In depth comparison and review of Audio-Technica ATH SR50BT 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 | Audio-Technica ATH SR50BT | Sennheiser HMDC 27 |
|---|
| Product Type | Headphones - Bluetooth - wireless - 3.5 mm jack | Headset - wired | |
|---|---|---|---|
| Weight | 180 g | 240 g | Audio-Technica ATH SR50BT are lighter than Audio-Technica ATH SR50BT headphones. |
| Colour | Black | Brown-grey | - | |
| Earpad Material | Memory foam | - | |
| Recommended Use | - | Professional audio | |
| Bluetooth Range (Operating Distance) | 10 m | - |
| SOUND QUALITY | Audio-Technica ATH SR50BT | Sennheiser HMDC 27 |
|---|
| Headphones Form Factor | Full size | Full size | |
|---|---|---|---|
| Headphones Technology | Dynamic | Dynamic | |
| Ear Cups Type | Closed | Closed | |
| Foldable | Yes | - | Audio-Technica ATH SR50BT can be folded. |
| Connectivity Technology | Wireless | Wired | |
| Wireless Technology | Bluetooth | - | |
| 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, aptX | - | |
| Active Noise Cancelling | - | Yes | Sennheiser HMDC 27 are equipped with active noice cancellation. |
| Noise Isolating | Yes | - | Audio-Technica ATH SR50BT are equipped with a noise isolating function. |
| Sound Output Mode | Stereo | Stereo | |
| Frequency Response | 5 - 40000 Hz | 8 - 18000 Hz | Audio-Technica ATH SR50BT offer a larger frequency range than Sennheiser HMDC 27. |
| Max Input Power | 1500 mW | - | |
| Total Harmonic Distortion (THD) | - | <0.1% | |
| Sensitivity | 98 dB/mW | - | |
| Max Sound Pressure | - | 128 dB | |
| Diaphragm | 45 mm | - | |
| In-Cord Volume Control | Yes | - |
| MICROPHONE | Audio-Technica ATH SR50BT | Sennheiser HMDC 27 |
|---|
| Type | On-cable | Boom | |
|---|---|---|---|
| Microphone Technology | Electret condenser | Dynamic | |
| Microphone Operation Mode | Omni-directional | Hypercardioid | |
| Frequency Response | 50 - 4000 Hz | 40 - 18000 Hz | Sennheiser HMDC 27 offer a larger microphone frequency range than Audio-Technica ATH SR50BT. |
| Sensitivity | -40 dB | - |
| REMOTE CONTROL | Audio-Technica ATH SR50BT | Sennheiser HMDC 27 |
|---|
| Controls | Volume | - |
|---|
| CABLE | Audio-Technica ATH SR50BT | Sennheiser HMDC 27 |
|---|
| Cable Type | Headphones cable - detachable - L shaped - 1.2 m USB charge cable - detachable |
- | |
|---|---|---|---|
| Cable Length | 1.2 m | - | |
| Detachable Cable | Yes | - |
| FEATURES | Audio-Technica ATH SR50BT | Sennheiser HMDC 27 |
|---|
| Features | - | EPOS ActiveGard |
|---|
| BATTERY AND CHARGING | Audio-Technica ATH SR50BT | Sennheiser HMDC 27 |
|---|
| Battery Type | Headphone battery rechargeable - lithium polymer | - | |
|---|---|---|---|
| Battery Life | 25 hour(s) | - | |
| Standby Time | 1000 hours | - | |
| Charging Time | 5 hour(s) | - |
| CONNECTIONS | Audio-Technica ATH SR50BT | Sennheiser HMDC 27 |
|---|
| Connector Type | Headphones (mini-phone stereo 3.5 mm 4-pole) | - |
|---|
| OTHERS | Audio-Technica ATH SR50BT | Sennheiser HMDC 27 |
|---|
| Included Accessories | - | Wind screen, cable clip, headband padding | |
|---|---|---|---|
| Service & Support | Limited warranty - 2 years | - |
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