Side by side comparison and review of Poly Blackwire 325 and EPOS H3PRO Hybrid. 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 | EPOS H3PRO Hybrid |
|---|
| Product Type | Headset - wired - USB, 3.5 mm jack | Headset - Bluetooth - wireless, wired - 3.5 mm jack, USB-A | |
|---|---|---|---|
| Series | 300 Series | - | |
| Height | - | 17.6 cm | |
| Width | - | 18.3 cm | |
| Depth | - | 9 cm | |
| Weight | - | 308 g | |
| Colour | - | White | Sebring black | Green | |
| Headband Material | Metal | - | |
| Design | - | Games | |
| Recommended Use | - | Game console, portable electronics, computer | |
| Bluetooth Range (Operating Distance) | - | 20 m |
| SOUND QUALITY | Poly Blackwire 325 | EPOS H3PRO Hybrid |
|---|
| Headphones Form Factor | On-ear | Full size | |
|---|---|---|---|
| Headphones Technology | - | Dynamic | |
| Ear Cups Type | - | Closed | |
| Adjustable Headband | - | Yes | |
| Connectivity Technology | Wired | Wireless, wired | |
| Wireless Technology | - | Bluetooth | |
| Bluetooth Version | - | Bluetooth 5.2 | |
| Active Noise Cancelling | - | Yes | EPOS H3PRO Hybrid are equipped with active noice cancellation. |
| Sound Output Mode | Stereo | Stereo | |
| Sound Effects | - | 7.1 Channel Virtual Surround Sound | |
| Frequency Response | 20 - 20000 Hz | 20 - 20000 Hz | Both headphones offer the same frequency response. |
| Total Harmonic Distortion (THD) | - | 0.35% | |
| Sensitivity | - | 116 dB | |
| Diaphragm | - | 40 mm | |
| Features | SoundGuard Technology | - | |
| In-Cord Volume Control | Yes | - |
| MICROPHONE | Poly Blackwire 325 | EPOS H3PRO Hybrid |
|---|
| Form Factor | - | Built-in & removable boom | |
|---|---|---|---|
| Type | Boom | - | |
| Microphone Operation Mode | - | Bi-directional | |
| Frequency Response | 100 - 10000 Hz | 100 - 7500 Hz | Poly Blackwire 325 offer a larger microphone frequency range than EPOS H3PRO Hybrid. |
| Sensitivity | - | -20 dBFS/Pa |
| REMOTE CONTROL | Poly Blackwire 325 | EPOS H3PRO Hybrid |
|---|
| Controls | Mute, volume, answer/end | Volume control, ANC on/off |
|---|
| CABLE | Poly Blackwire 325 | EPOS H3PRO Hybrid |
|---|
| Cable Type | Headset cable - 2.13 m | Headset cable - detachable - L shaped - 1.5 m USB-C to USB-A cable - detachable - 2 m USB extension cable - detachable |
|
|---|---|---|---|
| Cable Length | 2.13 m | - | |
| Detachable Cable | - | Yes |
| FEATURES | Poly Blackwire 325 | EPOS H3PRO Hybrid |
|---|
| Additional Functions | DSP | - |
|---|
| BATTERY AND CHARGING | Poly Blackwire 325 | EPOS H3PRO Hybrid |
|---|
| Battery Type | - | Headset battery rechargeable | |
|---|---|---|---|
| Battery Life | - | 38 hour(s) | |
| Battery Life Details | - | Continuous playback (noise cancelling ON / Bluetooth): up to 22 hours Continuous playback (noise cancelling OFF / Bluetooth): up to 38 hours Continuous playback (noise cancelling ON / cable connection): up to 18.5 hours Continuous playback (noise cancelling OFF / cable connection): up to 29 hours Continuous playback (noise cancelling ON / Bluetooth / low-latency dongle): up to 19 hours Continuous playback (noise canceling OFF / Bluetooth / low-latency dongle): up to 28 hours Continuous playback (noise cancelling ON / low-latency dongle): up to 19 hours Continuous playback (noise cancelling OFF / low-latency dongle): up to 30 hours Continuous playback (noise cancelling OFF / Bluetooth / console cable): up to 19 hours Continuous playback (noise cancelling ON / Bluetooth / console cable): up to 27 hours |
|
| Charging Time | - | 2 hour(s) |
| CONNECTIONS | Poly Blackwire 325 | EPOS H3PRO Hybrid |
|---|
| Connector Type | USB (4 PIN USB Type A) Headphones (mini-phone 3.5 mm 4-pole) |
USB (USB Type-A) Headset (mini-phone stereo 3.5 mm 4-pole) |
|---|
| OTHERS | Poly Blackwire 325 | EPOS H3PRO Hybrid |
|---|
| Included Accessories | - | USB dongle, USB extension cable, headset cable, USB-C to USB-A cable, cover plate | |
|---|---|---|---|
| Service & Support | Limited warranty - 2 years | Limited warranty - 2 years |
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