In depth comparison and review of Poly Blackwire 3325 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 3325 | Belkin SoundForm Adapt |
|---|
| Product Type | Headset - wired - USB, 3.5 mm jack | Headphones - Bluetooth - wireless, wired - 3.5 mm jack, USB-C | |
|---|---|---|---|
| Series | 3300 Series | - | |
| Height | 18.6 cm | - | |
| Width | 21.6 cm | - | |
| Depth | 5.6 cm | - | |
| Weight | 130 g | - | |
| Colour | - | Black | |
| Body Material | - | Recycled plastic | |
| Earpad Material | Leatherette | Foam | |
| Protection | Hearing protection | - | |
| Recommended Use | - | Portable electronics | |
| Bluetooth Range (Operating Distance) | - | 10 m |
| SOUND QUALITY | Poly Blackwire 3325 | 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 | |
| Sound Output Mode | Stereo | Stereo | |
| Frequency Response | 20 - 20000 Hz | - | |
| Sensitivity | 94 dB | - | |
| Impedance | 32 Ohm | - | |
| Max Sound Pressure | - | 98 dB | |
| Diaphragm | 32 mm | 40 mm | Belkin SoundForm Adapt have a thicker diaphragm than Poly Blackwire 3325. |
| Simultaneously Connectable Devices Qty (Multipoint) | - | 2 | Belkin SoundForm Adapt have the ability to connect to multiple devices simultaneously. |
| Features | SoundGuard Technology | - | |
| In-Cord Volume Control | Yes | - |
| MICROPHONE | Poly Blackwire 3325 | 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 | -38 dB | - |
| REMOTE CONTROL | Poly Blackwire 3325 | Belkin SoundForm Adapt |
|---|
| Controls | Mute, volume, answer/end | Volume, power on/off, pair mode, flip-to-mute |
|---|
| CABLE | Poly Blackwire 3325 | Belkin SoundForm Adapt |
|---|
| Cable Type | Headset cable | USB-C to USB-C cable - detachable - 1 m Audio cable - detachable - 1.2 m |
|---|
| FEATURES | Poly Blackwire 3325 | Belkin SoundForm Adapt |
|---|
| Features | - | Touch control, fast charge, Multipoint Pairing |
|---|
| BATTERY AND CHARGING | Poly Blackwire 3325 | 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 3325 | Belkin SoundForm Adapt |
|---|
| Connector Type | USB (4 PIN USB Type A) Headset (mini-phone 3.5mm) |
Headphones (mini-phone stereo 3.5 mm) Headphones (USB Type-C) |
|---|
| OTHERS | Poly Blackwire 3325 | Belkin SoundForm Adapt |
|---|
| Included Accessories | Carrying pouch | 3.5 mm audio cable, USB-C to USB-C cable | |
|---|---|---|---|
| Software Certification | Certified for Microsoft Teams | - | |
| Compliant Standards | - | RoHS, USB-IF, REACH | |
| Service & Support | Limited warranty - 2 years | Limited warranty - 2 years |
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