Juergnauser5 years ago000Does anyone know if this cable is compatible with the HD 4.50BTNC and works? Thank you in advance and greetings.Show in original language (German)mariofuchs5 years ago • purchased this product000purchased this productSince Sennheiser has its own standard connector for headphone cables (with a safety hook), it should actually be compatible. However, I only know the headphones mentioned by sight, so no guarantee.Show in original language (German)Comment