In depth comparison and review of Sennheiser HMDC 27 and ASTRO Gaming A40 TR. 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 | Sennheiser HMDC 27 | ASTRO Gaming A40 TR |
|---|
| Product Type | Headset - wired | Headset - wired - 3.5 mm jack | |
|---|---|---|---|
| Height | - | 9.52 cm | |
| Width | - | 19.68 cm | |
| Depth | - | 20.32 cm | |
| Weight | 240 g | 369 g | Sennheiser HMDC 27 are lighter than Sennheiser HMDC 27 headphones. |
| Colour | - | Black | |
| Earpad Material | - | Synthetic leather | |
| Recommended Use | Professional audio | Game console, portable electronics, computer | |
| Gaming | - | Yes |
| SOUND QUALITY | Sennheiser HMDC 27 | ASTRO Gaming A40 TR |
|---|
| Headphones Form Factor | Full size | Full size | |
|---|---|---|---|
| Headphones Technology | Dynamic | Dynamic | |
| Ear Cups Type | Closed | Open | |
| Connectivity Technology | Wired | Wired | |
| Active Noise Cancelling | Yes | - | Sennheiser HMDC 27 are equipped with active noice cancellation. |
| Noise Isolating | - | Yes | ASTRO Gaming A40 TR are equipped with a noise isolating function. |
| Sound Output Mode | Stereo | Stereo | |
| Frequency Response | 8 - 18000 Hz | 20 - 20000 Hz | ASTRO Gaming A40 TR offer a larger frequency range than Sennheiser HMDC 27. |
| Total Harmonic Distortion (THD) | <0.1% | <0.1% | Both headphones have the same total harmonic distortion. |
| Impedance | - | 48 Ohm | |
| Max Sound Pressure | 128 dB | - | |
| Diaphragm | - | 40 mm |
| MICROPHONE | Sennheiser HMDC 27 | ASTRO Gaming A40 TR |
|---|
| Form Factor | - | Detachable headset microphone | |
|---|---|---|---|
| Type | Boom | Boom | |
| Microphone Technology | Dynamic | - | |
| Microphone Operation Mode | Hypercardioid | Uni-directional | |
| Frequency Response | 40 - 18000 Hz | - |
| REMOTE CONTROL | Sennheiser HMDC 27 | ASTRO Gaming A40 TR |
|---|
| Controls | - | Mute |
|---|
| CABLE | Sennheiser HMDC 27 | ASTRO Gaming A40 TR |
|---|
| Cable Type | - | Headset cable - detachable - 2 m Audio splitter cable - detachable - 1.5 m |
|
|---|---|---|---|
| Cable Length | - | 2 m | |
| Detachable Cable | - | Yes |
| FEATURES | Sennheiser HMDC 27 | ASTRO Gaming A40 TR |
|---|
| Features | EPOS ActiveGard | - |
|---|
| CONNECTIONS | Sennheiser HMDC 27 | ASTRO Gaming A40 TR |
|---|
| Connector Type | - | Headset (mini-phone stereo 3.5 mm) |
|---|
| OTHERS | Sennheiser HMDC 27 | ASTRO Gaming A40 TR |
|---|
| Bundled with | - | Astro MixAmp Pro TR | |
|---|---|---|---|
| Included Accessories | Wind screen, cable clip, headband padding | Detachable microphone, 2 speaker tags | |
| Compatibility | - | Mac, Windows | |
| Service & Support | - | Limited warranty - 1 year |
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