The MAX EX conference phone provides premium, full-duplex audio with unmatched expansion capabilities. Integrating ClearOne's industry-leading professional audio technology and advanced processing, MAX EX brings you unbelievable clarity, unique expandability - and incredible ease of use. MAX EX is the perfect solution for small conference rooms as a single unit, and also covers medium to large conference rooms as an expanded system. Link up to four phone units complete with microphones, loudspeakers and controls for an even distribution of sound. With MAX EX in meetings, not only can discussions flow more freely, so can productivity.