Air-conduction
Polypropylene and Titanium Edge
Piezoceramics Speaker
Direct Radiation Type
7.1Channel
Two Side Electrode
Round, Half Moon, Other
3-7days for Sampels, 1-2weeks for Formal
Brass, Ni-Ni-Alloy, SUS
30 Max
10 Years Experience
Ceramic Rings, Self Drive Type
Carton