Side by side comparison and review of Sony WI-XB400 and Poly Savi 8240-M D2. Compare design, sound quality and other key specifications and features to simplify the choice of your perfect headphones. Our goal is to make it easier for you to decide on the headphones that will best meet your expectations by revealing the main differences between the products.
| DESIGN AND DIMENSIONS | Sony WI-XB400 | Poly Savi 8240-M D2 |
|---|
| Product Type | Earphones - Bluetooth - wireless | Headset | |
|---|---|---|---|
| Weight | 21 g | - | |
| Colour | Black | Blue | - | |
| Recommended Use | Portable electronics | - | |
| Bluetooth Range (Operating Distance) | 10 m | - |
| SOUND QUALITY | Sony WI-XB400 | Poly Savi 8240-M D2 |
|---|
| Headphones Form Factor | In-ear - behind-the-neck mount | - | |
|---|---|---|---|
| Headphones Technology | Dynamic | - | |
| Connectivity Technology | Wireless | - | |
| Wireless Technology | Bluetooth | - | |
| Bluetooth Version | Bluetooth 5.0 | - | |
| Bluetooth Profiles | 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 | - | |
| Sound Effects | Extra Bass | - | |
| Frequency Response | 20 - 20000 Hz | - | |
| Diaphragm | 12 mm | - | |
| Magnet Material | Neodymium | - | |
| Features | Magnetic ear buds | - |
| MICROPHONE | Sony WI-XB400 | Poly Savi 8240-M D2 |
|---|
| Type | On-cable | - | |
|---|---|---|---|
| Microphone Technology | Electret condenser | - | |
| Microphone Operation Mode | Uni-directional | - |
| REMOTE CONTROL | Sony WI-XB400 | Poly Savi 8240-M D2 |
|---|
| Controls | Multiple function button | - |
|---|
| CABLE | Sony WI-XB400 | Poly Savi 8240-M D2 |
|---|
| Cable Type | USB-C charge cable - detachable - 20 cm | - |
|---|
| FEATURES | Sony WI-XB400 | Poly Savi 8240-M D2 |
|---|
| Intelligent Assistant | Siri, Google Assistant | - |
|---|
| BATTERY AND CHARGING | Sony WI-XB400 | Poly Savi 8240-M D2 |
|---|
| Battery Type | Headphone battery rechargeable - Lithium Ion | - | |
|---|---|---|---|
| Battery Life | 15 hour(s) | - | |
| Standby Time | 200 hours | - | |
| Charging Time | 3 hour(s) | - |
| CONNECTIONS | Sony WI-XB400 | Poly Savi 8240-M D2 |
|---|
| Connector Type | USB (power only) (USB Type-C) | - |
|---|
| OTHERS | Sony WI-XB400 | Poly Savi 8240-M D2 |
|---|
| Included Accessories | Ear-buds | - |
|---|
cs
sk
de
it
es
fr
hu
pt
ru
pl
br
ro
