In depth comparison and review of Poly Blackwire 8225-M and Belkin SoundForm Adapt. 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 | Poly Blackwire 8225-M | Belkin SoundForm Adapt |
|---|
| Product Type | Headset - wired - USB-A | Headphones - Bluetooth - wireless, wired - 3.5 mm jack, USB-C | |
|---|---|---|---|
| Weight | 186 g | - | |
| Colour | - | Black | |
| Body Material | - | Recycled plastic | |
| Earpad Material | - | Foam | |
| Recommended Use | - | Portable electronics | |
| Bluetooth Range (Operating Distance) | - | 10 m |
| SOUND QUALITY | Poly Blackwire 8225-M | Belkin SoundForm Adapt |
|---|
| Headphones Form Factor | On-ear | Full size | |
|---|---|---|---|
| Adjustable Headband | Yes | Yes | |
| Foldable | - | Yes | Belkin SoundForm Adapt can be folded. |
| Connectivity Technology | Wired | Wireless, wired | |
| Wireless Technology | - | Bluetooth | |
| Bluetooth Version | - | Bluetooth 5.2 | |
| Active Noise Cancelling | Yes | - | Poly Blackwire 8225-M are equipped with active noice cancellation. |
| Active Noise Cancelling Technology | Hybrid ANC | - | |
| Sound Output Mode | - | Stereo | |
| Frequency Response | 20 - 20000 Hz | - | |
| Sensitivity | 84 dB | - | |
| Impedance | 32 Ohm | - | |
| Max Sound Pressure | - | 98 dB | |
| Diaphragm | 32 mm | 40 mm | Belkin SoundForm Adapt have a thicker diaphragm than Poly Blackwire 8225-M. |
| Simultaneously Connectable Devices Qty (Multipoint) | - | 2 | Belkin SoundForm Adapt have the ability to connect to multiple devices simultaneously. |
| Features | SoundGuard DIGITAL Technology | - |
| MICROPHONE | Poly Blackwire 8225-M | Belkin SoundForm Adapt |
|---|
| Type | Boom | Boom | |
|---|---|---|---|
| Noise Cancelling | Yes | Yes | The microphones on both headphones can cancel out ambient noise. |
| Noise Cancelling Technology | - | Environmental Noise Cancellation (ENC) | |
| Frequency Response | 100 - 10000 Hz | - | |
| Sensitivity | -35 dBV/Pascal | - |
| REMOTE CONTROL | Poly Blackwire 8225-M | Belkin SoundForm Adapt |
|---|
| Controls | Mute, volume, answer/end, Microsoft Teams button | Volume, power on/off, pair mode, flip-to-mute |
|---|
| CABLE | Poly Blackwire 8225-M | Belkin SoundForm Adapt |
|---|
| Cable Type | Headset cable - 2.2 m | USB-C to USB-C cable - detachable - 1 m Audio cable - detachable - 1.2 m |
|
|---|---|---|---|
| Cable Length | 2.2 m | - |
| FEATURES | Poly Blackwire 8225-M | Belkin SoundForm Adapt |
|---|
| Features | - | Touch control, fast charge, Multipoint Pairing |
|---|
| BATTERY AND CHARGING | Poly Blackwire 8225-M | Belkin SoundForm Adapt |
|---|
| Battery Type | - | Headphone battery rechargeable | |
|---|---|---|---|
| Battery Life | - | 65 hour(s) | |
| Battery Life Details | - | Continuous playback: up to 65 hours | |
| Charging Time | - | 2 hour(s) |
| CONNECTIONS | Poly Blackwire 8225-M | Belkin SoundForm Adapt |
|---|
| Connector Type | Headset (4 PIN USB Type A) | Headphones (mini-phone stereo 3.5 mm) Headphones (USB Type-C) |
|---|
| OTHERS | Poly Blackwire 8225-M | Belkin SoundForm Adapt |
|---|
| Included Accessories | - | 3.5 mm audio cable, USB-C to USB-C cable | |
|---|---|---|---|
| Compliant Standards | - | RoHS, USB-IF, REACH | |
| Service & Support | - | Limited warranty - 2 years |
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