DALI IO-4 Over-Ear Wireless Headphones
Product Gallery
Product Overview
DALI IO-4 is a high-end wireless over-ear headphone driven by DALI's custom 50mm paper fiber cone drivers that product a natural, transparent, and authentic sound true to DALI's heritage.
The DALI IO-4 can be run both actively for a play time up to 60 hours and passively via the 3.5mm mini-jack. Bluetooth AptX, AptX HD, and Apple AAC are supported. Via USB-C, it is also possible to stream audio from Windows or Mac directly.
The DALI IO ear pads are made from memory foam that shapes to the head for maximum comfort and fit. Covered in soft synthetic leather, they are both comfortable and durable.
Alongside the IO-4, DALI also introduced the IO-6 with ANC.
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Ratings
What we found**
Pros
- Gorgeous, detailed sound
- Excellent battery life
- Comfortable earpads
Cons
- Nothing in particular
What external reviewers found***
Ext 83% (not directly comparable across industries)
Pros
- Excellent battery life
- Comfortable fit
- Expansive, detailed sound
Cons
- Dali’s noise-cancelling isn’t for everyone
Price Comparison (incl. referral links)*
Specifications
Connectivity
Ports
3.5mm + USB-C
Wireless Connectivity
Bluetooth 5.0
Construction
Colors
Army Green, Chalk White, Iron Black, Caramel White
Drivers
50 mm free edge paper fibre cone
Form Factor
Over-ear headphones, wireless headphones
Headphone Type
Closed headphones, Dynamic headphones
Material
Closed back circumaural (over ear)
Dimensions
Weight
320 g
Function
Bluetooth Codecs
AAC, aptX, aptX HD
Noise Cancellation
No
Weather Resistance
IP53
Performance
Battery Life
60 h
Charging Time
2.5 h
Frequency Response
10Hz - 20kHz
Impedance
25 ohms (Via 3.5mm)
Max Sound Level
100 dB
Sensitivity
200 mV rms / 175 mV rms
Production
Debut
2019-10
Related Products
Related Articles
DALI IO-6 & Sennheiser Momentum True Wireless 2 Won 2020-2021 EISA Awards
DALI IO-6 and Sennheiser Momentum True Wireless 2 have received EISA awards in the 2020-2021 cycle in the Mobile Devices category.
News · 15 Aug 2020
External Reviews
whathifi[1]
Sentiment Score 83% IO-4s claim a whopping 60 hours of wireless listening time, double that of their noise-cancelling siblings. Charging time, thanks to the USB-C port, is just 2.5 hours from flat to fully charged. Stereo L comes through with noteworthy transparency throughout the frequencies; from the synth and low-level rhythmic riffs up into the keys.
Find the original article here.
Pros
- Expansive, detailed sound
- Excellent battery life
- Comfortable fit
Cons
- Dali’s noise-cancelling isn’t for everyone
User Reviews
References
1. ^ Dali IO-4 review. [whathifi]. https://www.whathifi.com/reviews/dali-io-4. 2020-03-12. Retrieved 2021-03-22.
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***These key takeaways ("pros" and "cons") and summaries are identified from third-party review by our AI using advanced language models.
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