In depth comparison and review of EPOS I SENNHEISER ADAPT 135 USB II 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 | EPOS I SENNHEISER ADAPT 135 USB II | Audio-Technica ATH M50xBT2 |
|---|
| Product Type | Headset - wired - USB, 3.5 mm jack | Headphones - Bluetooth - wireless, wired - 3.5 mm jack | |
|---|---|---|---|
| Series | ADAPT 100 Series | M-Series | |
| Weight | 145.3 g | 307 g | EPOS I SENNHEISER ADAPT 135 USB II are lighter than EPOS I SENNHEISER ADAPT 135 USB II headphones. |
| Colour | Black | Black | |
| Earpad Material | Leatherette | - | |
| Recommended Use | Portable electronics, computer | Portable electronics | |
| Bluetooth Range (Operating Distance) | - | 10 m |
| SOUND QUALITY | EPOS I SENNHEISER ADAPT 135 USB II | Audio-Technica ATH M50xBT2 |
|---|
| Headphones Form Factor | On-ear | Full size | |
|---|---|---|---|
| Headphones Technology | Dynamic | Dynamic | |
| Ear Cups Type | - | Closed | |
| Adjustable Headband | - | Yes | |
| Foldable | - | Yes | Audio-Technica ATH M50xBT2 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 | |
| Sound Output Mode | Stereo | Stereo | |
| Sound Effects | EPOS Voice | - | |
| Frequency Response | 20 - 20000 Hz | 15 - 28000 Hz | Audio-Technica ATH M50xBT2 offer a larger frequency range than EPOS I SENNHEISER ADAPT 135 USB II. |
| Sensitivity | - | 99 dB/mW | |
| Impedance | - | 38 Ohm | |
| Max Sound Pressure | 115 dB | - | |
| Diaphragm | - | 45 mm | |
| Magnet Material | Neodymium | - | |
| Features | - | MultiPoint Technology, Low Latency Mode, Google Fast Pair | |
| In-Cord Volume Control | Yes | - |
| MICROPHONE | EPOS I SENNHEISER ADAPT 135 USB II | Audio-Technica ATH M50xBT2 |
|---|
| Form Factor | - | Built-in | |
|---|---|---|---|
| Type | Boom | - | |
| Microphone Operation Mode | Mono | Omni-directional, beamforming | |
| Noise Cancelling | Yes | - | EPOS I SENNHEISER ADAPT 135 USB II microphone can cancel out ambient noise. |
| Frequency Response | 100 - 8000 Hz | 85 - 15000 Hz | Audio-Technica ATH M50xBT2 offer a larger microphone frequency range than EPOS I SENNHEISER ADAPT 135 USB II. |
| Sensitivity | - | -38 dBV/Pascal | |
| Microphones Included | - | 2 |
| REMOTE CONTROL | EPOS I SENNHEISER ADAPT 135 USB II | Audio-Technica ATH M50xBT2 |
|---|
| Controls | Volume, answer/end | Mute, volume, power on/off, status indicator, answer/end, play/pause, next/previous track, voice assistant |
|---|
| CABLE | EPOS I SENNHEISER ADAPT 135 USB II | Audio-Technica ATH M50xBT2 |
|---|
| Cable Type | Headset cable | Headphones cable - detachable - L shaped - 1.2 m USB-C charge cable - detachable - 30 cm |
|
|---|---|---|---|
| Cable Length | - | 1.2 m | |
| Detachable Cable | - | Yes | |
| Plated Connector | - | Gold |
| FEATURES | EPOS I SENNHEISER ADAPT 135 USB II | Audio-Technica ATH M50xBT2 |
|---|
| Features | EPOS ActiveGard | Fast charge | |
|---|---|---|---|
| Internet of Things (IoT) Compatible | - | Yes | |
| Intelligent Assistant | - | Siri, Google Assistant, Alexa built-in | |
| Additional Functions | - | Amplifier |
| BATTERY AND CHARGING | EPOS I SENNHEISER ADAPT 135 USB II | Audio-Technica ATH M50xBT2 |
|---|
| Battery Type | - | Headphone battery rechargeable - lithium polymer | |
|---|---|---|---|
| Battery Life | - | 50 hour(s) | |
| Charging Time | - | 3.5 hour(s) |
| WIRELESS LINK | EPOS I SENNHEISER ADAPT 135 USB II | Audio-Technica ATH M50xBT2 |
|---|
| Radio Transmitter Power | - | 5.1 mW |
|---|
| CONNECTIONS | EPOS I SENNHEISER ADAPT 135 USB II | Audio-Technica ATH M50xBT2 |
|---|
| Connector Type | Headset (USB Type-A) Headset (mini-phone 3.5mm) |
Headphones (mini-phone stereo 3.5 mm) |
|---|
| OTHERS | EPOS I SENNHEISER ADAPT 135 USB II | Audio-Technica ATH M50xBT2 |
|---|
| Included Accessories | - | Protective pouch, USB-C charging cable | |
|---|---|---|---|
| Compatibility | - | iPhone, Android phone, Android tablet | |
| Software Certification | Optimised for UC | - | |
| Compliant Standards | - | RSS-102, FCC Part 15, CAN ICES-3(B)/NMB3(B) | |
| Service & Support | Limited warranty - 2 years | - |
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