SUDBURY, Mass.–(BUSINESS WIRE)–Revolabs®, Inc., a wholly owned subsidiary of Yamaha Corporation, has announced the debut of its YVC-300 portable USB and Bluetooth® conference phone from Yamaha, bringing high-quality audio to new applications. Designed for small groups and powered by USB, the YVC-300 is a versatile conference phone delivering ample, clear sound to ad hoc meeting areas such as open collaboration spaces and touchdown spaces. “As huddle rooms and other small meeting space environ