The ES-215 is an in-line audio level indicator which provides a purely digital representation of an audio signal's loudness. The unit features fourteen LED's (nine Green, one Yellow and four Red) that display levels of -25, -20, -15, -10, -7, -5, -3, -2, -1, 0, +1, +2, +3 and +4 db. Units are shipped in Peak mode. The panel is designed for console mounting. Four pigtail leads are provided for Hard Wiring Power and Audio hookup. The unit measures 7"W x 1.5"H x 3.5"D. ESE offers two basic versions of the "Digital" Audio Level (VU) Indicator. Each version has a reference level ("0 dB") adjustment and is optionally available in a rack mount configuration with as many as six units mounted on a single 1 3/4" x 19" panel.