In depth comparison and review of Sony WH-1000XM4 and Poly Blackwire 8225. 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 | Sony WH-1000XM4 | Poly Blackwire 8225 |
|---|
| Product Type | Headphones - Bluetooth - wireless, wired - NFC - 3.5 mm jack | Headset - wired - USB-C | |
|---|---|---|---|
| Height | 25.2 cm | - | |
| Width | 7.7 cm | - | |
| Length | 18.5 cm | - | |
| Weight | 520 g | 186 g | Poly Blackwire 8225 are lighter than Sony WH-1000XM4 headphones. |
| 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 Blackwire 8225 |
|---|
| Headphones Form Factor | Full size | On-ear | |
|---|---|---|---|
| Headphones Technology | Dynamic | - | |
| Ear Cups Type | Closed | - | |
| Adjustable Headband | - | Yes | |
| Foldable | Yes | - | Sony WH-1000XM4 can be folded. |
| Connectivity Technology | Wireless, wired | 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 | Yes | Both headphones are equipped with active noice cancellation. |
| Active Noise Cancelling Technology | Ambient Sound Mode / Dual Noise Sensor | Hybrid ANC | |
| Sound Effects | Digital Sound Enhancement Engine Extreme (DSEE Extreme), Adaptive Sound Control, 360 Reality Audio | - | |
| Frequency Response | - | 20 - 20000 Hz | |
| Sensitivity | - | 84 dB | |
| Impedance | - | 32 Ohm | |
| Diaphragm | Aluminium coated LCP - 40 mm | 32 mm | Sony WH-1000XM4 have a thicker diaphragm than Poly Blackwire 8225. |
| 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 | SoundGuard DIGITAL Technology |
| MICROPHONE | Sony WH-1000XM4 | Poly Blackwire 8225 |
|---|
| Form Factor | Built-in | - | |
|---|---|---|---|
| Type | - | Boom | |
| Noise Cancelling | - | Yes | Poly Blackwire 8225 microphone can cancel out ambient noise. |
| Frequency Response | - | 100 - 10000 Hz | |
| Sensitivity | - | -35 dBV/Pascal | |
| Microphones Included | 5 | - |
| REMOTE CONTROL | Sony WH-1000XM4 | Poly Blackwire 8225 |
|---|
| Controls | Volume control, ANC on/off | Mute, volume, answer/end |
|---|
| CABLE | Sony WH-1000XM4 | Poly Blackwire 8225 |
|---|
| Cable Type | USB-C charge cable - detachable Audio cable - OFC - L shaped / mini-phone stereo 3.5 mm - 1.2 m |
Headset cable - 2.2 m | |
|---|---|---|---|
| Cable Length | - | 2.2 m | |
| Detachable Cable | Yes | - |
| FEATURES | Sony WH-1000XM4 | Poly Blackwire 8225 |
|---|
| 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 Blackwire 8225 |
|---|
| 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 Blackwire 8225 |
|---|
| Connector Type | USB (power only) Bluetooth Headphones (mini-phone stereo 3.5 mm) |
Headset (USB Type-C) |
|---|
| OTHERS | Sony WH-1000XM4 | Poly Blackwire 8225 |
|---|
| Included Accessories | Carrying case, in-flight plug adapter, headphones cable (1.2 m), USB-C cable (0.2m) | - | |
|---|---|---|---|
| Software Certification | - | Zoom Certified | |
| Service & Support | Limited warranty - parts - 1 year Limited warranty - labour - 90 days |
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