In depth comparison and review of Lenovo ThinkPad X1 and Poly Blackwire 8225. 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 | Lenovo ThinkPad X1 | Poly Blackwire 8225 |
|---|
| Product Type | Headphones - Bluetooth - wireless | Headset - wired - USB-C | |
|---|---|---|---|
| Weight | 195 g | 186 g | Poly Blackwire 8225 are lighter than Lenovo ThinkPad X1 headphones. |
| SOUND QUALITY | Lenovo ThinkPad X1 | Poly Blackwire 8225 |
|---|
| Headphones Form Factor | On-ear | On-ear | |
|---|---|---|---|
| Adjustable Headband | Yes | 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 | Hybrid ANC | |
| Frequency Response | 20 - 20000 Hz | 20 - 20000 Hz | Both headphones offer the same frequency response. |
| Max Input Power | 30 mW | - | |
| Sensitivity | 111 dB | 84 dB | Lenovo ThinkPad X1 have higher sensitivity than Poly Blackwire 8225. |
| Impedance | 32 Ohm | 32 Ohm | |
| Diaphragm | 40 mm | 32 mm | Lenovo ThinkPad X1 have a thicker diaphragm than Poly Blackwire 8225. |
| Dynamic Range | 110 dB | - | |
| Simultaneously Connectable Devices Qty (Multipoint) | 2 | - | Lenovo ThinkPad X1 have the ability to connect to multiple devices simultaneously. |
| Features | - | SoundGuard DIGITAL Technology |
| MICROPHONE | Lenovo ThinkPad X1 | Poly Blackwire 8225 |
|---|
| Form Factor | Built-in | - | |
|---|---|---|---|
| Type | - | Boom | |
| Noise Cancelling | Yes | Yes | The microphones on both headphones can cancel out ambient noise. |
| Frequency Response | 50 - 8000 Hz | 100 - 10000 Hz | Poly Blackwire 8225 offer a larger microphone frequency range than Lenovo ThinkPad X1. |
| Sensitivity | - | -35 dBV/Pascal | |
| Dynamic Range | 95 dB | - | |
| Signal-To-Noise Ratio | 19 dB | - |
| REMOTE CONTROL | Lenovo ThinkPad X1 | Poly Blackwire 8225 |
|---|
| Controls | - | Mute, volume, answer/end |
|---|
| CABLE | Lenovo ThinkPad X1 | Poly Blackwire 8225 |
|---|
| Cable Type | USB-C to USB-A cable - 1.3 m USB-C cable - 1.3 m |
Headset cable - 2.2 m | |
|---|---|---|---|
| Cable Length | - | 2.2 m |
| BATTERY AND CHARGING | Lenovo ThinkPad X1 | Poly Blackwire 8225 |
|---|
| 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 Blackwire 8225 |
|---|
| Connector Type | Headphones (24 pin USB-C) | Headset (USB Type-C) |
|---|
| OTHERS | Lenovo ThinkPad X1 | Poly Blackwire 8225 |
|---|
| Included Accessories | Carrying case | - | |
|---|---|---|---|
| Software Certification | - | Zoom Certified | |
| Service & Support | Limited warranty - 1 year | - |
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