Q10BX-N is a self-powered full-size quad 10” coaxial musical instrument speaker well matched to electric bass and acoustic instruments of all types. The red dust cap indicates a coaxial driver that includes a 10” cone for lows and mids, a crossover network, and a 1” titanium diaphragm compression driver for extending the high frequency response. It has damped spring loaded handles, sturdy rubber feet, and a 15 mm thick birch plywood cabinet covered in our unique Nebula finish making it a portable, and extremely durable speaker enclosure. Four rear vented 10” woofers deliver a powerful punch evenly dispersed.