4.5 -inch speaker unit, metal materials, zinc coating, 70-100 - v 6 w, technical parameters
Rated power: 6 w;
Sensitivity: 90 db + / - 3 db;
The input voltage: 70 v / 100 v;
Frequency response: 130-18000 hz;
Driver: 4.5 inch;
Product size (mm) : Φ 180 x 60 mm;
Hole size: 160 mm Φ;
Material: metal;;
Product size (mm) : Φ 128 x 85 mm;
Hole size: 100 mm Φ;
Material: ABS;