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| Available colors | ||
| Editiorial reviews | ||
| User rating |
 Sennheiser CX 300 |  Sennheiser CX 400-II Precision | |
|---|---|---|
| Sound output | Stereo | Stereo |
| Style | In-Ear | In-Ear |
| Connectivity technology | Wired | Wired |
| Headset (integrated/enclosed microphone) | no | no |
| Sennheiser CX 300 | Sennheiser CX 400-II Precision | |
|---|---|---|
| Colour of product |
|
|
| Acoustic design | Closed | Closed |
| Attachment type | Ear canal | Ear canal |
| Sennheiser CX 300 | Sennheiser CX 400-II Precision | |
|---|---|---|
| Weight | 0.14 oz | 4.37 oz |
| Sennheiser CX 300 | Sennheiser CX 400-II Precision | |
|---|---|---|
| Impedance | 16.0 Ω | 16.0 Ω |
| Sensitivity | < 112 | < 114 |
| Frequency range | 19 - 21000 | < 22000 |
| Driver technology | Dynamic | Dynamic |
| Sennheiser CX 300 | Sennheiser CX 400-II Precision | |
|---|---|---|
| Cable length | 1 | 1.2 |
| Type of connector | 3.5mm | 3.5mm |
| Detachable cable | no | no |
| Sennheiser CX 300 | Sennheiser CX 400-II Precision | |
|---|---|---|
| Battery operated | no | no |
| Pros | ||
|---|---|---|
| Cons |
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