dc公插头/dc5.5母座/音叉/dc2.5母座/dc3.5
dc公插头/dc5.5母座/..
3.5音频母座/2.5插头耳..
2.5/3.5/单音/双音/..
3.5立体母座、3.5单音母..
6.3插头/6.35音频插头..