Krell 200 Watt Vanguard Integrated Stereo Amplifier YOU WILL RECEIVE: 1 200 Watt Vanguard Integrated Stereo Amplifier The Vanguard incorporates a 200-watt-per channel amplifier and a Class A preamplifier, enclosed in a chassis that borrows its design and construction from the new Krell Foundation preamp/processor, Connect stream player, Illusion preamp and iBias amplifiers. An optional, field-installable digital module with USB, HDMI, coaxial, and optical inputs as well as Ethernet audio and apt-X Bluetooth streaming will also be available. The preamplifier section of the Vanguard borrows its balanced, fully discrete Class A circuit concepts from Krells top-of-the-line Illusion preamplifiers. Krells Current Mode technology is employed to assure unequaled signal bandwidth, easily enough to handle the latest high-resolution PCM and DSD audio sources without impacting high-frequency response and detail. The front-panel menu system provides configuration features such as input naming and input trim. Theater Throughput mode lets the Vanguard serve as the core of a surround-sound system without sacrificing two-channel sound quality. Analog Inputs include three stereo RCA and one stereo balanced XLR. High-quality WBT speaker cable terminals provide a secure, electrically ideal connection. A key option for the Vanguard is the digital module, which can be added at the factory or by a dealer. The digital module includes USB, HDMI inputs and output, coax and optical digital inputs; Ethernet music streaming controlled through dedicated iOS and Android apps; and apt-X Bluetooth wireless for convenient streaming from phones, tablets and computers.