DALI IO-4 Wireless Over Ear Headphones

Brand: DALI
Product Code: DAL-IO4
Warranty: 12 Months
Colour: *

$499.00 $449.00
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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 Hours)

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.

Engineered in Denmark

Highest standards of design, durability, comfort and sound quality.

DALI 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.

DALI IO-4 Headphones

Authentic Sound

Benefitting from decades of sound design.

With 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.

DALI IO-4 Headphones

50 mm Driver

Reproducing the smallest details with crystal clear clarity.

We 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.

DALI IO-4 Headphones

Confort and Design

Ergonomically optimised for a comfortable fit.

The 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.

DALI IO-4 Headphones

Extended Battery Life

Up to 60 hours playback.

Our 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.

DALI IO-4 Headphones
Headphone Principle Closed Back Circumaural (Over Ear)
Full Range Driver 50 mm Free Edge Paper Fibre Cone
Frequency Range (+/-3 dB) 10 Hz - 20 kHz
Nominal Impedance 25 Ohms
Maximum SPL 100 dB
Connection Input Bluetooth™ 5.0, 3.5 mm Mini Jack, USB-C
Wireless Input(s) Bluetooth 5.0, AAC, aptX, aptX HD
Magnetic Shielding No
Functions Power On/Off, Bluetooth™ Pair/Release, Volume Up/Down, Play/Pause/Skip Track, Take Call
Noise Reduction N/A
Hands-free Calls & Voice Assist Clear Voice Communication (CVC)
Battery Playback Time Up to 60 Hours
Battery Charge Time 2.5 Hours
Accessories Included USB-C Cable, 3.5 mm Stereo Cable, String Bag
Replaceable Earpads Yes
Weight 320 g
Compact Storage One-Way Foldable
IP Rating IP53
Analogue Input Sensitivity 200 mV RMS / 175 mV RMS
Input Impedance 3.5 mm Mini-Jack 25 Ohms
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