Side by side comparison and review of Poly Blackwire 325 and Huawei FreeBuds Studio. 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 | Huawei FreeBuds Studio |
|---|
| Product Type | Headset - wired - USB, 3.5 mm jack | Headphones - Bluetooth - wireless | |
|---|---|---|---|
| Series | 300 Series | - | |
| Height | - | 19.4 cm | |
| Width | - | 15.2 cm | |
| Depth | - | 8.15 cm | |
| Weight | - | 260 g | |
| Colour | - | Black | Gold | |
| Headband Material | Metal | - | |
| Recommended Use | - | Portable electronics | |
| High-Resolution Audio | - | Yes |
| SOUND QUALITY | Poly Blackwire 325 | Huawei FreeBuds Studio |
|---|
| Headphones Form Factor | On-ear | Full size | |
|---|---|---|---|
| Headphones Technology | - | Dynamic | |
| Connectivity Technology | Wired | Wireless | |
| Wireless Technology | - | Bluetooth | |
| Bluetooth Version | - | Bluetooth 5.2 | |
| Bluetooth Audio Codec | - | L2HC | |
| Active Noise Cancelling | - | Yes | Huawei FreeBuds Studio are equipped with active noice cancellation. |
| Sound Output Mode | Stereo | Stereo | |
| Frequency Response | 20 - 20000 Hz | 4 - 48000 Hz | Huawei FreeBuds Studio offer a larger frequency range than Poly Blackwire 325. |
| Diaphragm | - | 40 mm | |
| Simultaneously Connectable Devices Qty (Multipoint) | - | 2 | Huawei FreeBuds Studio have the ability to connect to multiple devices simultaneously. |
| Features | SoundGuard Technology | Tee Audio Tube (TAT) | |
| In-Cord Volume Control | Yes | - |
| MICROPHONE | Poly Blackwire 325 | Huawei FreeBuds Studio |
|---|
| Form Factor | - | Built-in | |
|---|---|---|---|
| Type | Boom | - | |
| Microphone Operation Mode | - | Omni-directional | |
| Frequency Response | 100 - 10000 Hz | - |
| REMOTE CONTROL | Poly Blackwire 325 | Huawei FreeBuds Studio |
|---|
| Controls | Mute, volume, answer/end | Volume, answer/end, play/pause, next/previous track, reject call, voice assistant |
|---|
| CABLE | Poly Blackwire 325 | Huawei FreeBuds Studio |
|---|
| Cable Type | Headset cable - 2.13 m | USB-C charge cable | |
|---|---|---|---|
| Cable Length | 2.13 m | - |
| FEATURES | Poly Blackwire 325 | Huawei FreeBuds Studio |
|---|
| Features | - | Touch control, wear detection | |
|---|---|---|---|
| Sensors | - | Touch sensor, IMU sensor, capacitance sensor, microphone sensor | |
| Additional Functions | DSP | Hear-through mode, awareness mode, voice mode, general mode, cozy mode, ultra mode, gaming mode, pop-up pairing |
| BATTERY AND CHARGING | Poly Blackwire 325 | Huawei FreeBuds Studio |
|---|
| Battery Type | - | Headphone battery rechargeable | |
|---|---|---|---|
| Battery Capacity | - | 410 mAh | |
| Battery Life | - | 24 hour(s) | |
| Battery Life Details | - | Continuous playback (noise cancelling OFF): up to 24 hours Continuous playback (noise cancelling ON): up to 20 hours |
|
| Charging Time | - | 1 hour(s) |
| CONNECTIONS | Poly Blackwire 325 | Huawei FreeBuds Studio |
|---|
| Connector Type | USB (4 PIN USB Type A) Headphones (mini-phone 3.5 mm 4-pole) |
USB (power only) (24 pin USB-C) |
|---|
| OTHERS | Poly Blackwire 325 | Huawei FreeBuds Studio |
|---|
| Included Accessories | - | Carrying case, USB-C charging cable | |
|---|---|---|---|
| Service & Support | Limited warranty - 2 years | - |
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