MX4C High-Fidelity Ceiling Monitors

MX4CW / MX4CB [4" x 1"- 80W]

The Quest Engineering MX4C is an extremely versatile, 4" two-way ceiling speaker designed for any sound reinforcement application requiring a high-fidelity compact loudspeaker. The MX4C is comprised of a custom fabricated die cast aluminium woofer and uniquely designed titanium dome tweeter. The housing is constructed of an ABS fire rated baffle and an aluminium back can. The result is a highly efficient speaker with excellent heat dissipation and a sonic signature in line with the rest of the highly acclaimed MX series.

The MX4C also features 70/100V/16Ω operation along with HF attenuation, all conveniently located on the front baffle, hidden by the fast-fit magnetic grille.

Available as standard in white (RAL9003) and black (RAL9005), the MX4C offers integrators an easy to install speaker delivering high-performance and a clean, modern aesthetic.

Quest MX4C Ceiling Speaker

Power Me Up

Quest offer the QX Series or QX-300 Series amplifiers as perfectly matched power supply partners for MX4C.

QX-41500 AmplifierTop


Model: MX4CW (White grill)
MX4CB (Black grill)
Max SPL *calculated 104dBSPL
Max power handling (IEEE219) 50W
Sensitivity 86dB 1W @ 1m
Frequency response -10dB: 58Hz - 30kHz, +/-2dB 100Hz - 20kHz
Impedance 16 Ω (nom)
Transformer taping 100V Bypass, 4W, 8W, 15W, 30W
70V Bypass, 2W, 4W, 8W, 15W
Transducers RMS 75W Peak 100W
HF 25mm Titanium Dome Tweeter,
NeoDymium Magnet
LF 4" High Performance Polypropylene Woofer NeoDymium + Ceramic magnet- Diecast frame
HF adjustment +/- 2dB
Directivity *H x V 160° x 130° -10db
Connections 4-pin Euroblock (I/P & Pass through)  
Cutout Size 170mm Diameter
Enclosure construction Aluminium back shell embeded into plastic baffle
Grille colour RAL9003 (white grille), RAL9005 (Black grille)
Grille material Plastic rim with powdercoated steel grille
Dimensions* W x D 197mm diameter X 155mm deep
Net weight 2.0kg
Shipping weight 2.7kg
Shipping dimensions 270mm x 270mm x 190mm
* Quest Engineering reserves the right to make changes in specifications, or products without prior notice.
** The figures shown above are ‘real world’, usable specifications and are conservative as a result. Quest Engineering does not believe in portraying misleading or exaggerated specifications.

Contact Quest

Phone: +61 (0) 3 8373 6868

Address: 86 Derby Street, Pascoe Vale VIC 3044 Australia

Find Your Local Distributor

Feel free to get in touch with your nearest distributor. We’re always happy to hear from people interested in our products and we’re always ready to help you with your next project. You can find your nearest Quest distributor on the map below.

Contact Form

For general enquiries email Quest Directly using the enquiry form below.