tender for speaker - speaker type :- main speaker, amplification method:- passive speaker, configuration :- two way, number of speaker:- 1 frequency response (hz):- 20-20,000 hz, low frequency unit with size in inches:- 6.5, sound pressure level (spl) (1 w/1m) (db):- 89 maximum level sound pressure level (db) :-100 ,watt:-30 w speaker