Detailed comparison and review of Sennheiser HD 559 and ASTRO A20. With our comprehensive overview, you can simply compare design, sound quality, but also other key features of both headphones and easily decide which ones are the right choice for you. Our goal is to help you identify the main differences between products and find the headphones that best fit your needs and expectations.
| DESIGN AND DIMENSIONS | Sennheiser HD 559 | ASTRO A20 |
|---|
| Product Type | Headphones - wired | Headset - wireless | |
|---|---|---|---|
| Series | HD 5 | - | |
| Weight | - | 320 g | |
| Colour | Black | Black, green | Navy, Call of Duty | Silver, Call of Duty | Black, blue | |
| Headband Material | - | Steel | |
| Recommended Use | - | Game console, computer | |
| Bluetooth Range (Operating Distance) | - | 9.14 m |
| SOUND QUALITY | Sennheiser HD 559 | ASTRO A20 |
|---|
| Headphones Form Factor | Full size | Full size | |
|---|---|---|---|
| Headphones Technology | Dynamic | - | |
| Ear Cups Type | Open | - | |
| Connectivity Technology | Wired | Wireless | |
| Sound Output Mode | Stereo | Stereo | |
| Frequency Response | 14 - 26000 Hz | 20 - 20000 Hz | Sennheiser HD 559 offer a larger frequency range than ASTRO A20. |
| Total Harmonic Distortion (THD) | 0.2% | <3% | Sennheiser HD 559 have lower total harmonic distortion than Sennheiser HD 559. |
| Sensitivity | 108 dB/Vrms | 100 dB | Sennheiser HD 559 have higher sensitivity than ASTRO A20. |
| Impedance | 50 Ohm | 32 Ohm | |
| Diaphragm | - | 40 mm | |
| Magnet Material | - | Neodymium | |
| In-Cord Volume Control | - | Yes |
| MICROPHONE | Sennheiser HD 559 | ASTRO A20 |
|---|
| Form Factor | - | Headset microphone | |
|---|---|---|---|
| Type | - | Boom | |
| Audio Input Details | - | Uni-directional |
| REMOTE CONTROL | Sennheiser HD 559 | ASTRO A20 |
|---|
| Controls | - | Volume, power on/off |
|---|
| CABLE | Sennheiser HD 559 | ASTRO A20 |
|---|
| Cable Type | Headphones cable - 3 m | Micro-USB cable - detachable - 1 m Audio (optical) cable - detachable - 1 m Micro-USB cable - detachable - 50 cm |
|
|---|---|---|---|
| Cable Length | 3 m | 1 m | |
| Detachable Cable | Yes | Yes |
| BATTERY AND CHARGING | Sennheiser HD 559 | ASTRO A20 |
|---|
| Battery Type | - | Headset battery rechargeable | |
|---|---|---|---|
| Battery Life | - | 15 hour(s) |
| CONNECTIONS | Sennheiser HD 559 | ASTRO A20 |
|---|
| Connector Type | Headphones (phone stereo 6.3 mm) | - |
|---|
| OTHERS | Sennheiser HD 559 | ASTRO A20 |
|---|
| Included Accessories | - | Wireless transmitter | |
|---|---|---|---|
| Compatibility | - | Mac, Windows |
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