Power Out: 3W(RMS);
Frequency Range: 100HZ-12KHZ;
Sensitivity: 70db/m/w;
Nominal Impendance: 4Ohms+-0.2;
Size: D 83 * H 40mm;
Core weight: with package 250g
Package size: 103x103x90mm
Box pack
speaker , portable speaker , mobile speaker, usb speaker,vibration speaker