Side by side comparison and review of Sennheiser HD 820 and Sennheiser ACCENTUM Wireless. 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 ACCENTUM Wireless |
|---|
| Product Type | Headphones - wired | Headphones - Bluetooth - wireless | |
|---|---|---|---|
| Weight | 360 g | 222 g | Sennheiser ACCENTUM Wireless are lighter than Sennheiser HD 820 headphones. |
| Colour | - | Black | |
| Earpad Material | Microfibre | - |
| SOUND QUALITY | Sennheiser HD 820 | Sennheiser ACCENTUM Wireless |
|---|
| Headphones Form Factor | Full size | Full size binaural | |
|---|---|---|---|
| Headphones Technology | Dynamic | Dynamic | |
| Ear Cups Type | Closed | - | |
| Adjustable Headband | - | Yes | |
| Connectivity Technology | Wired | Wireless | |
| Wireless Technology | - | Bluetooth | |
| Bluetooth Version | - | Bluetooth 5.2 | |
| Bluetooth Profiles | - | Hands-Free Profile (HFP), Headset Profile (HSP), Advanced Audio Distribution Profile (A2DP), Audio/Video Remote Control Profile (AVRCP), Generic Attribute Profile (GATT) | |
| Bluetooth Audio Codec | - | SBC, AAC, aptX HD, mSBC, CVSD | |
| Active Noise Cancelling | - | Yes | Sennheiser ACCENTUM Wireless are equipped with active noice cancellation. |
| Active Noise Cancelling Technology | - | Hybrid ANC | |
| Noise Isolating | Yes | - | Sennheiser HD 820 are equipped with a noise isolating function. |
| Sound Output Mode | Stereo | Stereo | |
| Frequency Response | 6 - 48000 Hz | 10 - 22000 Hz | Sennheiser HD 820 offer a larger frequency range than Sennheiser ACCENTUM Wireless. |
| Total Harmonic Distortion (THD) | - | 0.3% | |
| Sensitivity | 103 dB/Vrms | 106 dB | Sennheiser ACCENTUM Wireless have higher sensitivity than Sennheiser HD 820. |
| Impedance | 300 Ohm | - | |
| Diaphragm | - | 37 mm |
| MICROPHONE | Sennheiser HD 820 | Sennheiser ACCENTUM Wireless |
|---|
| Form Factor | - | Built-in | |
|---|---|---|---|
| Microphone Operation Mode | - | Beamforming | |
| Frequency Response | - | 50 - 8000 Hz |
| CABLE | Sennheiser HD 820 | Sennheiser ACCENTUM Wireless |
|---|
| Cable Type | Headphones cable - OFC - 3 m | USB-C charge cable - detachable | |
|---|---|---|---|
| Cable Length | 3 m | - | |
| Plated Connector | Gold | - |
| BATTERY AND CHARGING | Sennheiser HD 820 | Sennheiser ACCENTUM Wireless |
|---|
| Battery Type | - | Headphone battery rechargeable - Lithium Ion | |
|---|---|---|---|
| Battery Capacity | - | 800 mAh | |
| Battery Life | - | 50 hour(s) | |
| Charging Time | - | 3 hour(s) |
| WIRELESS LINK | Sennheiser HD 820 | Sennheiser ACCENTUM Wireless |
|---|
| Modulation Type | - | GFSK, 8-DPSK, 4-DQPSK | |
|---|---|---|---|
| Radio Frequency Range | - | 2.402 - 2.480GHz |
| CONNECTIONS | Sennheiser HD 820 | Sennheiser ACCENTUM Wireless |
|---|
| Connector Type | Headphones (phone stereo 6.3 mm) | - |
|---|
| OTHERS | Sennheiser HD 820 | Sennheiser ACCENTUM Wireless |
|---|
| Included Accessories | USB flash drive, microfibre cleaning cloth, 4.4 mm Pentaconn stereo jack plug, XLR-4 connector | - |
|---|
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