In depth comparison and review of Sennheiser HD 2.30i (HD 2.0) 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 2.30i (HD 2.0) | EPOS I SENNHEISER C20 |
|---|
| Product Type | Headphones - wired - 3.5 mm jack | Headset - Bluetooth - wireless - USB-A via Bluetooth adapter | |
|---|---|---|---|
| Series | HD 2.0 | C-series | |
| Height | - | 20 cm | |
| Width | - | 16.5 cm | |
| Depth | - | 5.8 cm | |
| Weight | - | 200 g | |
| Colour | Black | Black | |
| Recommended Use | Portable electronics | - | |
| Bluetooth Range (Operating Distance) | - | 25 m |
| SOUND QUALITY | Sennheiser HD 2.30i (HD 2.0) | EPOS I SENNHEISER C20 |
|---|
| Headphones Form Factor | Full size | On-ear | |
|---|---|---|---|
| Headphones Technology | Dynamic | Dynamic | |
| Ear Cups Type | Closed | - | |
| Connectivity Technology | Wired | Wireless | |
| Wireless Technology | - | Bluetooth | |
| Sound Output Mode | Stereo | Stereo | |
| Frequency Response | 18 - 22000 Hz | - | |
| Total Harmonic Distortion (THD) | 0.5% | 3% | Sennheiser HD 2.30i (HD 2.0) have lower total harmonic distortion than Sennheiser HD 2.30i (HD 2.0). |
| Sensitivity | 120 dB | - | |
| Impedance | 22 Ohm | - | |
| Features | - | EPOS BrainAdapt Technology |
| MICROPHONE | Sennheiser HD 2.30i (HD 2.0) | EPOS I SENNHEISER C20 |
|---|
| Type | - | Boom |
|---|
| CABLE | Sennheiser HD 2.30i (HD 2.0) | EPOS I SENNHEISER C20 |
|---|
| Cable Type | Headphones cable - 1.4 m | - | |
|---|---|---|---|
| Cable Length | 1.4 m | - |
| BATTERY AND CHARGING | Sennheiser HD 2.30i (HD 2.0) | EPOS I SENNHEISER C20 |
|---|
| Battery Type | - | Headset battery rechargeable | |
|---|---|---|---|
| Standby Time | - | 300 hours | |
| Charging Time | - | 2 hour(s) |
| CONNECTIONS | Sennheiser HD 2.30i (HD 2.0) | EPOS I SENNHEISER C20 |
|---|
| Connector Type | Headphones (mini-phone stereo 3.5 mm 4-pole) | - |
|---|
| OTHERS | Sennheiser HD 2.30i (HD 2.0) | EPOS I SENNHEISER C20 |
|---|
| Included Accessories | Carrying pouch | Carrying case, charging cable, BTD 800 USB dongle | |
|---|---|---|---|
| Compatibility | iPhone, iPad, iPod | - | |
| Service & Support | Limited warranty - 2 years | Limited warranty - 2 years |
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