Body font family verdana geneva sans serif font size11px td font family verdana geneva sans serif font size11px westone w20 dual driver earphones with built in mic and removable cable the westone w20 earphones are a true dual driver earphone designed to expand your audio horizons the w20 uses separate bass and high frequency balanced armature drivers to enhance your listening experience with incredible detail and dynamics westone true fit technology 50 years experience with in ea