3.5 Male to 6.5 Female MM
3.5MM interface devices: headphones, DVD player, sound card, mobile phone, computer
6.5MM interface device: microphone, electric guitar, speaker, amplifier, mixing console
6.5 Male to 3.5 Female MM
3.5MM interface device: 3.5mm headphones, speaker, microphone, mobile phone, computer
6.5MM interface device: electric piano/electronic keyboard, speaker, amplifier, mixing console