In depth comparison and review of Sennheiser IE 40 Pro and Sony MDR EX155AP. 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 | Sony MDR EX155AP |
|---|
| Product Type | Earphones - wired - 3.5 mm jack | Earphones - wired - 3.5 mm jack | |
|---|---|---|---|
| Series | - | EX Series | |
| Weight | 18 g | 3 g | Sony MDR EX155AP are lighter than Sennheiser IE 40 Pro headphones. |
| Colour | Black | Black | White | |
| Recommended Use | - | Portable electronics |
| SOUND QUALITY | Sennheiser IE 40 Pro | Sony MDR EX155AP |
|---|
| Headphones Form Factor | In-ear - over-the-ear mount | In-ear | |
|---|---|---|---|
| Headphones Technology | Dynamic | Dynamic | |
| Connectivity Technology | Wired | Wired | |
| Sound Output Mode | Stereo | Stereo | |
| Frequency Response | 20 - 18000 Hz | 5 - 24000 Hz | Sony MDR EX155AP offer a larger frequency range than Sennheiser IE 40 Pro. |
| Max Input Power | - | 100 mW | |
| Total Harmonic Distortion (THD) | 0.1% | - | |
| Sensitivity | 115 dB | 103 dB/mW | Sennheiser IE 40 Pro have higher sensitivity than Sony MDR EX155AP. |
| Impedance | 20 Ohm | 16 Ohm | |
| Diaphragm | 10 mm | 9 mm | Sennheiser IE 40 Pro have a thicker diaphragm than Sony MDR EX155AP. |
| Magnet Material | - | Neodymium |
| MICROPHONE | Sennheiser IE 40 Pro | Sony MDR EX155AP |
|---|
| Type | - | On-cable | |
|---|---|---|---|
| Microphone Technology | - | Electret condenser | |
| Microphone Operation Mode | - | Omni-directional | |
| Frequency Response | - | 20 - 20000 Hz | |
| Audio Input Details | - | Omni-directional - 20 - 20000 Hz |
| CABLE | Sennheiser IE 40 Pro | Sony MDR EX155AP |
|---|
| Cable Type | Headphones cable - L shaped - 1.3 m | Headphones cable - Y-type - L shaped - 1.2 m | |
|---|---|---|---|
| Cable Length | 1.3 m | 1.2 m | |
| Plated Connector | - | Gold |
| CONNECTIONS | Sennheiser IE 40 Pro | Sony MDR EX155AP |
|---|
| Connector Type | Headphones (mini-phone stereo 3.5 mm) | Headphones (mini-phone 3.5 mm 4-pole) |
|---|
| OTHERS | Sennheiser IE 40 Pro | Sony MDR EX155AP |
|---|
| Included Accessories | Cord clip, pair of memory foam ear tips, 3 pairs of silicone ear tips (small, medium, large), soft pouch | Cord adjuster, 3 pairs of ear tips (small, medium, large) |
|---|
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