Side by side comparison and review of Lenovo ThinkPad In-Ear Headphones and Poly SupraPlus NC. 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 | Lenovo ThinkPad In-Ear Headphones | Poly SupraPlus NC |
|---|
| Product Type | Headset - wired | Headset | |
|---|---|---|---|
| Weight | 21 g | - | |
| Recommended Use | Computer | - |
| SOUND QUALITY | Lenovo ThinkPad In-Ear Headphones | Poly SupraPlus NC |
|---|
| Headphones Form Factor | In-ear | - | |
|---|---|---|---|
| Headphones Technology | Balanced armature / dynamic | - | |
| Connectivity Technology | Wired | - | |
| Noise Isolating | Yes | - | Lenovo ThinkPad In-Ear Headphones are equipped with a noise isolating function. |
| Sound Output Mode | Stereo | - | |
| Frequency Response | 20 - 20000 Hz | - | |
| Max Input Power | 5 mW | - | |
| Total Harmonic Distortion (THD) | <3% | - | |
| Sensitivity | 96 dB | - | |
| Impedance | 10 Ohm | - | |
| In-Cord Volume Control | Yes | - |
| MICROPHONE | Lenovo ThinkPad In-Ear Headphones | Poly SupraPlus NC |
|---|
| Type | On-cable | - | |
|---|---|---|---|
| Microphone Operation Mode | Omni-directional | - | |
| Frequency Response | 100 - 10000 Hz | - | |
| Sensitivity | -42 dB | - | |
| Impedance | 2200 Ohm | - | |
| Signal-To-Noise Ratio | 60 dB | - |
| CABLE | Lenovo ThinkPad In-Ear Headphones | Poly SupraPlus NC |
|---|
| Cable Type | Headset cable - 1.2 m | - |
|---|
| CONNECTIONS | Lenovo ThinkPad In-Ear Headphones | Poly SupraPlus NC |
|---|
| Connector Type | Headset (mini-phone stereo 3.5 mm 4-pole) | - |
|---|
| OTHERS | Lenovo ThinkPad In-Ear Headphones | Poly SupraPlus NC |
|---|
| Included Accessories | Cord wrap, silicon sleeve | Monitor receiver | |
|---|---|---|---|
| Compliant Standards | EN55024, EN55022 Class B, CB | - | |
| TAA Compliant | - | Yes | |
| Service & Support | Limited warranty - 1 year | - |
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