In depth comparison and review of EPOS I SENNHEISER ADAPT 165 II 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 ADAPT 165 II | Sennheiser MOMENTUM 4 |
|---|
| Product Type | Headset - wired - 3.5 mm jack | Headphones - Bluetooth - wireless, wired - 2.5 mm jack, USB-C | |
|---|---|---|---|
| Series | ADAPT 100 Series | - | |
| Height | - | 19.5 cm | |
| Width | - | 18 cm | |
| Depth | - | 4.63 cm | |
| Weight | 145.3 g | 293 g | EPOS I SENNHEISER ADAPT 165 II are lighter than EPOS I SENNHEISER ADAPT 165 II headphones. |
| Colour | Black | Black | White | |
| Earpad Material | Leatherette | Synthetic leather | |
| Recommended Use | Portable electronics, computer | Portable electronics | |
| High-Resolution Audio | - | Yes |
| SOUND QUALITY | EPOS I SENNHEISER ADAPT 165 II | Sennheiser MOMENTUM 4 |
|---|
| Headphones Form Factor | On-ear | Full size | |
|---|---|---|---|
| Headphones Technology | Dynamic | Dynamic | |
| Ear Cups Type | - | Closed | |
| Adjustable Headband | - | Yes | |
| Foldable | Yes | Yes | Both headphones can be folded. |
| Connectivity Technology | Wired | Wireless, wired | |
| Wireless Technology | - | 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 | EPOS Voice | Signature Sound | |
| Frequency Response | 20 - 20000 Hz | 6 - 22000 Hz | Sennheiser MOMENTUM 4 offer a larger frequency range than EPOS I SENNHEISER ADAPT 165 II. |
| Total Harmonic Distortion (THD) | 55% | 0.3% | Sennheiser MOMENTUM 4 have lower total harmonic distortion than EPOS I SENNHEISER ADAPT 165 II. |
| Sensitivity | - | 106 dB | |
| Impedance | - | 60 Ohm | |
| Max Sound Pressure | 115 dB | - | |
| Diaphragm | - | 42 mm | |
| Magnet Material | Neodymium | - | |
| Features | - | Smart Pause, Crystal-clear Calls |
| MICROPHONE | EPOS I SENNHEISER ADAPT 165 II | Sennheiser MOMENTUM 4 |
|---|
| Form Factor | - | Built-in | |
|---|---|---|---|
| Type | Boom | - | |
| Microphone Operation Mode | - | MEMS-directional | |
| Noise Cancelling | Yes | Yes | The microphones on both headphones can cancel out ambient noise. |
| Frequency Response | 100 - 8000 Hz | 50 - 10000 Hz | Sennheiser MOMENTUM 4 offer a larger microphone frequency range than EPOS I SENNHEISER ADAPT 165 II. |
| Microphones Included | - | 4 |
| REMOTE CONTROL | EPOS I SENNHEISER ADAPT 165 II | Sennheiser MOMENTUM 4 |
|---|
| Controls | - | Volume, play/pause, equaliser preset |
|---|
| CABLE | EPOS I SENNHEISER ADAPT 165 II | Sennheiser MOMENTUM 4 |
|---|
| Cable Type | Headset cable - 1.12 m | 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 | 1.12 m | 1.2 m | |
| Detachable Cable | - | Yes |
| FEATURES | EPOS I SENNHEISER ADAPT 165 II | Sennheiser MOMENTUM 4 |
|---|
| Features | EPOS ActiveGard | 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 ADAPT 165 II | Sennheiser MOMENTUM 4 |
|---|
| Battery Type | - | Headphone battery rechargeable - Lithium Ion | |
|---|---|---|---|
| Battery Capacity | - | 700 mAh | |
| Battery Life | - | 60 hour(s) | |
| Charging Time | - | 2 hour(s) | |
| Included Qty | - | 1 |
| CONNECTIONS | EPOS I SENNHEISER ADAPT 165 II | Sennheiser MOMENTUM 4 |
|---|
| Connector Type | Headset (mini-phone 3.5mm) | Headphones (sub-mini phone 2.5 mm 4-pole) USB (24 pin USB-C) |
|---|
| OTHERS | EPOS I SENNHEISER ADAPT 165 II | Sennheiser MOMENTUM 4 |
|---|
| Included Accessories | - | 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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