Sennheiser EM 6000 Two-Channel Digital Wireless Receiver (US: 470 to 714 MHz)The Sennheiser EM 6000 is a Digital 6000 Series, two channel wireless receiver engineered to deliver superb audio and mission critical transmission reliability for the most complex live productions regardless of how demanding the RF environment. It is ideal for touring and rental companies, theater and musical events, broadcasting, large places of worship, and corporate applications. Housed in a compact, single rack unit, the EM 6000 features the