In depth comparison and review of EPOS I SENNHEISER C20 and Sennheiser MOMENTUM 4. 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 | EPOS I SENNHEISER C20 | Sennheiser MOMENTUM 4 |
|---|
| Product Type | Headset - Bluetooth - wireless - USB-A via Bluetooth adapter | Headphones - Bluetooth - wireless, wired - 2.5 mm jack, USB-C | |
|---|---|---|---|
| Series | C-series | - | |
| Height | 20 cm | 19.5 cm | |
| Width | 16.5 cm | 18 cm | |
| Depth | 5.8 cm | 4.63 cm | |
| Weight | 200 g | 293 g | EPOS I SENNHEISER C20 are lighter than EPOS I SENNHEISER C20 headphones. |
| Colour | Black | Black | White | |
| Earpad Material | - | Synthetic leather | |
| Recommended Use | - | Portable electronics | |
| Bluetooth Range (Operating Distance) | 25 m | - | |
| High-Resolution Audio | - | Yes |
| SOUND QUALITY | EPOS I SENNHEISER C20 | Sennheiser MOMENTUM 4 |
|---|
| Headphones Form Factor | On-ear | Full size | |
|---|---|---|---|
| Headphones Technology | Dynamic | Dynamic | |
| Ear Cups Type | - | Closed | |
| Adjustable Headband | - | Yes | |
| Foldable | - | Yes | Sennheiser MOMENTUM 4 can be folded. |
| Connectivity Technology | Wireless | Wireless, wired | |
| Wireless Technology | Bluetooth | Bluetooth | |
| Bluetooth Version | - | Bluetooth 5.2 | |
| Bluetooth Profiles | - | Hands-Free Profile (HFP), Advanced Audio Distribution Profile (A2DP), Audio/Video Remote Control Profile (AVRCP) | |
| Bluetooth Audio Codec | - | SBC, AAC, aptX, aptX Adaptive | |
| Active Noise Cancelling | - | Yes | Sennheiser MOMENTUM 4 are equipped with active noice cancellation. |
| Active Noise Cancelling Technology | - | Adaptive Hybrid ANC | |
| Sound Output Mode | Stereo | Stereo | |
| Sound Effects | - | Signature Sound | |
| Frequency Response | - | 6 - 22000 Hz | |
| Total Harmonic Distortion (THD) | 3% | 0.3% | Sennheiser MOMENTUM 4 have lower total harmonic distortion than EPOS I SENNHEISER C20. |
| Sensitivity | - | 106 dB | |
| Impedance | - | 60 Ohm | |
| Diaphragm | - | 42 mm | |
| Features | EPOS BrainAdapt Technology | Smart Pause, Crystal-clear Calls |
| MICROPHONE | EPOS I SENNHEISER C20 | Sennheiser MOMENTUM 4 |
|---|
| Form Factor | - | Built-in | |
|---|---|---|---|
| Type | Boom | - | |
| Microphone Operation Mode | - | MEMS-directional | |
| Noise Cancelling | - | Yes | Sennheiser MOMENTUM 4 microphone can cancel out ambient noise. |
| Frequency Response | - | 50 - 10000 Hz | |
| Microphones Included | - | 4 |
| REMOTE CONTROL | EPOS I SENNHEISER C20 | Sennheiser MOMENTUM 4 |
|---|
| Controls | - | Volume, play/pause, equaliser preset |
|---|
| CABLE | EPOS I SENNHEISER C20 | Sennheiser MOMENTUM 4 |
|---|
| Cable Type | - | Headphones cable - detachable - L shaped / sub-mini phone 2.5 mm 4-pole - 1.2 m USB-C to USB-A cable - detachable - 1.2 m |
|
|---|---|---|---|
| Cable Length | - | 1.2 m | |
| Detachable Cable | - | Yes |
| FEATURES | EPOS I SENNHEISER C20 | Sennheiser MOMENTUM 4 |
|---|
| Features | - | Transparent Hearing mode, auto power on/off | |
|---|---|---|---|
| Sensors | - | Touch sensor | |
| Additional Functions | - | Smart Touch Control, USB-C charging port |
| BATTERY AND CHARGING | EPOS I SENNHEISER C20 | Sennheiser MOMENTUM 4 |
|---|
| Battery Type | Headset battery rechargeable | Headphone battery rechargeable - Lithium Ion | |
|---|---|---|---|
| Battery Capacity | - | 700 mAh | |
| Battery Life | - | 60 hour(s) | |
| Standby Time | 300 hours | - | |
| Charging Time | 2 hour(s) | 2 hour(s) | The charging of both headphones last the same time. |
| Included Qty | - | 1 |
| CONNECTIONS | EPOS I SENNHEISER C20 | Sennheiser MOMENTUM 4 |
|---|
| Connector Type | - | Headphones (sub-mini phone 2.5 mm 4-pole) USB (24 pin USB-C) |
|---|
| OTHERS | EPOS I SENNHEISER C20 | Sennheiser MOMENTUM 4 |
|---|
| Included Accessories | Carrying case, charging cable, BTD 800 USB dongle | Carrying case, airplane adapter, headphones cable (1.2 m), USB-C charging cable (1.2m) | |
|---|---|---|---|
| Software Included | - | Sennheiser Smart Control | |
| Compliant Standards | - | Bluetooth Class 1 | |
| Service & Support | Limited warranty - 2 years | Limited warranty - 2 years |
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