Impedance 1.5 KHz 4.0+/-15% ? DIMENSIONS: 56*21*11.8mm Resonance Frequency(f0) 770+/-20% HZ Sensitivity(0dB=20uPa) 85 +/-3DB At 0.8,1,1.2,1.5KHz/AVE 0.1W,0.1m Operating Power (Nom/Max) 1/2W 1.5 KHz/ Nom.powerTotal... - Update: 2009-06-17

Impedance 1.5 KHz 50+/-15% ? Resonance Frequency(f0) 1000+/-20% HZ Sensitivity(0dB=20uPa) 83 +/-3DB At 0.8,1,1.2,1.5KHz/AVE 0.1W,0.1m Operating Power (Nom/Max) 1.0/1.5W 1.5 KHz/ Nom.powerTotal Max. 5% Harmonic Dis... - Update: 2009-06-17

Dimension ?15*3.7t Rated Input Power 0.5W Max Input Power 1.0W Rated Impedance 8 plus and minus 15% ? /2KHz/1V Resonance Frequency(f0) 1000 plus and minus 20% Hz/1V Sound Pressure Level 90 plus and minus 3 dB at (AVG 0.8... - Update: 2009-06-17

Dimensions 20*40 mm 0.8*1.5 inch Nominal input 1.5 W , Maximum input 3.0 W Nominal Impedance 8.0 ? +/-15 % At 1000 Hz test Lowest Resonance Frequency 450 Hz plus and minus 20 % Output Sound Pressure Level 84 plus and minus 3 dB (average 0.6K.0... - Update: 2009-06-17

Dimensions 15mm Nominal input 1m W,Maximum input 2m W Nominal Impedance 32? +/-15 % At 1000 Hz test Lowest Resonance Frequency 240Hz plus and minus 20 % Output Sound Pressure Level 107 plus and minus 3dB (At 1kHz 0.2V/1mW - Update: 2009-06-17