SONY Stereo Headphones White MDR-XD150/W<div style="text-align: left;"><strong>[Product Information]</strong><br><ul><li>Sealing up dynamic model.I reproduce the bass filled with a sense of reality.</li><li>Reproduction frequency band: 12~22000Hz. Maximum input: 1000mW</li><li>Impedance: 30Ω. Output sound pressure level (sensitivity): 100dB</li><li>Driver diameter: φ40mm. Weight: about 160g (excluding cable)</li></ul></div><img src="http://ecx.images-amazon.com/images/I/31k5k5%2BmY2L.jpg" noproxy>