Issue 26
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The Quest For Power

New QX-300A & MX4C from Quest Engineering.


26 August 2022

In 2022 two exciting new products have emerged from Quest Engineering aimed at the commercial audio space. Among these new releases is the agile QX-300A commercial amplifier, and the MX4C high-fidelity ceiling monitor, both of which are available now for immediate shipping. 

Based around a custom diecast housing with integrated hybrid thermal dissipation technology, the new QX-300A series amplifier is a robust 2x 150W power amplifier. Featuring superior UMAC Class-D amplifier technology in an ultra-compact form factor, the QX-300A delivers unparalleled audiophile-grade specifications for its weight and size.

Perfectly suited to Pro Audio, AV, and Hi-Fi applications, the QX-300A features the highest dynamic range and lowest distortion performance of any comparable pro audio amplifier on the market. The QX-300A’s form factor makes it ideal for a range of rack-mount combination configurations, including up to 3 units in a 1RU configuration, or up to 10 units in a 3RU configuration as demonstrated below.

The MX4C is a compact and elegant ceiling speaker solution, featuring a high-fidelity 4-inch two-way system. The MX4C is comprised of a custom fabricated die cast aluminium woofer and uniquely designed titanium dome tweeter. The MX4C features 70/100V/16Ω operation along with HF attenuation, all conveniently accessible on the front baffle, beneath the included magnetic fast-fit grille.

Available as standard in white (RAL9003) and black (RAL9005), the MX4C’s housing is constructed of an ABS fire rated baffle and an aluminium back can, resulting in a highly efficient speaker system with excellent heat dissipation. With a sonic signature in line with the rest of the highly acclaimed MX series, the MX4C provides integrators with a clean, modern aesthetic, easy installation, and high-performance sound.

Quest Engineering:
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Issue 26