In depth comparison and review of Poly Blackwire 3320-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 3320-M | Belkin SoundForm Adapt |
|---|
| Product Type | Headset - wired - USB-C | Headphones - Bluetooth - wireless, wired - 3.5 mm jack, USB-C | |
|---|---|---|---|
| Series | Blackwire 3300 series | - | |
| Height | 17.8 cm | - | |
| Width | 15.5 cm | - | |
| Depth | 3.2 cm | - | |
| Weight | 130 g | - | |
| Colour | Black | Black | |
| Body Material | - | Recycled plastic | |
| Earpad Material | Foam | Foam | |
| Recommended Use | Portable electronics, computer | Portable electronics | |
| Bluetooth Range (Operating Distance) | - | 10 m |
| SOUND QUALITY | Poly Blackwire 3320-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 3320-M are equipped with active noice cancellation. |
| Active Noise Cancelling Technology | SoundGuard | - | |
| Sound Output Mode | Stereo | Stereo | |
| Frequency Response | 20 - 20000 Hz | - | |
| Sensitivity | 116 dB | - | |
| Impedance | 32 Ohm | - | |
| Max Sound Pressure | 118 dB | 98 dB | |
| Diaphragm | 32 mm | 40 mm | Belkin SoundForm Adapt have a thicker diaphragm than Poly Blackwire 3320-M. |
| Simultaneously Connectable Devices Qty (Multipoint) | - | 2 | Belkin SoundForm Adapt have the ability to connect to multiple devices simultaneously. |
| Features | Dynamic EQ optimised | - | |
| In-Cord Volume Control | Yes | - |
| MICROPHONE | Poly Blackwire 3320-M | Belkin SoundForm Adapt |
|---|
| Type | Boom | Boom | |
|---|---|---|---|
| Noise Cancelling | - | Yes | Belkin SoundForm Adapt microphone can cancel out ambient noise. |
| Noise Cancelling Technology | - | Environmental Noise Cancellation (ENC) | |
| Frequency Response | 100 - 10000 Hz | - | |
| Sensitivity | -38 dB | - |
| REMOTE CONTROL | Poly Blackwire 3320-M | Belkin SoundForm Adapt |
|---|
| Controls | Mute, volume, answer/end | Volume, power on/off, pair mode, flip-to-mute |
|---|
| CABLE | Poly Blackwire 3320-M | Belkin SoundForm Adapt |
|---|
| Cable Type | - | USB-C to USB-C cable - detachable - 1 m Audio cable - detachable - 1.2 m |
|---|
| FEATURES | Poly Blackwire 3320-M | Belkin SoundForm Adapt |
|---|
| Features | - | Touch control, fast charge, Multipoint Pairing |
|---|
| BATTERY AND CHARGING | Poly Blackwire 3320-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 3320-M | Belkin SoundForm Adapt |
|---|
| Connector Type | USB (24 pin USB-C) | Headphones (mini-phone stereo 3.5 mm) Headphones (USB Type-C) |
|---|
| OTHERS | Poly Blackwire 3320-M | Belkin SoundForm Adapt |
|---|
| Included Accessories | - | 3.5 mm audio cable, USB-C to USB-C cable | |
|---|---|---|---|
| Compatibility | Mac, Windows | - | |
| Software Certification | Certified for Microsoft Teams | - | |
| Supported Host Device OS | Windows 10, macOS | - | |
| Compliant Standards | - | RoHS, USB-IF, REACH | |
| Service & Support | - | Limited warranty - 2 years |
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