Whelen WC external siren amplifier CCSRN4DA

Used condition. These have been bench tested with a Whelen cencom carbide and function with a 100 watt siren speaker. 
THESE WORK WITH THE WECAN SYSYEM ON CARBIDE and CANTROL SYSTEMS ONLY. WILL NOT WORK WITH SAPPHIRE OR AS A STANDALONE SIREN CONTROLLER.  
Has normal signs of cosmetic use including scratches scuffs etc. Over 50 in stock and manufacturer and version code may vary. 
WE HAVE SOME WITH CABLES BUT A MAJORITY ARE MISSING. CABLES ARE $20 EXTRA
NO CABLES ARE INCLUDED. YOU WILL HAVE TO BUY A 4 PIN POWER/SPEAKER AND 3 PIN WECAN PLUG. 
Model #CCSRN4DA
Part #01-066G558-000