The Audio Choice by SoundTech QM4, a 100W 4-channel powered mixer, is a discontinued product with no official manual available. Key operational specifications include 100 Watts RMS at 4 ohms with4 XLR/1/4" input channels, individual channel controls, and a master 3-band EQ with effects loop. For general product details, view a listing on Reverb.
is often part of the "Q-Audio" range sold by AVSL. If this manual does not match your specific unit's layout, look for "AVSL QXPA" or "SoundTech Audio Choice" on the AVSL Support Site Audio Choice QM4 4 Channel Head and Speakers - eBay audio choice qm4 manual link
Given that Audio Choice is no longer an active brand, the original PDF may disappear from hosting sites. Here is your backup plan: The Audio Choice by SoundTech QM4, a 100W
This piece is designed to help a user navigate the manual for a QSC QM4 (QIO Series) audio interface, which is the most frequent context for this specific model name in professional audio. Inputs: The QM4 typically uses XLR connectors for
: Individual gain, 3-band EQ, and reverb controls for each channel. Master Section