In depth comparison and review of Poly Blackwire 325 and Soundcore Life Tune. 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 325 | Soundcore Life Tune |
|---|
| Product Type | Headset - wired - USB, 3.5 mm jack | Headphones - Bluetooth - wireless, wired - NFC - 3.5 mm jack | |
|---|---|---|---|
| Series | 300 Series | - | |
| Height | - | 19.5 cm | |
| Width | - | 18 cm | |
| Depth | - | 7.8 cm | |
| Weight | - | 260 g | |
| Colour | - | Dark grey | |
| Earpad Material | - | Memory foam | |
| Headband Material | Metal | - | |
| Recommended Use | - | Portable electronics | |
| Bluetooth Range (Operating Distance) | - | 15 m | |
| High-Resolution Audio | - | Yes |
| SOUND QUALITY | Poly Blackwire 325 | Soundcore Life Tune |
|---|
| Headphones Form Factor | On-ear | Full size | |
|---|---|---|---|
| Connectivity Technology | Wired | Wireless, wired | |
| Wireless Technology | - | Bluetooth | |
| Bluetooth Version | - | Bluetooth 5.0 | |
| Bluetooth Profiles | - | Hands-Free Profile (HFP), Headset Profile (HSP), Advanced Audio Distribution Profile (A2DP), Audio/Video Remote Control Profile (AVRCP) | |
| Bluetooth Audio Codec | - | SBC, AAC | |
| Active Noise Cancelling | - | Yes | Soundcore Life Tune are equipped with active noice cancellation. |
| Active Noise Cancelling Technology | - | Hybrid ANC | |
| Sound Output Mode | Stereo | Stereo | |
| Frequency Response | 20 - 20000 Hz | 16 - 40000 Hz | Soundcore Life Tune offer a larger frequency range than Poly Blackwire 325. |
| Impedance | - | 16 Ohm | |
| Diaphragm | - | 40 mm | |
| Features | SoundGuard Technology | - | |
| In-Cord Volume Control | Yes | - |
| MICROPHONE | Poly Blackwire 325 | Soundcore Life Tune |
|---|
| Form Factor | - | Built-in | |
|---|---|---|---|
| Type | Boom | - | |
| Noise Cancelling | - | Yes | Soundcore Life Tune microphone can cancel out ambient noise. |
| Frequency Response | 100 - 10000 Hz | - | |
| Microphones Included | - | 2 |
| REMOTE CONTROL | Poly Blackwire 325 | Soundcore Life Tune |
|---|
| Controls | Mute, volume, answer/end | Volume, power on/off, answer/end, play/pause, next/previous track, voice assistant, ANC on/off |
|---|
| CABLE | Poly Blackwire 325 | Soundcore Life Tune |
|---|
| Cable Type | Headset cable - 2.13 m | Headphones cable - detachable USB-C charge cable - detachable |
|
|---|---|---|---|
| Cable Length | 2.13 m | - |
| FEATURES | Poly Blackwire 325 | Soundcore Life Tune |
|---|
| Features | - | Fast charge | |
|---|---|---|---|
| Internet of Things (IoT) Compatible | - | Yes | |
| Intelligent Assistant | - | Siri | |
| Additional Functions | DSP | - |
| BATTERY AND CHARGING | Poly Blackwire 325 | Soundcore Life Tune |
|---|
| Battery Type | - | Headphone battery rechargeable - lithium polymer | |
|---|---|---|---|
| Battery Capacity | - | 720 mAh | |
| Battery Life | - | 60 hour(s) | |
| Battery Life Details | - | Continuous playback (noise cancelling ON): up to 60 hours Continuous playback (noise cancelling OFF): up to 40 hours |
|
| Charging Time | - | 2 hour(s) |
| CONNECTIONS | Poly Blackwire 325 | Soundcore Life Tune |
|---|
| Connector Type | USB (4 PIN USB Type A) Headphones (mini-phone 3.5 mm 4-pole) |
Headphones (mini-phone stereo 3.5 mm) |
|---|
| OTHERS | Poly Blackwire 325 | Soundcore Life Tune |
|---|
| Included Accessories | - | USB-C charging cable, travel case | |
|---|---|---|---|
| Service & Support | Limited warranty - 2 years | Limited warranty - 18 months |
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