In depth comparison and review of Sennheiser HMDC 27 and Sony INZONE H9. 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 | Sony INZONE H9 |
|---|
| Product Type | Headset - wired | Headset - Bluetooth / radio - wireless | |
|---|---|---|---|
| Weight | 240 g | 330 g | Sennheiser HMDC 27 are lighter than Sennheiser HMDC 27 headphones. |
| Colour | - | White | |
| Earpad Material | - | Nylon | |
| Recommended Use | Professional audio | Game console, computer | |
| Gaming | - | Yes | |
| Bluetooth Range (Operating Distance) | - | 10 m |
| SOUND QUALITY | Sennheiser HMDC 27 | Sony INZONE H9 |
|---|
| Headphones Form Factor | Full size | Full size | |
|---|---|---|---|
| Headphones Technology | Dynamic | Dynamic | |
| Ear Cups Type | Closed | Closed | |
| Adjustable Headband | - | Yes | |
| Connectivity Technology | Wired | Wireless | |
| Wireless Technology | - | Bluetooth / radio | |
| Bluetooth Version | - | Bluetooth 5.0 | |
| Bluetooth Profiles | - | Hands-Free Profile (HFP), Headset Profile (HSP), Advanced Audio Distribution Profile (A2DP), Audio/Video Remote Control Profile (AVRCP) | |
| Bluetooth Audio Codec | - | SBC, AAC | |
| Active Noise Cancelling | Yes | Yes | Both headphones are equipped with active noice cancellation. |
| Active Noise Cancelling Technology | - | Ambient Sound Mode / Dual Noise Sensor | |
| Sound Output Mode | Stereo | Stereo | |
| Sound Effects | - | Ambient Sound Mode, 360 Spatial Sound for Gaming | |
| Frequency Response | 8 - 18000 Hz | 5 - 20000 Hz | Sony INZONE H9 offer a larger frequency range than Sennheiser HMDC 27. |
| Total Harmonic Distortion (THD) | <0.1% | - | |
| Max Sound Pressure | 128 dB | - | |
| Diaphragm | - | PET - 40 mm | |
| Magnet Material | - | Neodymium | |
| Features | - | Discord Certified |
| MICROPHONE | Sennheiser HMDC 27 | Sony INZONE H9 |
|---|
| Form Factor | - | Headset microphone | |
|---|---|---|---|
| Type | Boom | Boom | |
| Microphone Technology | Dynamic | - | |
| Microphone Operation Mode | Hypercardioid | Bi-directional | |
| Noise Cancelling | - | Yes | Sony INZONE H9 microphone can cancel out ambient noise. |
| Noise Cancelling Technology | - | Dual Noise Sensor Technology | |
| Frequency Response | 40 - 18000 Hz | 100 - 8000 Hz | Sennheiser HMDC 27 offer a larger microphone frequency range than Sony INZONE H9. |
| REMOTE CONTROL | Sennheiser HMDC 27 | Sony INZONE H9 |
|---|
| Controls | - | Power on/off, master volume, game/chat balance, Bluetooth, noise cancelling/ambient sound mode button |
|---|
| CABLE | Sennheiser HMDC 27 | Sony INZONE H9 |
|---|
| Cable Type | - | USB-C charge cable - detachable - 1.5 m |
|---|
| FEATURES | Sennheiser HMDC 27 | Sony INZONE H9 |
|---|
| Features | EPOS ActiveGard | - |
|---|
| BATTERY AND CHARGING | Sennheiser HMDC 27 | Sony INZONE H9 |
|---|
| Battery Type | - | Headset battery rechargeable - Lithium Ion | |
|---|---|---|---|
| Battery Life | - | 32 hour(s) |
| WIRELESS LINK | Sennheiser HMDC 27 | Sony INZONE H9 |
|---|
| Radio Frequency Range | - | 2.4 - 2.4835GHz |
|---|
| CONNECTIONS | Sennheiser HMDC 27 | Sony INZONE H9 |
|---|
| Connector Type | - | USB (power only) (USB Type-C) Bluetooth Wireless adapter (USB Type-A) |
|---|
| OTHERS | Sennheiser HMDC 27 | Sony INZONE H9 |
|---|
| Included Accessories | Wind screen, cable clip, headband padding | Wireless adapter, USB-C charging cable | |
|---|---|---|---|
| Compliant Standards | - | Bluetooth Class 1, JEITA |
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