Manual Better | Audio Choice Qm4
High-impedance port configured for acoustic-electric guitars, keyboards, bass preamps, or line-level playback gear (such as laptops or phones using an adapter).
The Audio Choice QM4 is a versatile and high-performance audio amplifier. By following this guide, you'll be able to understand its features and operations, ensuring a great listening experience.
Turn off the QM4 main power switch located on the rear or side panel.
is a rugged, 4-channel powered PA mixer head engineered by SoundTech to deliver reliable and portable reinforcement for live audio applications. Designed for gigging musicians, mobile DJs, karaoke setups, houses of worship, and small event venues, this 100-watt analog mixer is optimized for quick deployment and intuitive control. audio choice qm4 manual
Plug in microphones or instruments to the channel inputs (1-4).
Governs the overall wetness and return level of the internal reverb tail.
If your physical QM4 has different buttons, display, or features (e.g., no FM, no TWS), please modify the sections above accordingly. For a specific brand’s exact manual, look for a QR code on the product box or search “Audio Choice QM4 official manual PDF.” Turn off the QM4 main power switch located
The Audio Choice QM4 is a high-quality audio amplifier designed for home and professional use. This guide will walk you through the manual to help you get started with your QM4.
: Start with the Master volume at 12 o'clock, then slowly increase the channel Gain until the audio reaches the desired presence without distorting. 3. Tone Control
Ensure the QM4 head is plugged into the same electrical circuit breaker or power strip as your external gear (laptops, pedalboards). This prevents competing ground paths. Plug in microphones or instruments to the channel
: For broad adjustments across Low, Mid, and High frequencies. Master Level : To control the final output volume sent to the speakers.
| | Specification / Detail | | :--- | :--- | | Product Type | 4-Channel Powered Mixer Amplifier | | Manufacturer | SoundTech (under the 'AudioChoice' brand) | | Total Power Output | 100 Watts RMS @ 4 Ohms | | Frequency Response | 20 - 20,000 Hz (typical) | | Signal-to-Noise Ratio | >100dB (typical) | | Total Harmonic Distortion (THD) | <0.1% (typical) | | Channels | 4 | | Inputs | XLR & 1/4" per channel, plus Send/Return effects loop | | Master Section | 3-band graphic EQ (Low, Mid, High), Reverb & Level controls |
: Connect your microphones to the XLR ports or instruments (like keyboards or acoustic-electric guitars) to the 1/4" jacks. Channel Controls : Each channel features independent knobs for: : To set the initial input sensitivity. : A simple EQ adjustment to brighten or darken the sound.
Controls the absolute depth and presence of the wet reverb effect across the entire mix.
