QFX for more than thirty years has been a leading manufacturer of high performance Pro DJ Speaker Systems, Portable Speakers that are perfect for Tailgating, Special Events, Camping or the home enthusiast, Home Audio & Stereo Speaker Systems, Bluetooth Speakers, Home Theater Surround Sound Speaker Systems, Portable & Person Audio, Retro Electronics, and Audio/Video Accessories. All QFX are ergonomically designed to meet the quality & feature needs of all consumers.