Connection cable 3 m, 3.5 mm jack, HZL 26 (with adapter), suitable for: 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.