Detailed comparison and review of Poly Blackwire 3325 and Sony WH-1000XM4. 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 | Poly Blackwire 3325 | Sony WH-1000XM4 |
|---|
| Product Type | Headset - wired - USB, 3.5 mm jack | Headphones - Bluetooth - wireless, wired - NFC - 3.5 mm jack | |
|---|---|---|---|
| Series | 3300 Series | - | |
| Height | 18.6 cm | 25.2 cm | |
| Width | 21.6 cm | 7.7 cm | |
| Length | - | 18.5 cm | |
| Depth | 5.6 cm | - | |
| Weight | 130 g | 520 g | Poly Blackwire 3325 are lighter than Poly Blackwire 3325 headphones. |
| Colour | - | White | Black | Silver | Midnight blue | |
| Earpad Material | Leatherette | Urethane foam | |
| Protection | Hearing protection | - | |
| Recommended Use | - | Portable electronics | |
| Bluetooth Range (Operating Distance) | - | 10 m | |
| High-Resolution Audio | - | Yes |
| SOUND QUALITY | Poly Blackwire 3325 | Sony WH-1000XM4 |
|---|
| Headphones Form Factor | On-ear | Full size | |
|---|---|---|---|
| Headphones Technology | - | Dynamic | |
| Ear Cups Type | - | Closed | |
| Adjustable Headband | Yes | - | |
| Foldable | - | Yes | Sony WH-1000XM4 can be folded. |
| Connectivity Technology | Wired | 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 Output Mode | Stereo | - | |
| Sound Effects | - | Digital Sound Enhancement Engine Extreme (DSEE Extreme), Adaptive Sound Control, 360 Reality Audio | |
| Frequency Response | 20 - 20000 Hz | - | |
| Sensitivity | 94 dB | - | |
| Impedance | 32 Ohm | - | |
| Diaphragm | 32 mm | Aluminium coated LCP - 40 mm | Sony WH-1000XM4 have a thicker diaphragm than Poly Blackwire 3325. |
| Simultaneously Connectable Devices Qty (Multipoint) | - | 2 | Sony WH-1000XM4 have the ability to connect to multiple devices simultaneously. |
| Magnet Material | - | Neodymium | |
| Features | SoundGuard Technology | 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 | |
| In-Cord Volume Control | Yes | - |
| MICROPHONE | Poly Blackwire 3325 | Sony WH-1000XM4 |
|---|
| Form Factor | - | Built-in | |
|---|---|---|---|
| Type | Boom | - | |
| Noise Cancelling | Yes | - | Poly Blackwire 3325 microphone can cancel out ambient noise. |
| Frequency Response | 100 - 10000 Hz | - | |
| Sensitivity | -38 dB | - | |
| Microphones Included | - | 5 |
| REMOTE CONTROL | Poly Blackwire 3325 | Sony WH-1000XM4 |
|---|
| Controls | Mute, volume, answer/end | Volume control, ANC on/off |
|---|
| CABLE | Poly Blackwire 3325 | Sony WH-1000XM4 |
|---|
| Cable Type | Headset cable | USB-C charge cable - detachable Audio cable - OFC - L shaped / mini-phone stereo 3.5 mm - 1.2 m |
|
|---|---|---|---|
| Detachable Cable | - | Yes |
| FEATURES | Poly Blackwire 3325 | Sony WH-1000XM4 |
|---|
| 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 | Poly Blackwire 3325 | Sony WH-1000XM4 |
|---|
| 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 | Poly Blackwire 3325 | Sony WH-1000XM4 |
|---|
| Connector Type | USB (4 PIN USB Type A) Headset (mini-phone 3.5mm) |
USB (power only) Bluetooth Headphones (mini-phone stereo 3.5 mm) |
|---|
| OTHERS | Poly Blackwire 3325 | Sony WH-1000XM4 |
|---|
| Included Accessories | Carrying pouch | Carrying case, in-flight plug adapter, headphones cable (1.2 m), USB-C cable (0.2m) | |
|---|---|---|---|
| Software Certification | Certified for Microsoft Teams | - | |
| Service & Support | Limited warranty - 2 years | Limited warranty - parts - 1 year Limited warranty - labour - 90 days |
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