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The Rolls HRD324 Digital Room/Speaker Delay is intended for simple time alignment of speakers in larger rooms or outdoors. The delay dial is shown in milliseconds to make setup easy. The 32 to 360 ms shown on the dial will correlate to about the same in feet (32 ms = 32'). The Rolls HRD342 is inserted between the main console output and the amplifiers supplying the delayed speaker signal.
Balanced XLR input and output
Level control to make up or add gain
Mounting designed to fit Rolls RMS270 rack tray, HR31 rack ears (not included)