usp1

  1. dalethorn

    Thinksound USP1 (Pewter Earpiece) IEM/Earphone review.

    Here's a unique earphone with pewter earpieces. This design had me thinking (no pun intended) of Grado's porous-metal earcup housings that they use in some of their full-size headphones. The idea here is similar - to reduce resonances in the driver housings. U.S. made, the MSRP here is $179...

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