base to reveal the compartment. Insert 2 x 1.5V AA batteries .
Provides dedicated 1/4-inch send and return jacks to loop in outboard outboard gear or processing equipment like a dbx DriveRack system .
featuring performance-rated horn tweeters for extended high-end clarity. Operating Your QM4: Basic Instructions : Press and hold the Power Button
If you want, I can:
The dedicates several pages to error resolution. Below are the most common problems and their official fixes.
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General instruction manuals for QM-series equipment, focusing on power and safety, are available through the TDK Product Center
Concise feature notes