Side by side comparison and review of Sennheiser HD 2.20s and Poly EncorePro 720D. 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 | Sennheiser HD 2.20s | Poly EncorePro 720D |
|---|
| Product Type | Headphones - wired - 3.5 mm jack | Headset - wired - USB-A | |
|---|---|---|---|
| Series | HD 2.0 | EncorePro 700 Series | |
| Weight | 246 g | 78 g | Poly EncorePro 720D are lighter than Sennheiser HD 2.20s headphones. |
| Colour | Black | Black | |
| Earpad Material | - | Artificial leather | |
| Recommended Use | Portable electronics | - |
| SOUND QUALITY | Sennheiser HD 2.20s | Poly EncorePro 720D |
|---|
| Headphones Form Factor | On-ear | On-ear binaural | |
|---|---|---|---|
| Ear Cups Type | Closed | - | |
| Connectivity Technology | Wired | Wired | |
| Sound Output Mode | Stereo | - | |
| Frequency Response | 18 - 18000 Hz | - | |
| Total Harmonic Distortion (THD) | 0.5% | - | |
| Sensitivity | 117 dB | - | |
| Impedance | 26 Ohm | - | |
| Diaphragm | - | 28 mm | |
| Features | - | SoundGuard Technology | |
| In-Cord Volume Control | Yes | - |
| MICROPHONE | Sennheiser HD 2.20s | Poly EncorePro 720D |
|---|
| Type | On-cable | Boom | |
|---|---|---|---|
| Microphone Operation Mode | - | Omni-directional | |
| Noise Cancelling | - | Yes | Poly EncorePro 720D microphone can cancel out ambient noise. |
| Noise Cancelling Technology | - | Passive noise cancellation (PNC) | |
| Frequency Response | - | 100 - 6800 Hz |
| REMOTE CONTROL | Sennheiser HD 2.20s | Poly EncorePro 720D |
|---|
| Controls | Volume, answer/end, play/pause | - |
|---|
| CABLE | Sennheiser HD 2.20s | Poly EncorePro 720D |
|---|
| Cable Type | Headphones cable - 1.4 m | - | |
|---|---|---|---|
| Cable Length | 1.4 m | 89 cm |
| FEATURES | Sennheiser HD 2.20s | Poly EncorePro 720D |
|---|
| Features | - | Quick Disconnect, 290° rotatable microphone, boom mic length 120-145 mm |
|---|
| CONNECTIONS | Sennheiser HD 2.20s | Poly EncorePro 720D |
|---|
| Connector Type | Headphones (mini-phone stereo 3.5 mm 4-pole) | USB (USB Type-A) |
|---|
| OTHERS | Sennheiser HD 2.20s | Poly EncorePro 720D |
|---|
| Included Accessories | Audio cable (1.4 m) | - | |
|---|---|---|---|
| TAA Compliant | - | Yes | |
| Service & Support | Limited warranty - 2 years | - |
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