1.Tweeet speaker /tweeter/speaker 2.Very high quality sound speaker 3.Factory Direct sell speaker 4.Speaker manufacturer tweeet speaker /tweeter/speakerSpecifications:1) Nominal diameter: 1.75"2) Nominal impedance: 8Ω3) Power(RMS): 40W4) Sensitivity (1W/1m): 99dB5) Frequency range: 1,500-20,000Hz6) Fs: 1,500Hz7) Re (D.C.): 6Ω8) Diaphragm material: titanium9) Surrounding: titanium10) Voice coil ...