Detailed comparison and review of Sharkoon Rush ER2 and Lenovo ThinkPad X1. 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 | Sharkoon Rush ER2 | Lenovo ThinkPad X1 |
|---|
| Product Type | Headset - wired | Headphones - Bluetooth - wireless | |
|---|---|---|---|
| Weight | 266 g | 195 g | Lenovo ThinkPad X1 are lighter than Sharkoon Rush ER2 headphones. |
| Colour | White | Red | Green | Blue | - | |
| Recommended Use | Game console, portable electronics, computer | - |
| SOUND QUALITY | Sharkoon Rush ER2 | Lenovo ThinkPad X1 |
|---|
| Headphones Form Factor | Full size | On-ear | |
|---|---|---|---|
| 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 | 20 - 20000 Hz | 20 - 20000 Hz | Both headphones offer the same frequency response. |
| Max Input Power | 100 mW | 30 mW | |
| Sensitivity | 92 dB | 111 dB | Lenovo ThinkPad X1 have higher sensitivity than Sharkoon Rush ER2. |
| Impedance | 32 Ohm | 32 Ohm | |
| Diaphragm | 40 mm | 40 mm | Both headphones are designed with same thick diaphragm. |
| Dynamic Range | - | 110 dB | |
| Simultaneously Connectable Devices Qty (Multipoint) | - | 2 | Lenovo ThinkPad X1 have the ability to connect to multiple devices simultaneously. |
| MICROPHONE | Sharkoon Rush ER2 | Lenovo ThinkPad X1 |
|---|
| Form Factor | - | Built-in | |
|---|---|---|---|
| Type | Boom | - | |
| Noise Cancelling | - | Yes | Lenovo ThinkPad X1 microphone can cancel out ambient noise. |
| Frequency Response | 30 - 16000 Hz | 50 - 8000 Hz | Sharkoon Rush ER2 offer a larger microphone frequency range than Lenovo ThinkPad X1. |
| Audio Input Details | Omni-directional - 30 - 16000 Hz - Output Impedance 2.2 kOhm | - | |
| Sensitivity | -58 dB | - | |
| Impedance | 2.2 kOhm | - | |
| Dynamic Range | - | 95 dB | |
| Signal-To-Noise Ratio | - | 19 dB |
| REMOTE CONTROL | Sharkoon Rush ER2 | Lenovo ThinkPad X1 |
|---|
| Controls | Volume control, microphone on/mute | - |
|---|
| CABLE | Sharkoon Rush ER2 | Lenovo ThinkPad X1 |
|---|
| Cable Type | Headset cable - 1.1 m Headset cable - 2.5 m |
USB-C to USB-A cable - 1.3 m USB-C cable - 1.3 m |
|---|
| BATTERY AND CHARGING | Sharkoon Rush ER2 | 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 | Sharkoon Rush ER2 | Lenovo ThinkPad X1 |
|---|
| Connector Type | Headset (mini-phone stereo 3.5 mm) | Headphones (24 pin USB-C) |
|---|
| OTHERS | Sharkoon Rush ER2 | Lenovo ThinkPad X1 |
|---|
| Included Accessories | Carrying pouch | Carrying case | |
|---|---|---|---|
| Service & Support | - | Limited warranty - 1 year |
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