In depth comparison and review of Sennheiser IE 40 Pro and ASUS ROG Cetra II. 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 | ASUS ROG Cetra II |
|---|
| Product Type | Earphones - wired - 3.5 mm jack | Earphones - wired - USB-C | |
|---|---|---|---|
| Weight | 18 g | 30 g | Sennheiser IE 40 Pro are lighter than Sennheiser IE 40 Pro headphones. |
| Colour | Black | Black | |
| Body Material | - | Liquid silicone rubber (LSR) | |
| Recommended Use | - | Game console, portable electronics, computer |
| SOUND QUALITY | Sennheiser IE 40 Pro | ASUS ROG Cetra II |
|---|
| Headphones Form Factor | In-ear - over-the-ear mount | In-ear | |
|---|---|---|---|
| Headphones Technology | Dynamic | - | |
| Connectivity Technology | Wired | Wired | |
| Active Noise Cancelling | - | Yes | ASUS ROG Cetra II are equipped with active noice cancellation. |
| Sound Output Mode | Stereo | Stereo | |
| Frequency Response | 20 - 18000 Hz | 20 - 40000 Hz | ASUS ROG Cetra II offer a larger frequency range than Sennheiser IE 40 Pro. |
| Total Harmonic Distortion (THD) | 0.1% | - | |
| Sensitivity | 115 dB | - | |
| Impedance | 20 Ohm | 32 Ohm | |
| Diaphragm | 10 mm | 9.4 mm | Sennheiser IE 40 Pro have a thicker diaphragm than ASUS ROG Cetra II. |
| Magnet Material | - | Neodymium | |
| In-Cord Volume Control | - | Yes |
| MICROPHONE | Sennheiser IE 40 Pro | ASUS ROG Cetra II |
|---|
| Type | - | On-cable | |
|---|---|---|---|
| Microphone Operation Mode | - | Omni-directional | |
| Frequency Response | - | 50 - 10000 Hz | |
| Sensitivity | - | -40 dB | |
| Sensitivity Margin | - | +/- 3dB |
| REMOTE CONTROL | Sennheiser IE 40 Pro | ASUS ROG Cetra II |
|---|
| Controls | - | Volume, play/pause, ANC/ambient |
|---|
| CABLE | Sennheiser IE 40 Pro | ASUS ROG Cetra II |
|---|
| Cable Type | Headphones cable - L shaped - 1.3 m | - | |
|---|---|---|---|
| Cable Length | 1.3 m | 1.25 m |
| CONNECTIONS | Sennheiser IE 40 Pro | ASUS ROG Cetra II |
|---|
| Connector Type | Headphones (mini-phone stereo 3.5 mm) | - |
|---|
| OTHERS | Sennheiser IE 40 Pro | ASUS ROG Cetra II |
|---|
| Included Accessories | Cord clip, pair of memory foam ear tips, 3 pairs of silicone ear tips (small, medium, large), soft pouch | Carrying case, cord clip, 3 ear tips, 3 pairs of EarFins, pair of memory foam ear tips | |
|---|---|---|---|
| Service & Support | - | Limited warranty - 2 years |
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