Detailed comparison and review of Lenovo ThinkPad X1 and Poly Blackwire 8225-M. 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 | Lenovo ThinkPad X1 | Poly Blackwire 8225-M |
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Product Type | Headphones - Bluetooth - wireless | Headset - wired - USB-A | |
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Weight | 195 g | 186 g | Poly Blackwire 8225-M are lighter than Lenovo ThinkPad X1 headphones. |
SOUND QUALITY | Lenovo ThinkPad X1 | Poly Blackwire 8225-M |
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Headphones Form Factor | On-ear | On-ear | |
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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-M. |
Impedance | 32 Ohm | 32 Ohm | |
Diaphragm | 40 mm | 32 mm | Lenovo ThinkPad X1 have a thicker diaphragm than Poly Blackwire 8225-M. |
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-M |
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Form Factor | Built-in | - | |
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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-M 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-M |
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Controls | - | Mute, volume, answer/end, Microsoft Teams button |
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CABLE | Lenovo ThinkPad X1 | Poly Blackwire 8225-M |
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Cable Type | USB-C to USB-A cable - 1.3 m USB-C cable - 1.3 m |
Headset cable - 2.2 m | |
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Cable Length | - | 2.2 m |
BATTERY AND CHARGING | Lenovo ThinkPad X1 | Poly Blackwire 8225-M |
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Battery Type | Headphone battery rechargeable | - | |
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Battery Life | 20 hours | - | |
Battery Life Details | (noise cancelling OFF): up to 20 hours Continuous playback: up to 15 hours |
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Charging Time | 2 hours | - |
CONNECTIONS | Lenovo ThinkPad X1 | Poly Blackwire 8225-M |
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Connector Type | Headphones (24 pin USB-C) | Headset (4 PIN USB Type A) |
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OTHERS | Lenovo ThinkPad X1 | Poly Blackwire 8225-M |
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Included Accessories | Carrying case | - | |
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Service & Support | Limited warranty - 1 year | - |