In depth comparison and review of Sennheiser HMDC 27 and Bowers & Wilkins PX7 S2. 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 | Bowers & Wilkins PX7 S2 |
|---|
| Product Type | Headset - wired | Headphones - Bluetooth - wireless, wired - USB-C | |
|---|---|---|---|
| Weight | 240 g | 307 g | Sennheiser HMDC 27 are lighter than Sennheiser HMDC 27 headphones. |
| Dimensions & Weight Details | - | Case: 18.9 cm x 6.3 cm x 23.3 cm | |
| Colour | - | Black | |
| Earpad Material | - | Memory foam | |
| Recommended Use | Professional audio | - |
| SOUND QUALITY | Sennheiser HMDC 27 | Bowers & Wilkins PX7 S2 |
|---|
| Headphones Form Factor | Full size | Full size | |
|---|---|---|---|
| Headphones Technology | Dynamic | Dynamic | |
| Ear Cups Type | Closed | - | |
| Connectivity Technology | Wired | Wireless, wired | |
| Wireless Technology | - | Bluetooth | |
| Bluetooth Version | - | Bluetooth 5.2 | |
| Bluetooth Profiles | - | Hands-Free Profile (HFP), Headset Profile (HSP), Advanced Audio Distribution Profile (A2DP), Audio/Video Remote Control Profile (AVRCP), Generic Attribute Profile (GATT) | |
| Bluetooth Audio Codec | - | SBC, AAC, aptX, aptX HD, aptX Adaptive | |
| Active Noise Cancelling | Yes | Yes | Both headphones are equipped with active noice cancellation. |
| Active Noise Cancelling Technology | - | Hybrid Active Noise Cancelling | |
| Sound Output Mode | Stereo | - | |
| Frequency Response | 8 - 18000 Hz | - | |
| Total Harmonic Distortion (THD) | <0.1% | - | |
| Max Sound Pressure | 128 dB | - | |
| Diaphragm | - | Bio-cellulose - 40 mm | |
| Features | - | Ambient Pass-Through |
| MICROPHONE | Sennheiser HMDC 27 | Bowers & Wilkins PX7 S2 |
|---|
| Form Factor | - | Built-in | |
|---|---|---|---|
| Type | Boom | - | |
| Microphone Technology | Dynamic | - | |
| Microphone Operation Mode | Hypercardioid | - | |
| Noise Cancelling | - | Yes | Bowers & Wilkins PX7 S2 microphone can cancel out ambient noise. |
| Frequency Response | 40 - 18000 Hz | - | |
| Microphones Included | - | 6 |
| CABLE | Sennheiser HMDC 27 | Bowers & Wilkins PX7 S2 |
|---|
| Cable Type | - | USB-C to mini-phone 3.5 mm cable - detachable - 1.2 m USB-C to USB-C cable - detachable - 1.2 m |
|
|---|---|---|---|
| Cable Length | - | 1.2 m | |
| Detachable Cable | - | Yes |
| FEATURES | Sennheiser HMDC 27 | Bowers & Wilkins PX7 S2 |
|---|
| Features | EPOS ActiveGard | Wear detection |
|---|
| BATTERY AND CHARGING | Sennheiser HMDC 27 | Bowers & Wilkins PX7 S2 |
|---|
| Battery Type | - | Headphone battery rechargeable - Lithium Ion | |
|---|---|---|---|
| Battery Life | - | 30 hour(s) | |
| Battery Life Details | - | Continuous playback: up to 30 hours Continuous playback (with 15 min charge): up to 7 hours |
|
| Charging Time | - | 2 hour(s) |
| CONNECTIONS | Sennheiser HMDC 27 | Bowers & Wilkins PX7 S2 |
|---|
| Connector Type | - | Headphones (24 pin USB-C) |
|---|
| OTHERS | Sennheiser HMDC 27 | Bowers & Wilkins PX7 S2 |
|---|
| Included Accessories | Wind screen, cable clip, headband padding | Carrying case, 3.5 mm to USB-C cable, USB-C to USB-C cable | |
|---|---|---|---|
| Service & Support | - | Limited warranty - 2 years |
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