In depth comparison and review of Sennheiser IE 40 Pro and Sennheiser CX 100. 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 | Sennheiser CX 100 |
|---|
| Product Type | Earphones - wired - 3.5 mm jack | Earphones - wired - 3.5 mm jack | |
|---|---|---|---|
| Weight | 18 g | 10 g | Sennheiser CX 100 are lighter than Sennheiser IE 40 Pro headphones. |
| Colour | Black | Black |
| SOUND QUALITY | Sennheiser IE 40 Pro | Sennheiser CX 100 |
|---|
| Headphones Form Factor | In-ear - over-the-ear mount | In-ear | |
|---|---|---|---|
| Headphones Technology | Dynamic | Dynamic | |
| Connectivity Technology | Wired | Wired | |
| Noise Isolating | - | Yes | Sennheiser CX 100 are equipped with a noise isolating function. |
| Sound Output Mode | Stereo | Stereo | |
| Frequency Response | 20 - 18000 Hz | 17 - 20000 Hz | Sennheiser CX 100 offer a larger frequency range than Sennheiser IE 40 Pro. |
| Total Harmonic Distortion (THD) | 0.1% | <0.5% | Sennheiser IE 40 Pro have lower total harmonic distortion than Sennheiser IE 40 Pro. |
| Sensitivity | 115 dB | 119 dB | Sennheiser CX 100 have higher sensitivity than Sennheiser IE 40 Pro. |
| Impedance | 20 Ohm | 28 Ohm | |
| Diaphragm | 10 mm | - |
| CABLE | Sennheiser IE 40 Pro | Sennheiser CX 100 |
|---|
| Cable Type | Headphones cable - L shaped - 1.3 m | Headphones cable - L shaped - 1.2 m | |
|---|---|---|---|
| Cable Length | 1.3 m | 1.2 m |
| CONNECTIONS | Sennheiser IE 40 Pro | Sennheiser CX 100 |
|---|
| Connector Type | Headphones (mini-phone stereo 3.5 mm) | Headphones (mini-phone stereo 3.5 mm) |
|---|
| OTHERS | Sennheiser IE 40 Pro | Sennheiser CX 100 |
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| Included Accessories | Cord clip, pair of memory foam ear tips, 3 pairs of silicone ear tips (small, medium, large), soft pouch | 4 pairs of ear tips (XS, small, medium, large) |
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