Our belief: Information bridge erection, service future society; our goal: to help our customers achieve more successful and exciting meetings and presentations; allow enterprises to become the audiovisual industry leader. Our commitment: to provide professional consulting, pre-sales and after-sales service; to meet different customer needs to provide high-quality products; to provide a full range of audio and video solutions. Network active speaker is a set of network transmission, the whole class D digital amplifier and remote control monitoring and DSP signal processing as one of the full-range speaker with. Energy output with high efficiency loud, excellent sound quality, perfect protection and good EMC characteristics via a PC using a CAT5 network cable to the product for remote monitoring and adjusting the DSP, and enables network audio signal reception. K12 which is divided by two 12-inch woofer + 44T tweeter speakers brand C-MARK, K15 for three-way 15-inch woofer + 75T + 44T Tenor Treble Speaker BMB Kara OK rooms, K15M for two-way 15-inch woofer + 44T treble, K30 for three-way dual 15-inch woofer + 75T + 44T tweeter midrange speaker PA conferencing systems, K18 18-inch subwoofer. K Series active loudspeakers and network adaptive AC 100-240V 50 / 60Hz global supply voltage. Features 1) K15-thirds tone for the 15-inch woofer + 75T + 44T midrange tweeter, K15M for two-tone 15-inch woofer + 44T tweeter. 2) using CobraNet technology, with backup analog inputs and CobraNet network input interface functions. 3) K Series active loudspeakers network in the PC remotely powered speakers operating temperature, the voltage across the load current monitoring, and to achieve a gain adjustment and remote switch function. Conference speakers sound engineering, Wuhan multimedia system (certified), speakers provided by Wuhan Engineering Co., Ltd. Jiuhua video. Jiuhua Video Engineering Co., Ltd., Wuhan (www.jowa-tech.com) is a leader in Wuhan, control and adjust the equipment, over the years, the company is implementing the scientific management, innovation and development, the principle of honesty and trustworthiness, and satisfy customer needs . Wuhan Jiuhua video leadership with the staff warmly welcome all inquiries negotiations to create a better video Wuhan Jiuhua future.