In depth comparison and review of AKG K812 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 | AKG K812 | Lenovo ThinkPad X1 |
|---|
| Product Type | Headphones - wired - 3.5 mm jack | Headphones - Bluetooth - wireless | |
|---|---|---|---|
| Weight | 390 g | 195 g | Lenovo ThinkPad X1 are lighter than AKG K812 headphones. |
| Colour | Black | - | |
| Recommended Use | Professional audio | - |
| SOUND QUALITY | AKG K812 | Lenovo ThinkPad X1 |
|---|
| Headphones Form Factor | Full size | On-ear | |
|---|---|---|---|
| Ear Cups Type | Open | - | |
| 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 | 5 - 54000 Hz | 20 - 20000 Hz | AKG K812 offer a larger frequency range than Lenovo ThinkPad X1. |
| Max Input Power | 300 mW | 30 mW | |
| Sensitivity | 110 dB | 111 dB | Lenovo ThinkPad X1 have higher sensitivity than AKG K812. |
| Impedance | 36 Ohm | 32 Ohm | |
| Diaphragm | 53 mm | 40 mm | AKG K812 have a thicker diaphragm than Lenovo ThinkPad X1. |
| Dynamic Range | - | 110 dB | |
| Simultaneously Connectable Devices Qty (Multipoint) | - | 2 | Lenovo ThinkPad X1 have the ability to connect to multiple devices simultaneously. |
| MICROPHONE | AKG K812 | 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 | AKG K812 | Lenovo ThinkPad X1 |
|---|
| Cable Type | Headphones cable - detachable - 3 m | USB-C to USB-A cable - 1.3 m USB-C cable - 1.3 m |
|
|---|---|---|---|
| Cable Length | 3 m | - | |
| Detachable Cable | Yes | - | |
| Plated Connector | Gold | - |
| BATTERY AND CHARGING | AKG K812 | 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 | AKG K812 | Lenovo ThinkPad X1 |
|---|
| Connector Type | Headphones (mini-phone stereo 3.5 mm) | Headphones (24 pin USB-C) |
|---|
| OTHERS | AKG K812 | Lenovo ThinkPad X1 |
|---|
| Included Accessories | 6.3 mm (1/4") stereo adapter | Carrying case | |
|---|---|---|---|
| Service & Support | - | Limited warranty - 1 year |
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