Bose? PowerMatch PM8500 configurable professional power amplifier with high configurability and scalability, to bring you a concert-level sound experience. PM8500 is a multi-channel amplifier, you can choose a variety of different channels and power modes Crown amplifier and lecture hall, integrated audio digital signal processors, with front panel user interface and a USB interface and other components. Models with a network connection function also has a network configuration and monitoring functions. Also integrated amplifier, training room expansion card slot expansion card can be inserted into digital, providing a digital audio signal input. PowerMatch Bose amplifier using a number of patented technologies and reliable design, performance, efficiency and ease of installation and other aspects have received an unprecedented increase. PowerMatch Class D amplifier design patent class D amplifier efficiency dual voltage and current feedback circuit combining roundtable room audio amplifier, continuous monitoring, control the speaker's current and voltage. This combination allows the amplifier to provide the most sustainable wide dynamic range, frequency response, low distortion, and not subject to the power and load impedance. QuadBridge? Output configuration of each speaker output ports can be configured as Mono, V-Bridge, I-Share or Quad-peer mode, which allows all of the optional power amplifier can be assigned to one or more output channels. V-Bridge mode and Quad mode can drive low impedance or 70 / 100V load. In addition, the speaker output can be configured via the front panel or by using an amplifier ControlSpace Designer software. Roundtable room audio amplifier | Amplifier | Audio Engineering offered by Wuhan Wuhan Engineering Co., Ltd. Jiuhua video. Jiuhua Video Engineering Co., Ltd., Wuhan (www.jowa-tech.com) strong, credible, in Wuhan, Hubei control and adjustment equipment industry has accumulated a large number of loyal customers. The company better work attitude and constantly improve Wuhan Jiuhua innovative ideas will lead into the brilliant video and you work for a better future!