In depth comparison and review of Sennheiser HD 25 Plus and Lenovo ThinkPad X1. 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 | Sennheiser HD 25 Plus | Lenovo ThinkPad X1 |
|---|
| Product Type | Headphones - wired - 3.5 mm jack | Headphones - Bluetooth - wireless | |
|---|---|---|---|
| Weight | 140 g | 195 g | Sennheiser HD 25 Plus are lighter than Sennheiser HD 25 Plus headphones. |
| Design | DJ | - | |
| Recommended Use | Professional audio, home audio | - |
| SOUND QUALITY | Sennheiser HD 25 Plus | Lenovo ThinkPad X1 |
|---|
| Headphones Form Factor | On-ear | On-ear | |
|---|---|---|---|
| Headphones Technology | Dynamic | - | |
| Ear Cups Type | Closed | - | |
| Adjustable Headband | - | Yes | |
| Foldable | - | Yes | Lenovo ThinkPad X1 can be folded. |
| Connectivity Technology | Wired | Wireless | |
| 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 | Lenovo ThinkPad X1 are equipped with active noice cancellation. |
| Active Noise Cancelling Technology | - | Environmental Noise Cancellation (ENC) / Hybrid ANC | |
| Sound Output Mode | Stereo | - | |
| Frequency Response | 16 - 22000 Hz | 20 - 20000 Hz | Sennheiser HD 25 Plus offer a larger frequency range than Lenovo ThinkPad X1. |
| Max Input Power | - | 30 mW | |
| Total Harmonic Distortion (THD) | 0.3% | - | |
| Sensitivity | 120 dB | 111 dB | Sennheiser HD 25 Plus have higher sensitivity than Lenovo ThinkPad X1. |
| Impedance | 70 Ohm | 32 Ohm | |
| Diaphragm | - | 40 mm | |
| Dynamic Range | - | 110 dB | |
| Simultaneously Connectable Devices Qty (Multipoint) | - | 2 | Lenovo ThinkPad X1 have the ability to connect to multiple devices simultaneously. |
| MICROPHONE | Sennheiser HD 25 Plus | Lenovo ThinkPad X1 |
|---|
| Form Factor | - | Built-in | |
|---|---|---|---|
| Noise Cancelling | - | Yes | Lenovo ThinkPad X1 microphone can cancel out ambient noise. |
| Frequency Response | - | 50 - 8000 Hz | |
| Dynamic Range | - | 95 dB | |
| Signal-To-Noise Ratio | - | 19 dB |
| CABLE | Sennheiser HD 25 Plus | Lenovo ThinkPad X1 |
|---|
| Cable Type | Headphones cable - 1.3 m Headphones cable - 1.5 m |
USB-C to USB-A cable - 1.3 m USB-C cable - 1.3 m |
|---|
| BATTERY AND CHARGING | Sennheiser HD 25 Plus | Lenovo ThinkPad X1 |
|---|
| 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 | Sennheiser HD 25 Plus | Lenovo ThinkPad X1 |
|---|
| Connector Type | Headphones (mini-phone stereo 3.5 mm) | Headphones (24 pin USB-C) |
|---|
| OTHERS | Sennheiser HD 25 Plus | Lenovo ThinkPad X1 |
|---|
| Included Accessories | Protective pouch, 3.5 mm to 6.3 mm adapter, 2 pairs of earpads | Carrying case | |
|---|---|---|---|
| Service & Support | - | Limited warranty - 1 year |
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