Side by side comparison and review of Audio-Technica ATH SR50BT and EPOS I SENNHEISER ADAPT 135 USB II. Compare design, sound quality and other key specifications and features to simplify the choice of your perfect headphones. Our goal is to make it easier for you to decide on the headphones that will best meet your expectations by revealing the main differences between the products.
| DESIGN AND DIMENSIONS | Audio-Technica ATH SR50BT | EPOS I SENNHEISER ADAPT 135 USB II |
|---|
| Product Type | Headphones - Bluetooth - wireless - 3.5 mm jack | Headset - wired - USB, 3.5 mm jack | |
|---|---|---|---|
| Series | - | ADAPT 100 Series | |
| Weight | 180 g | 145.3 g | EPOS I SENNHEISER ADAPT 135 USB II are lighter than Audio-Technica ATH SR50BT headphones. |
| Colour | Black | Brown-grey | Black | |
| Earpad Material | Memory foam | Leatherette | |
| Recommended Use | - | Portable electronics, computer | |
| Bluetooth Range (Operating Distance) | 10 m | - |
| SOUND QUALITY | Audio-Technica ATH SR50BT | EPOS I SENNHEISER ADAPT 135 USB II |
|---|
| Headphones Form Factor | Full size | On-ear | |
|---|---|---|---|
| Headphones Technology | Dynamic | Dynamic | |
| Ear Cups Type | 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 | - | |
| Noise Isolating | Yes | - | Audio-Technica ATH SR50BT are equipped with a noise isolating function. |
| Sound Output Mode | Stereo | Stereo | |
| Sound Effects | - | EPOS Voice | |
| Frequency Response | 5 - 40000 Hz | 20 - 20000 Hz | Audio-Technica ATH SR50BT offer a larger frequency range than EPOS I SENNHEISER ADAPT 135 USB II. |
| Max Input Power | 1500 mW | - | |
| Sensitivity | 98 dB/mW | - | |
| Max Sound Pressure | - | 115 dB | |
| Diaphragm | 45 mm | - | |
| Magnet Material | - | Neodymium | |
| In-Cord Volume Control | Yes | Yes |
| MICROPHONE | Audio-Technica ATH SR50BT | EPOS I SENNHEISER ADAPT 135 USB II |
|---|
| Type | On-cable | Boom | |
|---|---|---|---|
| Microphone Technology | Electret condenser | - | |
| Microphone Operation Mode | Omni-directional | Mono | |
| Noise Cancelling | - | Yes | EPOS I SENNHEISER ADAPT 135 USB II microphone can cancel out ambient noise. |
| Frequency Response | 50 - 4000 Hz | 100 - 8000 Hz | EPOS I SENNHEISER ADAPT 135 USB II offer a larger microphone frequency range than Audio-Technica ATH SR50BT. |
| Sensitivity | -40 dB | - |
| REMOTE CONTROL | Audio-Technica ATH SR50BT | EPOS I SENNHEISER ADAPT 135 USB II |
|---|
| Controls | Volume | Volume, answer/end |
|---|
| CABLE | Audio-Technica ATH SR50BT | EPOS I SENNHEISER ADAPT 135 USB II |
|---|
| Cable Type | Headphones cable - detachable - L shaped - 1.2 m USB charge cable - detachable |
Headset cable | |
|---|---|---|---|
| Cable Length | 1.2 m | - | |
| Detachable Cable | Yes | - |
| FEATURES | Audio-Technica ATH SR50BT | EPOS I SENNHEISER ADAPT 135 USB II |
|---|
| Features | - | EPOS ActiveGard |
|---|
| BATTERY AND CHARGING | Audio-Technica ATH SR50BT | EPOS I SENNHEISER ADAPT 135 USB II |
|---|
| 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 | EPOS I SENNHEISER ADAPT 135 USB II |
|---|
| Connector Type | Headphones (mini-phone stereo 3.5 mm 4-pole) | Headset (USB Type-A) Headset (mini-phone 3.5mm) |
|---|
| OTHERS | Audio-Technica ATH SR50BT | EPOS I SENNHEISER ADAPT 135 USB II |
|---|
| Software Certification | - | Optimised for UC | |
|---|---|---|---|
| Service & Support | Limited warranty - 2 years | Limited warranty - 2 years |
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