Side by side comparison and review of Sennheiser HD 820 and Sennheiser HMD 300 PRO. 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 HMD 300 PRO |
|---|
| Product Type | Headphones - wired | Headset - wired | |
|---|---|---|---|
| Weight | 360 g | 319 g | Sennheiser HMD 300 PRO are lighter than Sennheiser HD 820 headphones. |
| Earpad Material | Microfibre | - |
| SOUND QUALITY | Sennheiser HD 820 | Sennheiser HMD 300 PRO |
|---|
| Headphones Form Factor | Full size | Full size | |
|---|---|---|---|
| Headphones Technology | Dynamic | Dynamic | |
| Ear Cups Type | Closed | Closed | |
| Foldable | - | Yes | Sennheiser HMD 300 PRO can be folded. |
| Connectivity Technology | Wired | Wired | |
| Active Noise Cancelling | - | Yes | Sennheiser HMD 300 PRO are equipped with active noice cancellation. |
| Noise Isolating | Yes | - | Sennheiser HD 820 are equipped with a noise isolating function. |
| Sound Output Mode | Stereo | Stereo | |
| Frequency Response | 6 - 48000 Hz | 60 - 25000 Hz | Sennheiser HD 820 offer a larger frequency range than Sennheiser HMD 300 PRO. |
| Max Input Power | - | 500 mW | |
| Total Harmonic Distortion (THD) | - | 0.1% | |
| Sensitivity | 103 dB/Vrms | 108 dB | Sennheiser HMD 300 PRO have higher sensitivity than Sennheiser HD 820. |
| Impedance | 300 Ohm | 64 Ohm | |
| Max Sound Pressure | - | 123 dB |
| MICROPHONE | Sennheiser HD 820 | Sennheiser HMD 300 PRO |
|---|
| Type | - | Boom | |
|---|---|---|---|
| Microphone Technology | - | Dynamic | |
| Microphone Operation Mode | - | Hypercardioid | |
| Frequency Response | - | 80 - 16000 Hz | |
| Sensitivity | - | 0.4 mV/Pascal | |
| Impedance | - | 300 Ohm |
| CABLE | Sennheiser HD 820 | Sennheiser HMD 300 PRO |
|---|
| Cable Type | Headphones cable - OFC - 3 m | - | |
|---|---|---|---|
| Cable Length | 3 m | - | |
| Plated Connector | Gold | - |
| FEATURES | Sennheiser HD 820 | Sennheiser HMD 300 PRO |
|---|
| Features | - | EPOS ActiveGard |
|---|
| CONNECTIONS | Sennheiser HD 820 | Sennheiser HMD 300 PRO |
|---|
| Connector Type | Headphones (phone stereo 6.3 mm) | - |
|---|
| OTHERS | Sennheiser HD 820 | Sennheiser HMD 300 PRO |
|---|
| Included Accessories | USB flash drive, microfibre cleaning cloth, 4.4 mm Pentaconn stereo jack plug, XLR-4 connector | Wind screen |
|---|
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