In depth comparison and review of Poly Blackwire 8225-M and Belkin SoundForm Inspire. 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 Inspire |
|---|
| Product Type | Headset - wired - USB-A | Headphones - Bluetooth - wireless, wired - 3.5 mm jack | |
|---|---|---|---|
| Height | - | 18.5 cm | |
| Width | - | 16.8 cm | |
| Depth | - | 7.4 cm | |
| Weight | 186 g | 180.5 g | Belkin SoundForm Inspire are lighter than Poly Blackwire 8225-M headphones. |
| Colour | - | Lavander | Black | |
| Body Material | - | 72% post-consumer recycled plastic | |
| Earpad Material | - | Polyurethane leather | |
| Design | - | Kids | |
| Recommended Use | - | Portable electronics | |
| Bluetooth Range (Operating Distance) | - | 10 m |
| SOUND QUALITY | Poly Blackwire 8225-M | Belkin SoundForm Inspire |
|---|
| Headphones Form Factor | On-ear | Full size | |
|---|---|---|---|
| Adjustable Headband | Yes | Yes | |
| Foldable | - | Yes | Belkin SoundForm Inspire 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 | - | |
| Volume Limiting Function | - | Yes | |
| Sound Output Mode | - | Stereo | |
| Sound Effects | - | Signature Sound | |
| Frequency Response | 20 - 20000 Hz | 20 - 20000 Hz | Both headphones offer the same frequency response. |
| Sensitivity | 84 dB | - | |
| Impedance | 32 Ohm | - | |
| Max Sound Pressure | - | 85 dB | |
| Diaphragm | 32 mm | 40 mm | Belkin SoundForm Inspire have a thicker diaphragm than Poly Blackwire 8225-M. |
| Features | SoundGuard DIGITAL Technology | - |
| MICROPHONE | Poly Blackwire 8225-M | Belkin SoundForm Inspire |
|---|
| Type | Boom | Boom | |
|---|---|---|---|
| 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 | Belkin SoundForm Inspire |
|---|
| Controls | Mute, volume, answer/end, Microsoft Teams button | Mute, volume |
|---|
| CABLE | Poly Blackwire 8225-M | Belkin SoundForm Inspire |
|---|
| Cable Type | Headset cable - 2.2 m | USB-C cable - detachable Audio cable - detachable |
|
|---|---|---|---|
| Cable Length | 2.2 m | - |
| FEATURES | Poly Blackwire 8225-M | Belkin SoundForm Inspire |
|---|
| Features | - | Mute LED indicator, fast charge, RockStar mode |
|---|
| BATTERY AND CHARGING | Poly Blackwire 8225-M | Belkin SoundForm Inspire |
|---|
| Battery Type | - | Headphone battery rechargeable | |
|---|---|---|---|
| Battery Life | - | 35 hour(s) | |
| Battery Life Details | - | Continuous playback: up to 35 hours |
| CONNECTIONS | Poly Blackwire 8225-M | Belkin SoundForm Inspire |
|---|
| Connector Type | Headset (4 PIN USB Type A) | Headphones (mini-phone stereo 3.5 mm) |
|---|
| OTHERS | Poly Blackwire 8225-M | Belkin SoundForm Inspire |
|---|
| Included Accessories | - | USB-C cable, 3.5 mm audio cable | |
|---|---|---|---|
| Compatibility | - | iPhone, iPad, Android phone, Mac, Windows, Android tablet | |
| Service & Support | - | Limited warranty - 2 years |
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