Suitable for: HD 265 Linear, HD 265 Linear II, HD 414 Classic,HD 500 A, HD 500 Fusion, HD 525, HD 535, HD 535 II, HD 545, HD 545 II, HD 565, HD 565 II, HD 570 Symphony, HD 575, HD 580, HD 580 Jubilee, HD 590 Prestige, HD 600 Avantgarde, HD 1000 CHARLESTON.