Whelen cencom sapphire replacement amplifier

Used condition. Fully tested and working. THIS IS FOR THE AMPLIFIER ONLY. NO OTHER ACCESSORIES OR WIRING IS INCLUDED. Great for use to replace a burnt out or damaged sapphire Amp or to add into a vehicle that had the Amp removed. 
We have over 25 amps in stock. Will not be the exact pictured unit. Date code and version will vary. NON TRAFFIC ADVISOR MODEL. all will have cosmetic wear including scratches scuffs velcro tape residue etc. All were tested with the newest version of Whelen command.