Audio Choice Qm4 Manual Jun 2026

If you hear high-pitched squealing (feedback), reduce the Master Treble control or move the microphones behind the speakers.

The manual outlines several advanced features that casual users often overlook. Here’s what the QM4 can really do. audio choice qm4 manual

| Parameter | Value | |-----------|-------| | Output power | 5W – 10W (depending on version) | | Frequency response | 80Hz – 18kHz | | Battery capacity | 1200mAh – 2000mAh Li-ion | | Playtime (mid volume) | 4 – 8 hours | | Charging time | 2 – 3 hours | | Bluetooth version | 5.0 (or 4.2) | | Supported formats | MP3, WAV, WMA | | Dimensions | Approx. 180 x 70 x 70 mm | | Weight | Approx. 350g | If you hear high-pitched squealing (feedback), reduce the

The Audio Choice QM4 is a four-channel amplifier designed to deliver high-quality audio performance with a range of features that make it suitable for various applications. With its sleek design and compact size, the QM4 is an excellent choice for home theaters, music rooms, or even professional audio installations. | Parameter | Value | |-----------|-------| | Output

: Slowly increase the individual channel volume until the audio reaches the desired volume in the room. If the Master LED array flashes red consistently, lower the channel levels to avoid clipping the 100W power amplifier.