In depth comparison and review of Sennheiser HD 400S and Audio-Technica ATH M50xBT2. 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 HD 400S | Audio-Technica ATH M50xBT2 |
|---|
| Product Type | Headphones - wired - 3.5 mm jack | Headphones - Bluetooth - wireless, wired - 3.5 mm jack | |
|---|---|---|---|
| Series | - | M-Series | |
| Weight | 217 g | 307 g | Sennheiser HD 400S are lighter than Sennheiser HD 400S headphones. |
| Colour | Black | Black | |
| Recommended Use | Portable electronics | Portable electronics | |
| Bluetooth Range (Operating Distance) | - | 10 m |
| SOUND QUALITY | Sennheiser HD 400S | Audio-Technica ATH M50xBT2 |
|---|
| Headphones Form Factor | Full size | Full size | |
|---|---|---|---|
| Headphones Technology | Dynamic | Dynamic | |
| Ear Cups Type | Closed | Closed | |
| Adjustable Headband | - | Yes | |
| Foldable | Yes | Yes | Both headphones can be folded. |
| Connectivity Technology | Wired | 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, LDAC | |
| Noise Isolating | Yes | - | Sennheiser HD 400S are equipped with a noise isolating function. |
| Sound Output Mode | Stereo | Stereo | |
| Frequency Response | 18 - 20000 Hz | 15 - 28000 Hz | Audio-Technica ATH M50xBT2 offer a larger frequency range than Sennheiser HD 400S. |
| Total Harmonic Distortion (THD) | 0.5% | - | |
| Sensitivity | - | 99 dB/mW | |
| Impedance | 18 Ohm | 38 Ohm | |
| Max Sound Pressure | 120 dB | - | |
| Diaphragm | - | 45 mm | |
| Features | - | MultiPoint Technology, Low Latency Mode, Google Fast Pair |
| MICROPHONE | Sennheiser HD 400S | Audio-Technica ATH M50xBT2 |
|---|
| Form Factor | - | Built-in | |
|---|---|---|---|
| Type | On-cable | - | |
| Microphone Operation Mode | - | Omni-directional, beamforming | |
| Frequency Response | 100 - 10000 Hz | 85 - 15000 Hz | Audio-Technica ATH M50xBT2 offer a larger microphone frequency range than Sennheiser HD 400S. |
| Sensitivity | - | -38 dBV/Pascal | |
| Microphones Included | - | 2 |
| REMOTE CONTROL | Sennheiser HD 400S | Audio-Technica ATH M50xBT2 |
|---|
| Controls | Answer/end, play/pause, next/previous track | Mute, volume, power on/off, status indicator, answer/end, play/pause, next/previous track, voice assistant |
|---|
| CABLE | Sennheiser HD 400S | Audio-Technica ATH M50xBT2 |
|---|
| Cable Type | Headphones cable - detachable - L shaped / mini-phone stereo 3.5 mm - 1.4 m | Headphones cable - detachable - L shaped - 1.2 m USB-C charge cable - detachable - 30 cm |
|
|---|---|---|---|
| Cable Length | 1.4 m | 1.2 m | |
| Detachable Cable | Yes | Yes | |
| Plated Connector | - | Gold |
| FEATURES | Sennheiser HD 400S | Audio-Technica ATH M50xBT2 |
|---|
| Features | - | Fast charge | |
|---|---|---|---|
| Internet of Things (IoT) Compatible | - | Yes | |
| Intelligent Assistant | - | Siri, Google Assistant, Alexa built-in | |
| Additional Functions | - | Amplifier |
| BATTERY AND CHARGING | Sennheiser HD 400S | Audio-Technica ATH M50xBT2 |
|---|
| Battery Type | - | Headphone battery rechargeable - lithium polymer | |
|---|---|---|---|
| Battery Life | - | 50 hour(s) | |
| Charging Time | - | 3.5 hour(s) |
| WIRELESS LINK | Sennheiser HD 400S | Audio-Technica ATH M50xBT2 |
|---|
| Radio Transmitter Power | - | 5.1 mW |
|---|
| CONNECTIONS | Sennheiser HD 400S | Audio-Technica ATH M50xBT2 |
|---|
| Connector Type | Headphones (mini-phone stereo 3.5 mm) | Headphones (mini-phone stereo 3.5 mm) |
|---|
| OTHERS | Sennheiser HD 400S | Audio-Technica ATH M50xBT2 |
|---|
| Included Accessories | - | Protective pouch, USB-C charging cable | |
|---|---|---|---|
| Compatibility | - | iPhone, Android phone, Android tablet | |
| Compliant Standards | - | RSS-102, FCC Part 15, CAN ICES-3(B)/NMB3(B) | |
| Service & Support | Limited warranty - 2 years | - |
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