Dali IO-4

Wireless Hi-Fi headphones with a class-leading 60 hour battery life. Designed for maximum comfort and durability with natural, transparent sound. Designed and engineered in Denmark.

Authentic DALI Sound

DALI IO headphones are built on a class-leading 50 mm paper fibre cone for the most natural, transparent and authentic DALI sound.

Battery Life (60 hrs)

The IO-4 offers a class-leading 60 hour battery life that lets you go for weeks between charges – and recharges in just 2.5 hours.

Comfort & Durability

DALI IO ear pads are made from memory foam that shapes to the head for maximum comfort, fit and seal.


DALI IO headphones support Bluetooth aptX, aptX HD and Apple AAC. For best results, use the included USB-C or mini-jack connectors.