Specs: 

impendance:    8ohm +-15% at 800 Hz 1.0V

min resonant  REQ 260+-20% Hz  ,    test condition:       without baffle 

power:    10W,MAX 15Watt

output  S.P.L :   +-3db At 600,800,1K,1.2K Hz  

Frequency  range:   F0-19 KHZ ,Average SPL+-10db

distortion:  5% Max at 1000HZ 10W

operation  termperature:  -20deg to 50deg

storage  temperature:  -40deg to 60deg

size:58mm*58mm