In depth comparison and review of Poly Blackwire C725-UC and EPOS I SENNHEISER ADAPT 165 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 Blackwire C725-UC | EPOS I SENNHEISER ADAPT 165 II |
|---|
| Product Type | Headset - wired - USB | Headset - wired - 3.5 mm jack | |
|---|---|---|---|
| Series | 700 Series | ADAPT 100 Series | |
| Weight | - | 145.3 g | |
| Colour | - | Black | |
| Earpad Material | - | Leatherette | |
| Recommended Use | Computer | Portable electronics, computer |
| SOUND QUALITY | Poly Blackwire C725-UC | EPOS I SENNHEISER ADAPT 165 II |
|---|
| Headphones Form Factor | On-ear | On-ear | |
|---|---|---|---|
| Headphones Technology | - | Dynamic | |
| Foldable | - | Yes | EPOS I SENNHEISER ADAPT 165 II can be folded. |
| Connectivity Technology | Wired | Wired | |
| Active Noise Cancelling | Yes | - | Poly Blackwire C725-UC are equipped with active noice cancellation. |
| Active Noise Cancelling Technology | SoundGuard | - | |
| Sound Output Mode | Stereo | Stereo | |
| Sound Effects | - | EPOS Voice | |
| Frequency Response | 20 - 20000 Hz | 20 - 20000 Hz | Both headphones offer the same frequency response. |
| Total Harmonic Distortion (THD) | - | 55% | |
| Max Sound Pressure | - | 115 dB | |
| Magnet Material | - | Neodymium | |
| In-Cord Volume Control | Yes | - |
| MICROPHONE | Poly Blackwire C725-UC | EPOS I SENNHEISER ADAPT 165 II |
|---|
| Form Factor | Headset microphone | - | |
|---|---|---|---|
| Type | Boom | Boom | |
| Noise Cancelling | - | Yes | EPOS I SENNHEISER ADAPT 165 II microphone can cancel out ambient noise. |
| Frequency Response | 100 - 8000 Hz | 100 - 8000 Hz | The frequency response of the microphones in both headphones is the same. |
| REMOTE CONTROL | Poly Blackwire C725-UC | EPOS I SENNHEISER ADAPT 165 II |
|---|
| Controls | Mute, volume, answer/end | - |
|---|
| CABLE | Poly Blackwire C725-UC | EPOS I SENNHEISER ADAPT 165 II |
|---|
| Cable Type | USB cable - 2.04 m | Headset cable - 1.12 m | |
|---|---|---|---|
| Cable Length | 2.04 m | 1.12 m |
| FEATURES | Poly Blackwire C725-UC | EPOS I SENNHEISER ADAPT 165 II |
|---|
| Features | - | EPOS ActiveGard |
|---|
| CONNECTIONS | Poly Blackwire C725-UC | EPOS I SENNHEISER ADAPT 165 II |
|---|
| Connector Type | USB (4 PIN USB Type A) | Headset (mini-phone 3.5mm) |
|---|
| OTHERS | Poly Blackwire C725-UC | EPOS I SENNHEISER ADAPT 165 II |
|---|
| Included Accessories | Carrying case | - | |
|---|---|---|---|
| Service & Support | Limited warranty - 2 years | Limited warranty - 2 years |
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