Detailed comparison and review of Sony WH-CH700N and Poly Blackwire 8225-M. 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-CH700N | Poly Blackwire 8225-M |
|---|
| Product Type | Headphones - Bluetooth - wireless - NFC - 3.5 mm jack | Headset - wired - USB-A | |
|---|---|---|---|
| Weight | 240 g | 186 g | Poly Blackwire 8225-M are lighter than Sony WH-CH700N headphones. |
| Colour | Black | Grey | Blue | - | |
| Recommended Use | Portable electronics | - | |
| Bluetooth Range (Operating Distance) | 10 m | - |
| SOUND QUALITY | Sony WH-CH700N | Poly Blackwire 8225-M |
|---|
| Headphones Form Factor | Full size | On-ear | |
|---|---|---|---|
| Headphones Technology | Dynamic | - | |
| Ear Cups Type | Closed | - | |
| Adjustable Headband | Yes | Yes | |
| Connectivity Technology | Wireless | Wired | |
| Wireless Technology | Bluetooth | - | |
| Bluetooth Version | Bluetooth 4.1 | - | |
| Bluetooth Profiles | Hands-Free Profile (HFP), Headset Profile (HSP), Advanced Audio Distribution Profile (A2DP), Audio/Video Remote Control Profile (AVRCP) | - | |
| Bluetooth Audio Codec | SBC, AAC, aptX, aptX HD | - | |
| Active Noise Cancelling | Yes | Yes | Both headphones are equipped with active noice cancellation. |
| Active Noise Cancelling Technology | Artificial Intelligence Noise Cancellation | Hybrid ANC | |
| Sound Output Mode | Stereo | - | |
| Sound Effects | Digital Sound Enhancement Engine (DSEE) | - | |
| Frequency Response | 7 - 20000 Hz | 20 - 20000 Hz | Sony WH-CH700N offer a larger frequency range than Poly Blackwire 8225-M. |
| Sensitivity | 98 dB/mW | 84 dB | Sony WH-CH700N have higher sensitivity than Poly Blackwire 8225-M. |
| Impedance | 22 Ohm | 32 Ohm | |
| Diaphragm | 40 mm | 32 mm | Sony WH-CH700N have a thicker diaphragm than Poly Blackwire 8225-M. |
| Magnet Material | Neodymium | - | |
| Features | - | SoundGuard DIGITAL Technology |
| MICROPHONE | Sony WH-CH700N | Poly Blackwire 8225-M |
|---|
| Form Factor | Built-in | - | |
|---|---|---|---|
| Type | - | Boom | |
| Microphone Technology | Electret condenser | - | |
| Microphone Operation Mode | Omni-directional | - | |
| Noise Cancelling | - | Yes | Poly Blackwire 8225-M microphone can cancel out ambient noise. |
| Frequency Response | 50 - 8000 Hz | 100 - 10000 Hz | Poly Blackwire 8225-M offer a larger microphone frequency range than Sony WH-CH700N. |
| Sensitivity | - | -35 dBV/Pascal |
| REMOTE CONTROL | Sony WH-CH700N | Poly Blackwire 8225-M |
|---|
| Controls | Volume, noise-cancellation suspend button | Mute, volume, answer/end, Microsoft Teams button |
|---|
| CABLE | Sony WH-CH700N | Poly Blackwire 8225-M |
|---|
| Cable Type | Headphones cable - detachable - L shaped - 1.2 m Micro-USB cable - 50 cm |
Headset cable - 2.2 m | |
|---|---|---|---|
| Cable Length | 1.2 m | 2.2 m | |
| Detachable Cable | Yes | - |
| FEATURES | Sony WH-CH700N | Poly Blackwire 8225-M |
|---|
| Voice Control | Indirect | - | |
|---|---|---|---|
| Intelligent Assistant | Google Assistant | - |
| BATTERY AND CHARGING | Sony WH-CH700N | Poly Blackwire 8225-M |
|---|
| Battery Type | Headphone battery rechargeable - Lithium Ion | - | |
|---|---|---|---|
| Battery Life | 35 hour(s) | - | |
| Battery Life Details | Continuous playback (noise cancelling ON / Bluetooth): up to 35 hours Standby (noise cancelling OFF): up to 200 hours |
- | |
| Standby Time | 200 hours | - | |
| Power Provided | 100 mW | - | |
| Voltage Provided | 3.65 V | - | |
| Charging Time | 7 hour(s) | - |
| WIRELESS LINK | Sony WH-CH700N | Poly Blackwire 8225-M |
|---|
| Modulation Type | FHSS | - | |
|---|---|---|---|
| Radio Frequency Range | 2.4 - 2.4835GHz | - |
| CONNECTIONS | Sony WH-CH700N | Poly Blackwire 8225-M |
|---|
| Connector Type | USB (power only) (5 pin Micro-USB Type B) Headphones (mini-phone stereo 3.5 mm 4-pole) |
Headset (4 PIN USB Type A) |
|---|
| OTHERS | Sony WH-CH700N | Poly Blackwire 8225-M |
|---|
| Compatibility | iPhone, iPod, Android phone | - |
|---|
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