In depth comparison and review of Erato RIO 3 and Sony WI-XB400. Compare design, audio features, functions and other important specifications to easily choose the right headphones for you. Our goal is to help you uncover differences between the products and find the headphones that will best fit your needs.
| DESIGN AND DIMENSIONS | Erato RIO 3 | Sony WI-XB400 |
|---|
| Product Type | True wireless earphones - Bluetooth - wireless | Earphones - Bluetooth - wireless | |
|---|---|---|---|
| Height | 4.6 cm | - | |
| Width | 5.1 cm | - | |
| Depth | 3.4 cm | - | |
| Weight | 14 g | 21 g | Erato RIO 3 are lighter than Erato RIO 3 headphones. |
| Colour | Yellow | Black | Turquoise | Green | Red | Silver | Black | Blue | |
| Protection | Sweat-resistant, IPX5, water-resistant | - | |
| Recommended Use | Portable electronics | Portable electronics | |
| Bluetooth Range (Operating Distance) | 10 m | 10 m | The maximum operating distance of both headphones is the same. |
| SOUND QUALITY | Erato RIO 3 | Sony WI-XB400 |
|---|
| Headphones Form Factor | In-ear | In-ear - behind-the-neck mount | |
|---|---|---|---|
| Headphones Technology | - | Dynamic | |
| Connectivity Technology | Wireless | Wireless | |
| Wireless Technology | Bluetooth | Bluetooth | |
| Bluetooth Version | Bluetooth 4.2 | Bluetooth 5.0 | Sony WI-XB400 have a more advanced version of Bluetooth than Erato RIO 3. |
| Bluetooth Profiles | Hands-Free Profile (HFP), Headset Profile (HSP), Advanced Audio Distribution Profile (A2DP), Audio/Video Remote Control Profile (AVRCP) | Hands-Free Profile (HFP), Headset Profile (HSP), Advanced Audio Distribution Profile (A2DP), Audio/Video Remote Control Profile (AVRCP), Serial Copy Management System (SCMS-T) | |
| Bluetooth Audio Codec | SBC, AAC, aptX | SBC, AAC | |
| Sound Output Mode | Stereo | - | |
| Sound Effects | - | Extra Bass | |
| Frequency Response | 20 - 20000 Hz | 20 - 20000 Hz | Both headphones offer the same frequency response. |
| Sensitivity | 100 dB | - | |
| Impedance | 32 Ohm | - | |
| Diaphragm | 14.2 mm | 12 mm | Erato RIO 3 have a thicker diaphragm than Sony WI-XB400. |
| Magnet Material | - | Neodymium | |
| Features | - | Magnetic ear buds |
| MICROPHONE | Erato RIO 3 | Sony WI-XB400 |
|---|
| Form Factor | Built-in | - | |
|---|---|---|---|
| Type | - | On-cable | |
| Microphone Technology | - | Electret condenser | |
| Microphone Operation Mode | Omni-directional | Uni-directional | |
| Sensitivity | -38 dB | - |
| REMOTE CONTROL | Erato RIO 3 | Sony WI-XB400 |
|---|
| Controls | Volume, power on/off, answer/end, play/pause, next/previous track, pair mode | Multiple function button |
|---|
| CABLE | Erato RIO 3 | Sony WI-XB400 |
|---|
| Cable Type | - | USB-C charge cable - detachable - 20 cm |
|---|
| FEATURES | Erato RIO 3 | Sony WI-XB400 |
|---|
| Intelligent Assistant | - | Siri, Google Assistant |
|---|
| BATTERY AND CHARGING | Erato RIO 3 | Sony WI-XB400 |
|---|
| Battery Type | Headphone battery rechargeable | Headphone battery rechargeable - Lithium Ion | |
|---|---|---|---|
| Battery Capacity | 130 mAh | - | |
| Battery Life | 8 hour(s) | 15 hour(s) | Sony WI-XB400 lasts longer on a single charge than the Erato RIO 3. |
| Battery Life Details | Continuous playback: up to 6 hours Continuous talk: up to 8 hours |
- | |
| Standby Time | - | 200 hours | |
| Charging Time | - | 3 hour(s) | |
| Included Qty | 2 | - |
| CONNECTIONS | Erato RIO 3 | Sony WI-XB400 |
|---|
| Connector Type | - | USB (power only) (USB Type-C) |
|---|
| OTHERS | Erato RIO 3 | Sony WI-XB400 |
|---|
| Included Accessories | - | Ear-buds |
|---|
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