In depth comparison and review of Sennheiser IE 40 Pro and Razer Hammerhead Duo. 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 | Razer Hammerhead Duo |
|---|
| Product Type | Earphones - wired - 3.5 mm jack | Earphones - wired - 3.5 mm jack | |
|---|---|---|---|
| Weight | 18 g | 17 g | Razer Hammerhead Duo are lighter than Sennheiser IE 40 Pro headphones. |
| Colour | Black | - | |
| Recommended Use | - | Portable electronics |
| SOUND QUALITY | Sennheiser IE 40 Pro | Razer Hammerhead Duo |
|---|
| Headphones Form Factor | In-ear - over-the-ear mount | In-ear | |
|---|---|---|---|
| Headphones Technology | Dynamic | Dual balanced armature / dynamic | |
| Connectivity Technology | Wired | Wired | |
| Sound Output Mode | Stereo | Stereo | |
| Frequency Response | 20 - 18000 Hz | 20 - 20000 Hz | Razer Hammerhead Duo offer a larger frequency range than Sennheiser IE 40 Pro. |
| Max Input Power | - | 20 mW | |
| Total Harmonic Distortion (THD) | 0.1% | - | |
| Sensitivity | 115 dB | 102 dB | Sennheiser IE 40 Pro have higher sensitivity than Razer Hammerhead Duo. |
| Impedance | 20 Ohm | 32 Ohm | |
| Diaphragm | 10 mm | 13.6 mm | Razer Hammerhead Duo have a thicker diaphragm than Sennheiser IE 40 Pro. |
| In-Cord Volume Control | - | Yes |
| MICROPHONE | Sennheiser IE 40 Pro | Razer Hammerhead Duo |
|---|
| Type | - | On-cable | |
|---|---|---|---|
| Microphone Operation Mode | - | Omni-directional | |
| Frequency Response | - | 100 - 10000 Hz | |
| Sensitivity | - | -40 dB | |
| Signal-To-Noise Ratio | - | 58 dB |
| REMOTE CONTROL | Sennheiser IE 40 Pro | Razer Hammerhead Duo |
|---|
| Controls | - | Volume, answer/end, play/pause |
|---|
| CABLE | Sennheiser IE 40 Pro | Razer Hammerhead Duo |
|---|
| 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 | Razer Hammerhead Duo |
|---|
| Connector Type | Headphones (mini-phone stereo 3.5 mm) | Headphones (mini-phone stereo 3.5 mm 4-pole) |
|---|
| OTHERS | Sennheiser IE 40 Pro | Razer Hammerhead Duo |
|---|
| Included Accessories | Cord clip, pair of memory foam ear tips, 3 pairs of silicone ear tips (small, medium, large), soft pouch | 3 pairs of silicone ear tips (small, medium, large) |
|---|
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