Side by side comparison and review of EPOS I SENNHEISER IMPACT SC 660 TC and Lenovo ThinkPad X1. 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 | EPOS I SENNHEISER IMPACT SC 660 TC | Lenovo ThinkPad X1 |
|---|
| Product Type | Headset - wired - Easy Disconnect | Headphones - Bluetooth - wireless | |
|---|---|---|---|
| Weight | 113 g | 195 g | EPOS I SENNHEISER IMPACT SC 660 TC are lighter than EPOS I SENNHEISER IMPACT SC 660 TC headphones. |
| Colour | Black with silver | - | |
| Earpad Material | Leatherette | - |
| SOUND QUALITY | EPOS I SENNHEISER IMPACT SC 660 TC | Lenovo ThinkPad X1 |
|---|
| Headphones Form Factor | On-ear | 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 | 50 - 18000 Hz | 20 - 20000 Hz | Lenovo ThinkPad X1 offer a larger frequency range than EPOS I SENNHEISER IMPACT SC 660 TC. |
| Max Input Power | - | 30 mW | |
| Sensitivity | 103 dB | 111 dB | Lenovo ThinkPad X1 have higher sensitivity than EPOS I SENNHEISER IMPACT SC 660 TC. |
| Impedance | 200 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. |
| Magnet Material | Neodymium | - |
| MICROPHONE | EPOS I SENNHEISER IMPACT SC 660 TC | Lenovo ThinkPad X1 |
|---|
| Form Factor | Headset microphone | Built-in | |
|---|---|---|---|
| Type | Boom | - | |
| Noise Cancelling | - | Yes | Lenovo ThinkPad X1 microphone can cancel out ambient noise. |
| Frequency Response | 150 - 6800 Hz | 50 - 8000 Hz | Lenovo ThinkPad X1 offer a larger microphone frequency range than EPOS I SENNHEISER IMPACT SC 660 TC. |
| Dynamic Range | - | 95 dB | |
| Signal-To-Noise Ratio | - | 19 dB |
| CABLE | EPOS I SENNHEISER IMPACT SC 660 TC | Lenovo ThinkPad X1 |
|---|
| Cable Type | Headset cable - 1 m | USB-C to USB-A cable - 1.3 m USB-C cable - 1.3 m |
|---|
| BATTERY AND CHARGING | EPOS I SENNHEISER IMPACT SC 660 TC | 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 | EPOS I SENNHEISER IMPACT SC 660 TC | Lenovo ThinkPad X1 |
|---|
| Connector Type | Headset (EasyDisconnect) | Headphones (24 pin USB-C) |
|---|
| OTHERS | EPOS I SENNHEISER IMPACT SC 660 TC | Lenovo ThinkPad X1 |
|---|
| Included Accessories | Carrying pouch, leatherette ear pads, cable clip | Carrying case | |
|---|---|---|---|
| Service & Support | Limited warranty - 3 years | Limited warranty - 1 year |
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