Professional Voice Conferencing Units Polaris Voice The new Polaris Voice has a huge list of useful features. It guarantees a professional conference, available in charcoal grey or metallic silver grey and comes with our unique Five Year Warranty. Digital Signal Processing (DSP) Brilliant acoustic quality stylish European design simple plug and play operation ideal for the contemporary boardroom full duplex system echo cancellation three built-in microphones superior sound quality from every angle clear and smooth speech additional microphones available Five Year Warranty Polycom Soundstation & Soundstation EX SoundStation is Polycom's world-leading conference phone, used by all of the Fortune 100 companies. SoundStation adapts automatically to changing room and telephone line conditions to permit natural conversations without clipping or distortion. SoundStation EX with extension microphones ads expanded capability for medium to large-sized conference rooms. Integrated keypad eliminates the need for extra equipment - simple to install and use. The EX offers all of the features of the SoundStation with two external microphone ports and optional extended microphones for additional coverage and greater microphone pick-up. Full-Duplex Performance / simultaneous 2-way communication Echo cancellation & suppression crystal clear conversations Integrated keypad Award winning design Three quality microphones Powerful speaker Two external microphone modules (SoundStation Ex only) 360° room coverage Recording facility Warranty 12 Months