BTX is an award-winning 48 year old distributor and manufacturer of an array of integration products that range from connectivity to signal distribution, digital signage, collaboration software, lecture capture and IPTV. BTX has been CTS Certified since 2007. We have an award-winning technical inside and outside sales staff, applications engineering team and an in-house product engineering group. Utilize our technical personnel to help value engineer your projects. BTX offers the broadest selection of audio, video and data integration products in the industry. Our detailed knowledge of the vast array of options available puts BTX in the best position to offer alternative and equivalent products that can drive your cost of installation down. That reduced cost can equate to winning a project based on lower costs or increasing your profitability on an existing project. The model PW-DPS9UL Power Supply 24VAC:9 cameras Isolated outputs,4amps(4pc mn).