Detailed comparison and review of EPOS I SENNHEISER ADAPT 135 USB II and Poly Voyager 4300 UC Series 4320. With our comprehensive overview, you can simply compare design, sound quality, but also other key features of both headphones and easily decide which ones are the right choice for you. Our goal is to help you identify the main differences between products and find the headphones that best fit your needs and expectations.
| DESIGN AND DIMENSIONS | EPOS I SENNHEISER ADAPT 135 USB II | Poly Voyager 4300 UC Series 4320 |
|---|
| Product Type | Headset - wired - USB, 3.5 mm jack | Headset - Bluetooth - wireless - USB-A | |
|---|---|---|---|
| Series | ADAPT 100 Series | - | |
| Height | - | 18.6 cm | |
| Width | - | 21 cm | |
| Depth | - | 5.5 cm | |
| Weight | 145.3 g | 162 g | EPOS I SENNHEISER ADAPT 135 USB II are lighter than EPOS I SENNHEISER ADAPT 135 USB II headphones. |
| Colour | Black | - | |
| Earpad Material | Leatherette | - | |
| Recommended Use | Portable electronics, computer | Computer | |
| Bluetooth Range (Operating Distance) | - | 50 m |
| SOUND QUALITY | EPOS I SENNHEISER ADAPT 135 USB II | Poly Voyager 4300 UC Series 4320 |
|---|
| Headphones Form Factor | On-ear | On-ear | |
|---|---|---|---|
| Headphones Technology | Dynamic | - | |
| Adjustable Headband | - | Yes | |
| Connectivity Technology | Wired | Wireless | |
| Wireless Technology | - | Bluetooth | |
| Bluetooth Version | - | Bluetooth 5.2 | |
| 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 | - | |
| Max Sound Pressure | 115 dB | - | |
| Magnet Material | Neodymium | - | |
| Features | - | Acoustic Fence technology | |
| In-Cord Volume Control | Yes | - |
| MICROPHONE | EPOS I SENNHEISER ADAPT 135 USB II | Poly Voyager 4300 UC Series 4320 |
|---|
| Type | Boom | Boom | |
|---|---|---|---|
| Microphone Operation Mode | Mono | - | |
| Noise Cancelling | Yes | - | EPOS I SENNHEISER ADAPT 135 USB II microphone can cancel out ambient noise. |
| Frequency Response | 100 - 8000 Hz | - | |
| Microphones Included | - | 2 |
| REMOTE CONTROL | EPOS I SENNHEISER ADAPT 135 USB II | Poly Voyager 4300 UC Series 4320 |
|---|
| Controls | Volume, answer/end | Mute, volume, answer/end, play/pause, next/previous track |
|---|
| CABLE | EPOS I SENNHEISER ADAPT 135 USB II | Poly Voyager 4300 UC Series 4320 |
|---|
| Cable Type | Headset cable | - |
|---|
| FEATURES | EPOS I SENNHEISER ADAPT 135 USB II | Poly Voyager 4300 UC Series 4320 |
|---|
| Features | EPOS ActiveGard | - |
|---|
| BATTERY AND CHARGING | EPOS I SENNHEISER ADAPT 135 USB II | Poly Voyager 4300 UC Series 4320 |
|---|
| Battery Type | - | Headset battery rechargeable |
|---|
| CONNECTIONS | EPOS I SENNHEISER ADAPT 135 USB II | Poly Voyager 4300 UC Series 4320 |
|---|
| Connector Type | Headset (USB Type-A) Headset (mini-phone 3.5mm) |
- |
|---|
| OTHERS | EPOS I SENNHEISER ADAPT 135 USB II | Poly Voyager 4300 UC Series 4320 |
|---|
| Included Accessories | - | Bluetooth USB-A adapter | |
|---|---|---|---|
| Software Certification | Optimised for UC | Zoom Certified | |
| Service & Support | Limited warranty - 2 years | Limited warranty - 2 years |
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