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.
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.
ENGINEERED IN DENMARK
Highest standards of design, durability, comfort and sound qualityDALI IO headphones are a true DALI product, designed and engineered to the same fundamental principles and attention to detail as any other DALI loudspeaker. Every component meets the highest standards of design, durability, comfort, functionality and - most importantly - sound quality. With the DALI IO headphone series, we had a clear goal: they should deliver the best possible sound quality and be extremely comfortable to wear – even when used for hours on end.
Benefitting from decades of sound designWith DALI IO headphones, you benefit from four decades of world-class Hi-Fi loudspeaker design. With the IO-4, our goal was to create the most natural and authentic sound possible and to reproduce music exactly as the artist intended it. We believe we succeeded.
50 MM DRIVER
Reproducing the smallest details with crystal clear clarityWe understand the importance of a high-performance driver. That's why the IO-4 features a high quality, custom designed driver with a large 50 mm diaphragm and optimised neodymium magnet system. The result is low distortion, minimal colouration and accurate dynamics throughout the entire frequency range.
COMFORT AND DESIGN
Ergonomically optimised for a comfortable fitThe stylish IO-4 headphones have been ergonomically optimised and designed with the right amount of adjustability to ensure a comfortable fit. Also, the earpads are made from memory foam that naturally shape to the head for extended use, while creating the best possible seal for a consistent acoustic performance.
EXTENDED BATTERY LIFE
Up to 60 hours playbackOur advanced lithium-ion battery lets you listen to your favourite music nonstop for up to an incredible 60 hours. With battery level LEDs and voice prompt, you always know how much charge is left. And if your IO-4 runs dry, continue in passive 'off' mode to keep the music alive.
REVIEWS & AWARDSVIEW ALL REVIEWS
"For its first toe-dip into the headphone market, DALI has produced an impressive pair of headphones" that was the conclusion of British magazine StereoNet after reviewing the DALI IO-4, awarding it 5 stars and an Applause Award."
Closed back circumaural (over ear)
Full Range Driver
50mm free edge paper fibre cone
Frequency Range (+/-3 dB) [Hz]
10 - 20,000
Battery Playback Time
Up to 60 hours
Battery Charge Time
Nominal Impedance [ohms]
Maximum SPL [dB]
Bluetooth™ 5.0, 3.5 mm Mini Jack, USB-C
Bluetooth 5.0, AAC, aptX, aptX HD
FAQSee all FAQ's
Both headphones have been tuned almost identically, so you won't hear any noticeable difference.
IO is already connected to other player. Turn off the IO and try again
The device is not in pairing mode. Check the status LED is blinking blue
This can happen if the power button get toggled ON/OFF/ON too quickly. Try turn the headphone off( listen to the voice saying "power off", and restart the headphone
USB audio is only supported by computers: Win & Mac
The Battery level LED have a "trafic light" behaviour under use: Green= more than 50%, orange 25-50%, red 10-20%, flashing red below 10%. However, During charging the Battery LED indicator is just two stage: Orange= charging. Green = fully charged ( more than 90%)
Wireless Hi-Fi headphones designed and engineered in Denmark.
Soft ear pads with synthetic leather for maximum comfort and durability.
An award-winning battery-powered Bluetooth speaker with stunning sound.