IO4 vs IO6
The IO6 matches the IO4 on sensitivity (100 dB), impedance (25Ω), driver size (50mm), and headphone type (Over-ear).
AI-generated product photo — not official manufacturer imagery.
HeadphonesWireless HeadphonesOver-Ear HeadphonesDiscontinued
Estimated price (community-sourced)
$240
Around — community and catalog average, updates slowly
About the IO4
The DALI IO-4 is a closed-back, over-ear wireless headphone designed and engineered in Denmark for natural, transparent sound. It uses DALI’s custom 50 mm paper-fibre cone driver, supports Bluetooth 5.0 with aptX, aptX HD, and AAC, and also offers wired listening via 3.5 mm mini-jack or USB-C. The IO-4 is built for long listening sessions with up to 60 hours of battery life, quick 2.5-hour charging, passive wired playback when powered off, and IP53 protection.
Specifications
Transducer Specifications
Driver and acoustic performance characteristics
- Sensitivity
- 100 dB SPL @ 1W/1m
- Impedance
- 25Ω
Headphone Design
Headphone driver and design characteristics
- Type
- over-ear
- Driver Type
- dynamic
- Open/Closed Back
- Closed Back
- Driver Size
- 50mm
- Weight
- 320 g
Connectivity
Input and output connections
- Bluetooth
- Yes
- Bluetooth Codecs
- AAC, aptX, aptX HD
- Wi-Fi
- No
- Ethernet
- No
- Digital Inputs
- USB-C
- Analog Inputs
- 3.5 mm mini jack
Physical Dimensions
Size, weight, and appearance
- Weight
- 0.32 kg (1 lbs)
- Available Colors
- Iron Black, Caramel White, Chalk White, Army Green
Key Specifications
Sensitivity: 100 dB
Impedance: 25Ω
Specifications are community-contributed and may not be accurate or complete. Verify all details with the manufacturer before making purchasing decisions. Terms & Conditions