Side by side comparison and review of Poly Blackwire 325 and Bang & Olufsen Beoplay Portal. Compare design, sound quality and other key specifications and features to simplify the choice of your perfect headphones. Our goal is to make it easier for you to decide on the headphones that will best meet your expectations by revealing the main differences between the products.
| DESIGN AND DIMENSIONS | Poly Blackwire 325 | Bang & Olufsen Beoplay Portal |
|---|
| Product Type | Headset - wired - USB, 3.5 mm jack | Headphones - Bluetooth / 2.4 GHz radio frequency - wireless, wired - 3.5 mm jack, USB-C | |
|---|---|---|---|
| Series | 300 Series | - | |
| Height | - | 17.87 cm | |
| Width | - | 16.73 cm | |
| Depth | - | 9.26 cm | |
| Weight | - | 282 g | |
| Colour | - | Navy | Antracite black | Grey mist | |
| Body Material | - | Aluminium, rubber, composite polymer, bamboo fibre cloth | |
| Earpad Material | - | Memory foam, lambskin | |
| Headband Material | Metal | - | |
| Design | - | Games | |
| Recommended Use | - | Game console, portable electronics, computer | |
| Bluetooth Range (Operating Distance) | - | 12 m |
| SOUND QUALITY | Poly Blackwire 325 | Bang & Olufsen Beoplay Portal |
|---|
| Headphones Form Factor | On-ear | Full size | |
|---|---|---|---|
| Headphones Technology | - | Dynamic | |
| Connectivity Technology | Wired | Wireless, wired | |
| Wireless Technology | - | Bluetooth / 2.4 GHz radio frequency | |
| Bluetooth Version | - | Bluetooth 5.1 | |
| Bluetooth Audio Codec | - | SBC, AAC, aptX | |
| Active Noise Cancelling | - | Yes | Bang & Olufsen Beoplay Portal are equipped with active noice cancellation. |
| Active Noise Cancelling Technology | - | Adaptive Noise Cancellation | |
| Sound Output Mode | Stereo | Stereo | |
| Built-in Decoders | - | Dolby Atmos | |
| Frequency Response | 20 - 20000 Hz | 20 - 22000 Hz | Bang & Olufsen Beoplay Portal offer a larger frequency range than Poly Blackwire 325. |
| Sensitivity | - | 95 dB/mW | |
| Impedance | - | 24 Ohm | |
| Diaphragm | - | 40 mm | |
| Magnet Material | - | Neodymium | |
| Features | SoundGuard Technology | Google Fast Pair, Microsoft Swift Pair | |
| In-Cord Volume Control | Yes | - |
| MICROPHONE | Poly Blackwire 325 | Bang & Olufsen Beoplay Portal |
|---|
| Form Factor | - | Built-in | |
|---|---|---|---|
| Type | Boom | - | |
| Frequency Response | 100 - 10000 Hz | - |
| REMOTE CONTROL | Poly Blackwire 325 | Bang & Olufsen Beoplay Portal |
|---|
| Controls | Mute, volume, answer/end | Power on/off, volume control, microphone on/mute, play/pause, ANC/transparency |
|---|
| CABLE | Poly Blackwire 325 | Bang & Olufsen Beoplay Portal |
|---|
| Cable Type | Headset cable - 2.13 m | USB-C to USB-A cable - detachable - 1.25 m Headphones cable - detachable - 1.25 m |
|
|---|---|---|---|
| Cable Length | 2.13 m | 1.25 m |
| FEATURES | Poly Blackwire 325 | Bang & Olufsen Beoplay Portal |
|---|
| Additional Functions | DSP | Transparency mode |
|---|
| BATTERY AND CHARGING | Poly Blackwire 325 | Bang & Olufsen Beoplay Portal |
|---|
| Battery Type | - | Headphone battery rechargeable - Lithium Ion | |
|---|---|---|---|
| Battery Capacity | - | 1200 mAh | |
| Battery Life | - | 24 hour(s) | |
| Battery Life Details | - | Continuous playback (active noise-cancelling on) (2.4 GHz / Bluetooth): up to 12 hours Continuous playback (active noise-cancelling on) (Bluetooth ON): up to 24 hours |
|
| Charging Time | - | 3 hour(s) |
| CONNECTIONS | Poly Blackwire 325 | Bang & Olufsen Beoplay Portal |
|---|
| Connector Type | USB (4 PIN USB Type A) Headphones (mini-phone 3.5 mm 4-pole) |
Headphones (mini-phone 3.5mm) USB (24 pin USB-C) |
|---|
| OTHERS | Poly Blackwire 325 | Bang & Olufsen Beoplay Portal |
|---|
| Included Accessories | - | Inflight adapter | |
|---|---|---|---|
| Compliant Standards | - | MFI | |
| Service & Support | Limited warranty - 2 years | Limited warranty - 3 years |
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