For notebook PCs ()Hi-Fi and thin ()Impedance: 8 ohm +/- 15% at 1KHz ()Sensitivity: 76 +/- 3dB 1W at 1 MHz ()Rated Input: 1W, Max Input 1.5W ()Dimensions: 35 x 20 x 5.9mm (l x w x h) ()FO: 420 Hz ()
For wireless phone ()With hearing aid compatible ()Magnet: Nd-Fe-B ()Impedance: 150 ohm+/-20% at 1KHz ()Sensitivity: 95+/-3dB/100mv at 1KHz ()Dimension: 20.9mm x H3.65mm () () ()