GRP-4 Speaker

GRP-4 speaker is designed for use in 100V line speaker systems. Due to the nature of penitentiary facilities is made in the form of a solid metal plate settled in a frame. Seven-level switch adjusts the volume. It has the possibility of so-called forced-to-listen.

Basic parameters:grp4
  • Input level - 100V or 120V
  • Seven-level volume control
  • Dynamic speaker 30W
  • Dimensions of the plate (W x H) - 181 x 191 mm
  • Recessed cavity dimensions (W x H x D) - 186 x 196 x 65 mm
  • The width of the flange frame - 20 mm