Datasheet for the Silent Knight SpectrAlert Advance Outdoor Speakers, published in 2009. Document No: A05-1007-005, Rev: #2030. 7 models including SPWK, SPRK and SPSWK. Product features and technical specifications.
Datasheet for the Silent Knight SpectrAlert Advance Outdoor Speakers, published in 2009. Document No: A05-1007-005, Rev: #2030. 7 models including SPWK, SPRK and SPSWK. Product features and technical specifications.
