Side by side comparison and review of ASTRO A20 and Sennheiser HD 820. 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 | ASTRO A20 | Sennheiser HD 820 |
|---|
| Product Type | Headset - wireless | Headphones - wired | |
|---|---|---|---|
| Weight | 320 g | 360 g | ASTRO A20 are lighter than ASTRO A20 headphones. |
| Colour | Black, green | Navy, Call of Duty | Silver, Call of Duty | Black, blue | - | |
| Earpad Material | - | Microfibre | |
| Headband Material | Steel | - | |
| Recommended Use | Game console, computer | - | |
| Bluetooth Range (Operating Distance) | 9.14 m | - |
| SOUND QUALITY | ASTRO A20 | Sennheiser HD 820 |
|---|
| Headphones Form Factor | Full size | Full size | |
|---|---|---|---|
| Headphones Technology | - | Dynamic | |
| Ear Cups Type | - | Closed | |
| Connectivity Technology | Wireless | Wired | |
| Noise Isolating | - | Yes | Sennheiser HD 820 are equipped with a noise isolating function. |
| Sound Output Mode | Stereo | Stereo | |
| Frequency Response | 20 - 20000 Hz | 6 - 48000 Hz | Sennheiser HD 820 offer a larger frequency range than ASTRO A20. |
| Total Harmonic Distortion (THD) | <3% | - | |
| Sensitivity | 100 dB | 103 dB/Vrms | Sennheiser HD 820 have higher sensitivity than ASTRO A20. |
| Impedance | 32 Ohm | 300 Ohm | |
| Diaphragm | 40 mm | - | |
| Magnet Material | Neodymium | - | |
| In-Cord Volume Control | Yes | - |
| MICROPHONE | ASTRO A20 | Sennheiser HD 820 |
|---|
| Form Factor | Headset microphone | - | |
|---|---|---|---|
| Type | Boom | - | |
| Audio Input Details | Uni-directional | - |
| REMOTE CONTROL | ASTRO A20 | Sennheiser HD 820 |
|---|
| Controls | Volume, power on/off | - |
|---|
| CABLE | ASTRO A20 | Sennheiser HD 820 |
|---|
| Cable Type | Micro-USB cable - detachable - 1 m Audio (optical) cable - detachable - 1 m Micro-USB cable - detachable - 50 cm |
Headphones cable - OFC - 3 m | |
|---|---|---|---|
| Cable Length | 1 m | 3 m | |
| Detachable Cable | Yes | - | |
| Plated Connector | - | Gold |
| BATTERY AND CHARGING | ASTRO A20 | Sennheiser HD 820 |
|---|
| Battery Type | Headset battery rechargeable | - | |
|---|---|---|---|
| Battery Life | 15 hour(s) | - |
| CONNECTIONS | ASTRO A20 | Sennheiser HD 820 |
|---|
| Connector Type | - | Headphones (phone stereo 6.3 mm) |
|---|
| OTHERS | ASTRO A20 | Sennheiser HD 820 |
|---|
| Included Accessories | Wireless transmitter | USB flash drive, microfibre cleaning cloth, 4.4 mm Pentaconn stereo jack plug, XLR-4 connector | |
|---|---|---|---|
| Compatibility | Mac, Windows | - |
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