Rockville APM6B 6.5" 2-Way 350W Powered Studio Monitors + Interface + Headphones Rockville APM6B 6.5" 2-Way 350W Active/Powered USB Studio Monitor Speakers in Black . Enclosure is made of top quality MDF wood. Our enclosure is not particleboard, it is true high-grade MDF! The enclosure is 0.5 thick while the front board of it is a full 1 thickness to give you the ultimate best sound quality! Beautiful finish is matte with a slight shine to it. Our designers spent a lot of time on the color to make it beautiful and elegant looking to improve the appearance of your studio or room. The enclosure is built with the perfect amount of air space to maximize sound quality for a studio Our factory uses the latest Precision Glue Machine. To put it in simple to understand terms; the glue on speakers is of the upmost importance. If the glue does not hold up. The SPL of the speaker goes up when you use better glue and a better machine the secure the glue in place 24-bit / 44.1, 48k USB audio recording interface, Tuned for enhanced detail, with excellent mid-range definition, Circumaural design contours around the ears for excellent sound isolation in loud environments. Convenient single-side cable exit, Collapsible for space-saving portability Professional Studio Monitor Collapsible Headphones. Designed to excel for studio tracking, mixing and field recording, Type: Closed-back dynamic. Driver Diameter: 40 mm, Magnet: Neodymium. Voice Coil: Copper-clad aluminum wire, Sensitivity: 96 dB