iM-390 iMetal® Isolation Earphones Featuring a lightweight aluminum alloy body and high-fidelity neodymium drivers, the iM-390 is designed to provide performance, style and quality for use with any MP3 player, smartphone, PDA as well as air travel. MSRP:$39.99. Where to Buy    •   Reviews Get 50 free song downloads from eMusic.com with the purchase of iM-390 earphones here. Offer extended until 12/31/2008. Other Views Features Specifications •  Lightweight aluminum alloy body •  High-fidelity 9mm neodymium drivers •  3 pairs/sizes (L,M,S) of eartips •  Gold-plated 3.5mm stereo plug •  2.5mm and air travel plug adapters •  2-ft extension cable •  Premium carrying case •  Lifetime warranty •  Frequency response: 18Hz-22KHz •  Sensitivity (1KHz, 0.1V): > 100dB •  Maximum SPL output: >120dB