In depth comparison and review of ASTRO Gaming A20 Wireless Gen 2 and Sennheiser HMDC 27. Compare design, audio features, functions and other important specifications to easily choose the right headphones for you. Our goal is to help you uncover differences between the products and find the headphones that will best fit your needs.
| DESIGN AND DIMENSIONS | ASTRO Gaming A20 Wireless Gen 2 | Sennheiser HMDC 27 |
|---|
| Product Type | Headset - 2.4 GHz - wireless | Headset - wired | |
|---|---|---|---|
| Height | 17.75 cm | - | |
| Width | 26.2 cm | - | |
| Depth | 8.72 cm | - | |
| Weight | 318 g | 240 g | Sennheiser HMDC 27 are lighter than ASTRO Gaming A20 Wireless Gen 2 headphones. |
| Dimensions & Weight Details | Transmitter: 1.96 cm x 6.58 cm x 0.76 cm / 7.1 g | - | |
| Colour | White, green | - | |
| Recommended Use | Game console, computer | Professional audio | |
| Gaming | Yes | - | |
| Bluetooth Range (Operating Distance) | 15 m | - |
| SOUND QUALITY | ASTRO Gaming A20 Wireless Gen 2 | Sennheiser HMDC 27 |
|---|
| Headphones Form Factor | Full size | Full size | |
|---|---|---|---|
| Headphones Technology | Dynamic | Dynamic | |
| Ear Cups Type | - | Closed | |
| Connectivity Technology | Wireless | Wired | |
| Wireless Technology | 2.4 GHz radio frequency | - | |
| Active Noise Cancelling | - | Yes | Sennheiser HMDC 27 are equipped with active noice cancellation. |
| Sound Output Mode | Stereo | Stereo | |
| Frequency Response | 20 - 20000 Hz | 8 - 18000 Hz | ASTRO Gaming A20 Wireless Gen 2 offer a larger frequency range than Sennheiser HMDC 27. |
| Total Harmonic Distortion (THD) | <3% | <0.1% | Sennheiser HMDC 27 have lower total harmonic distortion than ASTRO Gaming A20 Wireless Gen 2. |
| Sensitivity | 100 dB | - | |
| Impedance | 32 Ohm | - | |
| Max Sound Pressure | - | 128 dB | |
| Diaphragm | 40 mm | - | |
| Magnet Material | Neodymium | - |
| MICROPHONE | ASTRO Gaming A20 Wireless Gen 2 | Sennheiser HMDC 27 |
|---|
| Form Factor | Headset microphone | - | |
|---|---|---|---|
| Type | Boom | Boom | |
| Microphone Technology | - | Dynamic | |
| Microphone Operation Mode | Uni-directional | Hypercardioid | |
| Frequency Response | - | 40 - 18000 Hz |
| REMOTE CONTROL | ASTRO Gaming A20 Wireless Gen 2 | Sennheiser HMDC 27 |
|---|
| Controls | Flip-to-mute | - |
|---|
| CABLE | ASTRO Gaming A20 Wireless Gen 2 | Sennheiser HMDC 27 |
|---|
| Cable Type | USB-C to USB-A cable - detachable - 1.5 m | - |
|---|
| FEATURES | ASTRO Gaming A20 Wireless Gen 2 | Sennheiser HMDC 27 |
|---|
| Features | - | EPOS ActiveGard |
|---|
| BATTERY AND CHARGING | ASTRO Gaming A20 Wireless Gen 2 | Sennheiser HMDC 27 |
|---|
| Battery Type | Headset battery rechargeable - lithium polymer | - | |
|---|---|---|---|
| Battery Capacity | 1050 mAh | - | |
| Battery Life | 15 hour(s) | - | |
| Charging Time | 3.5 hour(s) | - | |
| Auto On/Off | Yes | - |
| OTHERS | ASTRO Gaming A20 Wireless Gen 2 | Sennheiser HMDC 27 |
|---|
| Included Accessories | Wireless transmitter | Wind screen, cable clip, headband padding | |
|---|---|---|---|
| Compatibility | Mac, Windows | - |
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