Side by side comparison and review of Lenovo ThinkPad X1 and Poly EncorePro 520V. 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 | Lenovo ThinkPad X1 | Poly EncorePro 520V |
|---|
| Product Type | Headphones - Bluetooth - wireless | Headset - wired - 3.5 mm jack | |
|---|---|---|---|
| Series | - | EncorePro 500 series | |
| Height | - | 6.7 cm | |
| Width | - | 11.1 cm | |
| Depth | - | 14.9 cm | |
| Weight | 195 g | 74 g | Poly EncorePro 520V are lighter than Lenovo ThinkPad X1 headphones. |
| Colour | - | Black | |
| Earpad Material | - | Artificial leather |
| SOUND QUALITY | Lenovo ThinkPad X1 | Poly EncorePro 520V |
|---|
| Headphones Form Factor | On-ear | On-ear | |
|---|---|---|---|
| Adjustable Headband | Yes | - | |
| Foldable | Yes | - | Lenovo ThinkPad X1 can be folded. |
| Connectivity Technology | Wireless | Wired | |
| Wireless Technology | Bluetooth | - | |
| Bluetooth Version | Bluetooth 5.0 | - | |
| Bluetooth Profiles | Hands-Free Profile (HFP), Advanced Audio Distribution Profile (A2DP), Audio/Video Remote Control Profile (AVRCP) | - | |
| Bluetooth Audio Codec | SBC, AAC, aptX, apt-X LL, mSBC | - | |
| Active Noise Cancelling | Yes | Yes | Both headphones are equipped with active noice cancellation. |
| Active Noise Cancelling Technology | Environmental Noise Cancellation (ENC) / Hybrid ANC | SoundGuard DIGITAL | |
| Frequency Response | 20 - 20000 Hz | - | |
| Max Input Power | 30 mW | - | |
| Sensitivity | 111 dB | - | |
| Impedance | 32 Ohm | - | |
| Diaphragm | 40 mm | 5.6 mm | Lenovo ThinkPad X1 have a thicker diaphragm than Poly EncorePro 520V. |
| Dynamic Range | 110 dB | - | |
| Signal-To-Noise Ratio | - | 50 dB | |
| Simultaneously Connectable Devices Qty (Multipoint) | 2 | - | Lenovo ThinkPad X1 have the ability to connect to multiple devices simultaneously. |
| MICROPHONE | Lenovo ThinkPad X1 | Poly EncorePro 520V |
|---|
| Form Factor | Built-in | - | |
|---|---|---|---|
| Type | - | Boom | |
| Microphone Operation Mode | - | Omni-directional | |
| Noise Cancelling | Yes | Yes | The microphones on both headphones can cancel out ambient noise. |
| Frequency Response | 50 - 8000 Hz | 20 - 16000 Hz | Poly EncorePro 520V offer a larger microphone frequency range than Lenovo ThinkPad X1. |
| Sensitivity | - | 40 dB | |
| Sensitivity Margin | - | +/- 3dB | |
| Dynamic Range | 95 dB | - | |
| Signal-To-Noise Ratio | 19 dB | - |
| CABLE | Lenovo ThinkPad X1 | Poly EncorePro 520V |
|---|
| Cable Type | USB-C to USB-A cable - 1.3 m USB-C cable - 1.3 m |
- | |
|---|---|---|---|
| Cable Length | - | 78.5 cm |
| FEATURES | Lenovo ThinkPad X1 | Poly EncorePro 520V |
|---|
| Features | - | Boom mic length 135mm, 290° rotatable microphone |
|---|
| BATTERY AND CHARGING | Lenovo ThinkPad X1 | Poly EncorePro 520V |
|---|
| Battery Type | Headphone battery rechargeable | - | |
|---|---|---|---|
| Battery Life | 20 hours | - | |
| Battery Life Details | (noise cancelling OFF): up to 20 hours Continuous playback: up to 15 hours |
- | |
| Charging Time | 2 hours | - |
| CONNECTIONS | Lenovo ThinkPad X1 | Poly EncorePro 520V |
|---|
| Connector Type | Headphones (24 pin USB-C) | Headset (mini-phone 3.5mm) |
|---|
| OTHERS | Lenovo ThinkPad X1 | Poly EncorePro 520V |
|---|
| Included Accessories | Carrying case | - | |
|---|---|---|---|
| Software Certification | - | Certified for Skype for Business, UC certified | |
| Supported Host Device OS | - | macOS, Windows | |
| Service & Support | Limited warranty - 1 year | Limited warranty - 2 years |
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