Side by side comparison and review of Sennheiser HD 820 and Sennheiser MOMENTUM 4. Compare design, sound quality and other key specifications and features to simplify the choice of your perfect headphones. Our goal is to make it easier for you to decide on the headphones that will best meet your expectations by revealing the main differences between the products.
| DESIGN AND DIMENSIONS | Sennheiser HD 820 | Sennheiser MOMENTUM 4 |
|---|
| Product Type | Headphones - wired | Headphones - Bluetooth - wireless, wired - 2.5 mm jack, USB-C | |
|---|---|---|---|
| Height | - | 19.5 cm | |
| Width | - | 18 cm | |
| Depth | - | 4.63 cm | |
| Weight | 360 g | 293 g | Sennheiser MOMENTUM 4 are lighter than Sennheiser HD 820 headphones. |
| Colour | - | Black | White | |
| Earpad Material | Microfibre | Synthetic leather | |
| Recommended Use | - | Portable electronics | |
| High-Resolution Audio | - | Yes |
| SOUND QUALITY | Sennheiser HD 820 | Sennheiser MOMENTUM 4 |
|---|
| Headphones Form Factor | Full size | Full size | |
|---|---|---|---|
| Headphones Technology | Dynamic | Dynamic | |
| Ear Cups Type | Closed | Closed | |
| Adjustable Headband | - | Yes | |
| Foldable | - | Yes | Sennheiser MOMENTUM 4 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 | |
| Noise Isolating | Yes | - | Sennheiser HD 820 are equipped with a noise isolating function. |
| Sound Output Mode | Stereo | Stereo | |
| Sound Effects | - | Signature Sound | |
| Frequency Response | 6 - 48000 Hz | 6 - 22000 Hz | Sennheiser HD 820 offer a larger frequency range than Sennheiser MOMENTUM 4. |
| Total Harmonic Distortion (THD) | - | 0.3% | |
| Sensitivity | 103 dB/Vrms | 106 dB | Sennheiser MOMENTUM 4 have higher sensitivity than Sennheiser HD 820. |
| Impedance | 300 Ohm | 60 Ohm | |
| Diaphragm | - | 42 mm | |
| Features | - | Smart Pause, Crystal-clear Calls |
| MICROPHONE | Sennheiser HD 820 | Sennheiser MOMENTUM 4 |
|---|
| Form Factor | - | Built-in | |
|---|---|---|---|
| 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 | Sennheiser HD 820 | Sennheiser MOMENTUM 4 |
|---|
| Controls | - | Volume, play/pause, equaliser preset |
|---|
| CABLE | Sennheiser HD 820 | Sennheiser MOMENTUM 4 |
|---|
| Cable Type | Headphones cable - OFC - 3 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 | 3 m | 1.2 m | |
| Detachable Cable | - | Yes | |
| Plated Connector | Gold | - |
| FEATURES | Sennheiser HD 820 | 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 | Sennheiser HD 820 | 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 | Sennheiser HD 820 | Sennheiser MOMENTUM 4 |
|---|
| Connector Type | Headphones (phone stereo 6.3 mm) | Headphones (sub-mini phone 2.5 mm 4-pole) USB (24 pin USB-C) |
|---|
| OTHERS | Sennheiser HD 820 | Sennheiser MOMENTUM 4 |
|---|
| Included Accessories | USB flash drive, microfibre cleaning cloth, 4.4 mm Pentaconn stereo jack plug, XLR-4 connector | 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 |
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