In depth comparison and review of Sennheiser HD 4.30i and EPOS I SENNHEISER C20. 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 HD 4.30i | EPOS I SENNHEISER C20 |
|---|
| Product Type | Headphones - wired - 3.5 mm jack | Headset - Bluetooth - wireless - USB-A via Bluetooth adapter | |
|---|---|---|---|
| Series | - | C-series | |
| Height | - | 20 cm | |
| Width | - | 16.5 cm | |
| Depth | - | 5.8 cm | |
| Weight | - | 200 g | |
| Colour | Black | White | Black | |
| Bluetooth Range (Operating Distance) | - | 25 m |
| SOUND QUALITY | Sennheiser HD 4.30i | EPOS I SENNHEISER C20 |
|---|
| Headphones Form Factor | Full size | On-ear | |
|---|---|---|---|
| Headphones Technology | - | Dynamic | |
| Ear Cups Type | Closed | - | |
| Connectivity Technology | Wired | Wireless | |
| Wireless Technology | - | Bluetooth | |
| Noise Isolating | Yes | - | Sennheiser HD 4.30i are equipped with a noise isolating function. |
| Sound Output Mode | Stereo | Stereo | |
| Frequency Response | 18 - 20000 Hz | - | |
| Total Harmonic Distortion (THD) | 0.5% | 3% | Sennheiser HD 4.30i have lower total harmonic distortion than Sennheiser HD 4.30i. |
| Sensitivity | 120 dB/Vrms | - | |
| Impedance | 18 Ohm | - | |
| Diaphragm | 32 mm | - | |
| Features | - | EPOS BrainAdapt Technology | |
| In-Cord Volume Control | Yes | - |
| MICROPHONE | Sennheiser HD 4.30i | EPOS I SENNHEISER C20 |
|---|
| Type | On-cable | Boom | |
|---|---|---|---|
| Microphone Operation Mode | Omni-directional | - | |
| Sensitivity | -44 dBV/Pascal | - |
| REMOTE CONTROL | Sennheiser HD 4.30i | EPOS I SENNHEISER C20 |
|---|
| Controls | 3-button remote | - |
|---|
| CABLE | Sennheiser HD 4.30i | EPOS I SENNHEISER C20 |
|---|
| Cable Type | Headphones cable - detachable - 1.4 m | - | |
|---|---|---|---|
| Cable Length | 1.4 m | - | |
| Detachable Cable | Yes | - | |
| Plated Connector | Gold | - |
| BATTERY AND CHARGING | Sennheiser HD 4.30i | EPOS I SENNHEISER C20 |
|---|
| Battery Type | - | Headset battery rechargeable | |
|---|---|---|---|
| Standby Time | - | 300 hours | |
| Charging Time | - | 2 hour(s) |
| CONNECTIONS | Sennheiser HD 4.30i | EPOS I SENNHEISER C20 |
|---|
| Connector Type | Headphones (mini-phone 3.5 mm 4-pole) | - |
|---|
| OTHERS | Sennheiser HD 4.30i | EPOS I SENNHEISER C20 |
|---|
| Included Accessories | Soft bag, audio cable (1.4 m) | Carrying case, charging cable, BTD 800 USB dongle | |
|---|---|---|---|
| Service & Support | Limited warranty - parts and labour - 2 years | Limited warranty - 2 years |
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