The EZ-MX4L is a stereo audio mixer with four line inputs. All line inputs connect through RCA jacks; one also includes a MINI-jack input. Left and right channel LED VU metering facilitates easy level adjustment. The line output is available on stereo RCA jacks or on a MINI-jack. The EZ-MX4L is used in houses of worship, restaurants, clubs, meeting rooms, studios, home component systems and commercial sound systems.