With this QED Connect adapter, you can connect the 3.5 mm jack of a headphone to the larger 6.3 mm headphone output of an amplifier, DAC, or headphone amplifier. All CONNECT products are designed in the UK and feature a sleek, satin black design. The robust and ultra-flexible PVC jacket ensures reliable performance, both at home and on the go. The cables are equipped with specially shaped, 24-carat gold-plated QED sockets and plugs, providing high-quality and durable connections. Thanks to 99.99% oxygen-free copper conductors, reliable and particularly low-loss signal transmission is guaranteed. All QED CONNECT cables are available in various lengths and come in eco-friendly, fully biodegradable packaging. Connector: 3.5 mm to 6.3 mm jack.