Detailed comparison and review of Poly Blackwire 8225-M and Kokoon Relax. 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 8225-M | Kokoon Relax |
|---|
| Product Type | Headset - wired - USB-A | Headphones - Bluetooth - wireless, wired - 3.5 mm jack | |
|---|---|---|---|
| Height | - | 17.9 cm | |
| Width | - | 15.9 cm | |
| Depth | - | 9.4 cm | |
| Weight | 186 g | 350 g | Poly Blackwire 8225-M are lighter than Poly Blackwire 8225-M headphones. |
| Colour | - | Black | |
| Earpad Material | - | Silicone, fibre fabrics |
| SOUND QUALITY | Poly Blackwire 8225-M | Kokoon Relax |
|---|
| Headphones Form Factor | On-ear | Full size | |
|---|---|---|---|
| Adjustable Headband | Yes | - | |
| Connectivity Technology | Wired | Wireless, wired | |
| Wireless Technology | - | Bluetooth | |
| Bluetooth Version | - | Bluetooth 4.0 | |
| Active Noise Cancelling | Yes | Yes | Both headphones are equipped with active noice cancellation. |
| Active Noise Cancelling Technology | Hybrid ANC | - | |
| Noise Isolating | - | Yes | Kokoon Relax are equipped with a noise isolating function. |
| Sound Output Mode | - | Stereo | |
| Frequency Response | 20 - 20000 Hz | - | |
| Sensitivity | 84 dB | - | |
| Impedance | 32 Ohm | 32 Ohm | |
| Diaphragm | 32 mm | 40 mm | Kokoon Relax have a thicker diaphragm than Poly Blackwire 8225-M. |
| Features | SoundGuard DIGITAL Technology | Active White Noise |
| MICROPHONE | Poly Blackwire 8225-M | Kokoon Relax |
|---|
| Type | Boom | On-cable | |
|---|---|---|---|
| Noise Cancelling | Yes | - | Poly Blackwire 8225-M microphone can cancel out ambient noise. |
| Frequency Response | 100 - 10000 Hz | - | |
| Sensitivity | -35 dBV/Pascal | - |
| REMOTE CONTROL | Poly Blackwire 8225-M | Kokoon Relax |
|---|
| Controls | Mute, volume, answer/end, Microsoft Teams button | Power on/off |
|---|
| CABLE | Poly Blackwire 8225-M | Kokoon Relax |
|---|
| Cable Type | Headset cable - 2.2 m | Micro-USB charge cable - detachable Headphones cable - detachable - with remote control and mic |
|
|---|---|---|---|
| Cable Length | 2.2 m | - | |
| Detachable Cable | - | Yes |
| FEATURES | Poly Blackwire 8225-M | Kokoon Relax |
|---|
| Sensors | - | Accelerometer, EEG sensor |
|---|
| BATTERY AND CHARGING | Poly Blackwire 8225-M | Kokoon Relax |
|---|
| Battery Type | - | Headphone battery rechargeable - Lithium Ion | |
|---|---|---|---|
| Battery Capacity | - | 500 mAh | |
| Battery Life | - | 13 hour(s) |
| CONNECTIONS | Poly Blackwire 8225-M | Kokoon Relax |
|---|
| Connector Type | Headset (4 PIN USB Type A) | Headphones (mini-phone stereo 3.5 mm 4-pole) |
|---|
| OTHERS | Poly Blackwire 8225-M | Kokoon Relax |
|---|
| Included Accessories | - | Carrying case, micro-USB charging cable, eye mask | |
|---|---|---|---|
| Service & Support | - | Limited warranty - 2 years |
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