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DALI IO-4 Wireless Bluetooth Headphones

DALI elevates the headphone market with the introduction of the DALI IO4 wireless bluetooth headphones and class leading 60 hour battery life. Authentic DALI sound, comfort and classic Nordic design are the hallmarks of this high quality Danish wireless bluetooth headphone.

The DALI IO4 are wireless, battery rechargeable hi-fi headphones. They are over-ear (circumaural), closed-back designs, engineered to offer extremely high quality sound reproduction. The IO4 is available in two colour finishes: Iron Black and Caramel White.

Today, we spend more and more time on the go, whether it be commuting to work or traveling for business and pleasure. All of this time we spend ‘on the go’ can also become time to spend doing what we enjoy, whether that being listening to our favourite music or watching a great film.

The DALI IO headphones are intended to be the perfect travel companion for those ‘on the go’ situations, delivering the ultimate audio performance. The flexible headband and swivel ensure they are as comfortable around your neck as they are on your head so you can travel with ease.


Product series Headphones
Headphone Principle Closed back circumaural (over ear)
Full Range Driver 50 mm free edge paper fibre cone
Frequency Range (+/-3 dB) [Hz] 10 - 20,000
Maximum SPL [dB] 100
Connection Input Bluetooth™ 5.0
3.5 mm Mini Jack
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 [kg] 320 g
Compact Storage One-way foldable
IP Rating IP53
Analogue Input Sensitivity [mV] 200 mV rms / 175 mV rms
Input Impedance 3.5mm Mini-jack [Ω] 25

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