In depth comparison and review of Poly Voyager 4300 UC Series 4320 and EPOS I SENNHEISER ADAPT 561 II. 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 Voyager 4300 UC Series 4320 | EPOS I SENNHEISER ADAPT 561 II |
|---|
| Product Type | Headset - Bluetooth - wireless - USB-A | Headset - Bluetooth - wireless | |
|---|---|---|---|
| Series | - | ADAPT 500 Series | |
| Height | 18.6 cm | - | |
| Width | 21 cm | - | |
| Depth | 5.5 cm | - | |
| Weight | 162 g | 232 g | Poly Voyager 4300 UC Series 4320 are lighter than Poly Voyager 4300 UC Series 4320 headphones. |
| Earpad Material | - | Plush, textured fabric | |
| Recommended Use | Computer | Portable electronics, computer | |
| Bluetooth Range (Operating Distance) | 50 m | 25 m | Poly Voyager 4300 UC Series 4320 have a greater operating distance than EPOS I SENNHEISER ADAPT 561 II. |
| SOUND QUALITY | Poly Voyager 4300 UC Series 4320 | EPOS I SENNHEISER ADAPT 561 II |
|---|
| Headphones Form Factor | On-ear | On-ear | |
|---|---|---|---|
| Headphones Technology | - | Dynamic | |
| Ear Cups Type | - | Closed | |
| Adjustable Headband | Yes | - | |
| Connectivity Technology | Wireless | Wireless | |
| Wireless Technology | Bluetooth | Bluetooth | |
| Bluetooth Version | Bluetooth 5.2 | Bluetooth 5.0 | Poly Voyager 4300 UC Series 4320 have a more advanced version of Bluetooth than EPOS I SENNHEISER ADAPT 561 II. |
| Bluetooth Audio Codec | - | SBC, AAC | |
| Active Noise Cancelling | - | Yes | EPOS I SENNHEISER ADAPT 561 II are equipped with active noice cancellation. |
| Active Noise Cancelling Technology | - | Hybrid ANC | |
| Noise Isolating | Yes | - | Poly Voyager 4300 UC Series 4320 are equipped with a noise isolating function. |
| Sound Output Mode | Stereo | Stereo | |
| Sound Effects | - | EPOS Voice | |
| Frequency Response | - | 20 - 20000 Hz | |
| Total Harmonic Distortion (THD) | - | <0.3% | |
| Impedance | - | 32 Ohm | |
| Max Sound Pressure | - | 108 dB | |
| Features | Acoustic Fence technology | Audio prompts |
| MICROPHONE | Poly Voyager 4300 UC Series 4320 | EPOS I SENNHEISER ADAPT 561 II |
|---|
| Form Factor | - | Headset microphone | |
|---|---|---|---|
| Type | Boom | Boom | |
| Microphone Operation Mode | - | Beamforming, MEMS-directional | |
| Frequency Response | - | 100 - 10000 Hz | |
| Microphones Included | 2 | 2 | Both headphones have a built-in microphone. |
| REMOTE CONTROL | Poly Voyager 4300 UC Series 4320 | EPOS I SENNHEISER ADAPT 561 II |
|---|
| Controls | Mute, volume, answer/end, play/pause, next/previous track | - |
|---|
| CABLE | Poly Voyager 4300 UC Series 4320 | EPOS I SENNHEISER ADAPT 561 II |
|---|
| Cable Type | - | USB-C to USB-C cable - detachable |
|---|
| FEATURES | Poly Voyager 4300 UC Series 4320 | EPOS I SENNHEISER ADAPT 561 II |
|---|
| Features | - | EPOS ActiveGard |
|---|
| BATTERY AND CHARGING | Poly Voyager 4300 UC Series 4320 | EPOS I SENNHEISER ADAPT 561 II |
|---|
| Battery Type | Headset battery rechargeable | Headset battery rechargeable | |
|---|---|---|---|
| Battery Life Details | - | Continuous playback (noise cancelling OFF): up to 46 hours Continuous talk (noise cancelling OFF): up to 41 hours Continuous playback (noise cancelling ON): up to 24 hours Continuous talk (noise cancelling ON): up to 24 hours |
|
| Standby Time | - | 81 day | |
| Charging Time | - | 220 min |
| OTHERS | Poly Voyager 4300 UC Series 4320 | EPOS I SENNHEISER ADAPT 561 II |
|---|
| Included Accessories | Bluetooth USB-A adapter | Carrying case, BTD 800 USB-C dongle, USB-C to USB-C cable | |
|---|---|---|---|
| Software Certification | Zoom Certified | Zoom Certified, Certified for Microsoft Teams, Optimised for UC, Optimised for Google Meet | |
| Service & Support | Limited warranty - 2 years | Limited warranty - 2 years |
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