508-128
508-128 | |
[[File:|200px]] | |
Company | Federal Signal Corporation |
---|---|
Produced | 2011-Present |
The 508 is produced by Federal Signal Corporation. The 508 name comes from the 500Hz frequency of sound it produces, deeper than its 2001-130 brethren.
508-128 | |
[[File:|200px]] | |
Company | Federal Signal Corporation |
---|---|
Produced | 2011-Present |
The 508 is produced by Federal Signal Corporation. The 508 name comes from the 500Hz frequency of sound it produces, deeper than its 2001-130 brethren.