OFC copper wire can improve the resolution and separation of the earphones and eliminate the dull feeling of the earphone bass. Item Type: Headphone Cable with Adapter. Fit for HD 25-sp/HD 222/HD 224/HD 230/HD 250/HD 250 Linear II/ HD 414/HD 414 SL/HD 420/HD 420 SL/HD 425/HD 430/HD 440 II/HD 442 II/HD 450 II/HD 480 Classic/HD 480 CL-II/HD 480 II/HD 490 II/HD 520/HD 520 II/HD 530/HD 530 II/HD 540/HD 540 II/HD 560/HD 560 II.
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