In depth comparison and review of Belkin SoundForm Inspire and Poly Blackwire 3320-M. 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 | Belkin SoundForm Inspire | Poly Blackwire 3320-M |
|---|
| Product Type | Headphones - Bluetooth - wireless, wired - 3.5 mm jack | Headset - wired - USB-C | |
|---|---|---|---|
| Series | - | Blackwire 3300 series | |
| Height | 18.5 cm | 17.8 cm | |
| Width | 16.8 cm | 15.5 cm | |
| Depth | 7.4 cm | 3.2 cm | |
| Weight | 180.5 g | 130 g | Poly Blackwire 3320-M are lighter than Belkin SoundForm Inspire headphones. |
| Colour | Lavander | Black | Black | |
| Body Material | 72% post-consumer recycled plastic | - | |
| Earpad Material | Polyurethane leather | Foam | |
| Design | Kids | - | |
| Recommended Use | Portable electronics | Portable electronics, computer | |
| Bluetooth Range (Operating Distance) | 10 m | - |
| SOUND QUALITY | Belkin SoundForm Inspire | Poly Blackwire 3320-M |
|---|
| Headphones Form Factor | Full size | On-ear | |
|---|---|---|---|
| Adjustable Headband | Yes | Yes | |
| Foldable | Yes | - | Belkin SoundForm Inspire can be folded. |
| Connectivity Technology | Wireless, wired | Wired | |
| Wireless Technology | Bluetooth | - | |
| Bluetooth Version | Bluetooth 5.2 | - | |
| Active Noise Cancelling | - | Yes | Poly Blackwire 3320-M are equipped with active noice cancellation. |
| Active Noise Cancelling Technology | - | SoundGuard | |
| Volume Limiting Function | Yes | - | |
| Sound Output Mode | Stereo | Stereo | |
| Sound Effects | Signature Sound | - | |
| Frequency Response | 20 - 20000 Hz | 20 - 20000 Hz | Both headphones offer the same frequency response. |
| Sensitivity | - | 116 dB | |
| Impedance | - | 32 Ohm | |
| Max Sound Pressure | 85 dB | 118 dB | |
| Diaphragm | 40 mm | 32 mm | Belkin SoundForm Inspire have a thicker diaphragm than Poly Blackwire 3320-M. |
| Features | - | Dynamic EQ optimised | |
| In-Cord Volume Control | - | Yes |
| MICROPHONE | Belkin SoundForm Inspire | Poly Blackwire 3320-M |
|---|
| Type | Boom | Boom | |
|---|---|---|---|
| Frequency Response | - | 100 - 10000 Hz | |
| Sensitivity | - | -38 dB |
| REMOTE CONTROL | Belkin SoundForm Inspire | Poly Blackwire 3320-M |
|---|
| Controls | Mute, volume | Mute, volume, answer/end |
|---|
| CABLE | Belkin SoundForm Inspire | Poly Blackwire 3320-M |
|---|
| Cable Type | USB-C cable - detachable Audio cable - detachable |
- |
|---|
| FEATURES | Belkin SoundForm Inspire | Poly Blackwire 3320-M |
|---|
| Features | Mute LED indicator, fast charge, RockStar mode | - |
|---|
| BATTERY AND CHARGING | Belkin SoundForm Inspire | Poly Blackwire 3320-M |
|---|
| Battery Type | Headphone battery rechargeable | - | |
|---|---|---|---|
| Battery Life | 35 hour(s) | - | |
| Battery Life Details | Continuous playback: up to 35 hours | - |
| CONNECTIONS | Belkin SoundForm Inspire | Poly Blackwire 3320-M |
|---|
| Connector Type | Headphones (mini-phone stereo 3.5 mm) | USB (24 pin USB-C) |
|---|
| OTHERS | Belkin SoundForm Inspire | Poly Blackwire 3320-M |
|---|
| Included Accessories | USB-C cable, 3.5 mm audio cable | - | |
|---|---|---|---|
| Compatibility | iPhone, iPad, Android phone, Mac, Windows, Android tablet | Mac, Windows | |
| Software Certification | - | Certified for Microsoft Teams | |
| Supported Host Device OS | - | Windows 10, macOS | |
| Service & Support | Limited warranty - 2 years | - |
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