In depth comparison and review of EPOS I SENNHEISER IMPACT MB 660 UC and Audio-Technica ATH SR50BT. 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 IMPACT MB 660 UC | Audio-Technica ATH SR50BT |
|---|
| Product Type | Headset - Bluetooth - wireless - NFC - USB, 3.5 mm jack | Headphones - Bluetooth - wireless - 3.5 mm jack | |
|---|---|---|---|
| Weight | 227 g | 180 g | Audio-Technica ATH SR50BT are lighter than EPOS I SENNHEISER IMPACT MB 660 UC headphones. |
| Colour | - | Black | Brown-grey | |
| Earpad Material | - | Memory foam | |
| Recommended Use | Portable electronics, computer | - | |
| Bluetooth Range (Operating Distance) | 25 m | 10 m | EPOS I SENNHEISER IMPACT MB 660 UC have a greater operating distance than Audio-Technica ATH SR50BT. |
| SOUND QUALITY | EPOS I SENNHEISER IMPACT MB 660 UC | Audio-Technica ATH SR50BT |
|---|
| Headphones Form Factor | Full size | Full size | |
|---|---|---|---|
| Headphones Technology | Dynamic | Dynamic | |
| Ear Cups Type | Closed | Closed | |
| Foldable | Yes | Yes | Both headphones can be folded. |
| Connectivity Technology | Wireless | Wireless | |
| Wireless Technology | Bluetooth | Bluetooth | |
| Bluetooth Version | Bluetooth 4.2 | Bluetooth 5.0 | Audio-Technica ATH SR50BT have a more advanced version of Bluetooth than EPOS I SENNHEISER IMPACT MB 660 UC. |
| Bluetooth Profiles | Hands-Free Profile (HFP), Headset Profile (HSP), Advanced Audio Distribution Profile (A2DP), Audio/Video Remote Control Profile (AVRCP), Device ID Profile (DIP) | Hands-Free Profile (HFP), Headset Profile (HSP), Advanced Audio Distribution Profile (A2DP), Audio/Video Remote Control Profile (AVRCP) | |
| Bluetooth Audio Codec | SBC, aptX | SBC, AAC, aptX | |
| Active Noise Cancelling | Yes | - | EPOS I SENNHEISER IMPACT MB 660 UC are equipped with active noice cancellation. |
| Active Noise Cancelling Technology | NoiseGard active noise compensation | - | |
| Noise Isolating | - | Yes | Audio-Technica ATH SR50BT are equipped with a noise isolating function. |
| Sound Output Mode | Stereo | Stereo | |
| Frequency Response | 17 - 23000 Hz | 5 - 40000 Hz | Audio-Technica ATH SR50BT offer a larger frequency range than EPOS I SENNHEISER IMPACT MB 660 UC. |
| Max Input Power | - | 1500 mW | |
| Total Harmonic Distortion (THD) | <0.5% | - | |
| Sensitivity | 118 dB | 98 dB/mW | EPOS I SENNHEISER IMPACT MB 660 UC have higher sensitivity than Audio-Technica ATH SR50BT. |
| Impedance | 46 Ohm | - | |
| Diaphragm | - | 45 mm | |
| In-Cord Volume Control | - | Yes |
| MICROPHONE | EPOS I SENNHEISER IMPACT MB 660 UC | Audio-Technica ATH SR50BT |
|---|
| Form Factor | Built-in | - | |
|---|---|---|---|
| Type | - | On-cable | |
| Microphone Technology | - | Electret condenser | |
| Microphone Operation Mode | - | Omni-directional | |
| Frequency Response | 150 - 6800 Hz | 50 - 4000 Hz | EPOS I SENNHEISER IMPACT MB 660 UC offer a larger microphone frequency range than Audio-Technica ATH SR50BT. |
| Sensitivity | - | -40 dB | |
| Microphones Included | 3 | - |
| REMOTE CONTROL | EPOS I SENNHEISER IMPACT MB 660 UC | Audio-Technica ATH SR50BT |
|---|
| Controls | - | Volume |
|---|
| CABLE | EPOS I SENNHEISER IMPACT MB 660 UC | Audio-Technica ATH SR50BT |
|---|
| Cable Type | Audio cable Micro-USB cable |
Headphones cable - detachable - L shaped - 1.2 m USB charge cable - detachable |
|
|---|---|---|---|
| Cable Length | - | 1.2 m | |
| Detachable Cable | - | Yes |
| BATTERY AND CHARGING | EPOS I SENNHEISER IMPACT MB 660 UC | Audio-Technica ATH SR50BT |
|---|
| Battery Type | Headset battery rechargeable - lithium polymer | Headphone battery rechargeable - lithium polymer | |
|---|---|---|---|
| Battery Capacity | 700 mAh | - | |
| Battery Life | 30 hours | 25 hour(s) | EPOS I SENNHEISER IMPACT MB 660 UC lasts longer on a single charge than the Audio-Technica ATH SR50BT. |
| Standby Time | 360 hours | 1000 hours | Audio-Technica ATH SR50BT have longer standby time than EPOS I SENNHEISER IMPACT MB 660 UC. |
| Charging Time | 3 hours | 5 hour(s) | EPOS I SENNHEISER IMPACT MB 660 UC recharge faster than EPOS I SENNHEISER IMPACT MB 660 UC. |
| WIRELESS LINK | EPOS I SENNHEISER IMPACT MB 660 UC | Audio-Technica ATH SR50BT |
|---|
| Transmission Range | 25 m | - |
|---|
| CONNECTIONS | EPOS I SENNHEISER IMPACT MB 660 UC | Audio-Technica ATH SR50BT |
|---|
| Connector Type | - | Headphones (mini-phone stereo 3.5 mm 4-pole) |
|---|
| OTHERS | EPOS I SENNHEISER IMPACT MB 660 UC | Audio-Technica ATH SR50BT |
|---|
| Included Accessories | Carrying case, Bluetooth adapter, airplane adapter | - | |
|---|---|---|---|
| Service & Support | Limited warranty - 2 years | Limited warranty - 2 years |
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