Detailed comparison and review of Sony WH-1000XM4 and Poly Savi 8240-M D2. With our comprehensive overview, you can simply compare design, sound quality, but also other key features of both headphones and easily decide which ones are the right choice for you. Our goal is to help you identify the main differences between products and find the headphones that best fit your needs and expectations.
| DESIGN AND DIMENSIONS | Sony WH-1000XM4 | Poly Savi 8240-M D2 |
|---|
| Product Type | Headphones - Bluetooth - wireless, wired - NFC - 3.5 mm jack | Headset | |
|---|---|---|---|
| Height | 25.2 cm | - | |
| Width | 7.7 cm | - | |
| Length | 18.5 cm | - | |
| Weight | 520 g | - | |
| Colour | White | Black | Silver | Midnight blue | - | |
| Earpad Material | Urethane foam | - | |
| Recommended Use | Portable electronics | - | |
| Bluetooth Range (Operating Distance) | 10 m | - | |
| High-Resolution Audio | Yes | - |
| SOUND QUALITY | Sony WH-1000XM4 | Poly Savi 8240-M D2 |
|---|
| Headphones Form Factor | Full size | - | |
|---|---|---|---|
| Headphones Technology | Dynamic | - | |
| Ear Cups Type | Closed | - | |
| Foldable | Yes | - | Sony WH-1000XM4 can be folded. |
| Connectivity Technology | Wireless, wired | - | |
| 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, LDAC | - | |
| Active Noise Cancelling | Yes | - | Sony WH-1000XM4 are equipped with active noice cancellation. |
| Active Noise Cancelling Technology | Ambient Sound Mode / Dual Noise Sensor | - | |
| Sound Effects | Digital Sound Enhancement Engine Extreme (DSEE Extreme), Adaptive Sound Control, 360 Reality Audio | - | |
| Diaphragm | Aluminium coated LCP - 40 mm | - | |
| Simultaneously Connectable Devices Qty (Multipoint) | 2 | - | Sony WH-1000XM4 have the ability to connect to multiple devices simultaneously. |
| Magnet Material | Neodymium | - | |
| Features | HD Noise Canceling Processor QN1, Speak-to-chat technology, Precise Voice Pickup Technology, Quick Attention function, CCAW coil, Smart Listening Technology, Personal Noise Cancelling Optimiser, Atmospheric Pressure Optimising | - |
| MICROPHONE | Sony WH-1000XM4 | Poly Savi 8240-M D2 |
|---|
| Form Factor | Built-in | - | |
|---|---|---|---|
| Microphones Included | 5 | - |
| REMOTE CONTROL | Sony WH-1000XM4 | Poly Savi 8240-M D2 |
|---|
| Controls | Volume control, ANC on/off | - |
|---|
| CABLE | Sony WH-1000XM4 | Poly Savi 8240-M D2 |
|---|
| Cable Type | USB-C charge cable - detachable Audio cable - OFC - L shaped / mini-phone stereo 3.5 mm - 1.2 m |
- | |
|---|---|---|---|
| Detachable Cable | Yes | - |
| FEATURES | Sony WH-1000XM4 | Poly Savi 8240-M D2 |
|---|
| Features | Touch control | - | |
|---|---|---|---|
| Internet of Things (IoT) Compatible | Yes | - | |
| Intelligent Assistant | Google Assistant, Alexa | - | |
| Sensors | Proximity sensor, touch sensor | - | |
| Additional Functions | Touch panel | - |
| BATTERY AND CHARGING | Sony WH-1000XM4 | Poly Savi 8240-M D2 |
|---|
| Battery Type | Headphone battery rechargeable | - | |
|---|---|---|---|
| Battery Life | 38 hour(s) | - | |
| Battery Life Details | Continuous playback (active noise-cancelling on): up to 30 hours Continuous playback (active noise-cancelling off): up to 38 hours |
- | |
| Standby Time | 200 hours | - | |
| Charging Time | 3 hour(s) | - | |
| Included Qty | 1 | - |
| CONNECTIONS | Sony WH-1000XM4 | Poly Savi 8240-M D2 |
|---|
| Connector Type | USB (power only) Bluetooth Headphones (mini-phone stereo 3.5 mm) |
- |
|---|
| OTHERS | Sony WH-1000XM4 | Poly Savi 8240-M D2 |
|---|
| Included Accessories | Carrying case, in-flight plug adapter, headphones cable (1.2 m), USB-C cable (0.2m) | - | |
|---|---|---|---|
| Service & Support | Limited warranty - parts - 1 year Limited warranty - labour - 90 days |
- |
cs
sk
de
it
es
fr
hu
pt
ru
pl
br
ro
