In depth comparison and review of Sennheiser IE 40 Pro and Poly SupraPlus NC. 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 IE 40 Pro | Poly SupraPlus NC |
|---|
| Product Type | Earphones - wired - 3.5 mm jack | Headset | |
|---|---|---|---|
| Weight | 18 g | - | |
| Colour | Black | - |
| SOUND QUALITY | Sennheiser IE 40 Pro | Poly SupraPlus NC |
|---|
| Headphones Form Factor | In-ear - over-the-ear mount | - | |
|---|---|---|---|
| Headphones Technology | Dynamic | - | |
| Connectivity Technology | Wired | - | |
| Sound Output Mode | Stereo | - | |
| Frequency Response | 20 - 18000 Hz | - | |
| Total Harmonic Distortion (THD) | 0.1% | - | |
| Sensitivity | 115 dB | - | |
| Impedance | 20 Ohm | - | |
| Diaphragm | 10 mm | - |
| CABLE | Sennheiser IE 40 Pro | Poly SupraPlus NC |
|---|
| Cable Type | Headphones cable - L shaped - 1.3 m | - | |
|---|---|---|---|
| Cable Length | 1.3 m | - |
| CONNECTIONS | Sennheiser IE 40 Pro | Poly SupraPlus NC |
|---|
| Connector Type | Headphones (mini-phone stereo 3.5 mm) | - |
|---|
| OTHERS | Sennheiser IE 40 Pro | Poly SupraPlus NC |
|---|
| Included Accessories | Cord clip, pair of memory foam ear tips, 3 pairs of silicone ear tips (small, medium, large), soft pouch | Monitor receiver | |
|---|---|---|---|
| TAA Compliant | - | Yes |
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