In depth comparison and review of EPOS I SENNHEISER IMPACT MB 660 UC and beyerdynamic Amiron Wireless Copper. 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 | beyerdynamic Amiron Wireless Copper |
|---|
| Product Type | Headset - Bluetooth - wireless - NFC - USB, 3.5 mm jack | Headphones - Bluetooth - wireless - 3.5 mm jack | |
|---|---|---|---|
| Weight | 227 g | 400 g | EPOS I SENNHEISER IMPACT MB 660 UC are lighter than EPOS I SENNHEISER IMPACT MB 660 UC headphones. |
| Colour | - | Copper | |
| 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 beyerdynamic Amiron Wireless Copper. |
| SOUND QUALITY | EPOS I SENNHEISER IMPACT MB 660 UC | beyerdynamic Amiron Wireless Copper |
|---|
| Headphones Form Factor | Full size | Full size | |
|---|---|---|---|
| Headphones Technology | Dynamic | Dynamic | |
| Ear Cups Type | Closed | Closed | |
| Foldable | Yes | - | EPOS I SENNHEISER IMPACT MB 660 UC can be folded. |
| Connectivity Technology | Wireless | Wireless | |
| Wireless Technology | Bluetooth | Bluetooth | |
| Bluetooth Version | Bluetooth 4.2 | Bluetooth 4.2 | Both headphones have the same Bluetooth version. |
| 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), General Audio/Video Distribution Profile (GAVDP) | |
| Bluetooth Audio Codec | SBC, aptX | SBC, AAC, aptX, aptX HD, apt-X LL | |
| 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 | - | |
| Sound Output Mode | Stereo | Stereo | |
| Frequency Response | 17 - 23000 Hz | 5 - 40000 Hz | beyerdynamic Amiron Wireless Copper offer a larger frequency range than EPOS I SENNHEISER IMPACT MB 660 UC. |
| Max Input Power | - | 200 mW | |
| Total Harmonic Distortion (THD) | <0.5% | <0.05% | beyerdynamic Amiron Wireless Copper have lower total harmonic distortion than EPOS I SENNHEISER IMPACT MB 660 UC. |
| Sensitivity | 118 dB | - | |
| Impedance | 46 Ohm | 32 Ohm | |
| Max Sound Pressure | - | 100 dB |
| MICROPHONE | EPOS I SENNHEISER IMPACT MB 660 UC | beyerdynamic Amiron Wireless Copper |
|---|
| Form Factor | Built-in | Built-in | |
|---|---|---|---|
| Frequency Response | 150 - 6800 Hz | - | |
| Microphones Included | 3 | - |
| REMOTE CONTROL | EPOS I SENNHEISER IMPACT MB 660 UC | beyerdynamic Amiron Wireless Copper |
|---|
| Controls | - | Volume, answer/end, play/pause, next/previous track, reject call, voice assistant |
|---|
| CABLE | EPOS I SENNHEISER IMPACT MB 660 UC | beyerdynamic Amiron Wireless Copper |
|---|
| Cable Type | Audio cable Micro-USB cable |
Headphones cable - detachable - with remote control and mic - 1.2 m | |
|---|---|---|---|
| Cable Length | - | 1.2 m |
| BATTERY AND CHARGING | EPOS I SENNHEISER IMPACT MB 660 UC | beyerdynamic Amiron Wireless Copper |
|---|
| Battery Type | Headset battery rechargeable - lithium polymer | Headphone battery rechargeable | |
|---|---|---|---|
| Battery Capacity | 700 mAh | 1050 mAh | beyerdynamic Amiron Wireless Copper have a higher battery capacity than EPOS I SENNHEISER IMPACT MB 660 UC. |
| Battery Life | 30 hours | 30 hour(s) | Both headphones last the same amount of time on a single charge. |
| Standby Time | 360 hours | - | |
| Charging Time | 3 hours | 2 hour(s) | beyerdynamic Amiron Wireless Copper recharge faster than EPOS I SENNHEISER IMPACT MB 660 UC. |
| WIRELESS LINK | EPOS I SENNHEISER IMPACT MB 660 UC | beyerdynamic Amiron Wireless Copper |
|---|
| Transmission Range | 25 m | - |
|---|
| OTHERS | EPOS I SENNHEISER IMPACT MB 660 UC | beyerdynamic Amiron Wireless Copper |
|---|
| Included Accessories | Carrying case, Bluetooth adapter, airplane adapter | Hard case, USB-C to USB-A charging cable | |
|---|---|---|---|
| Service & Support | Limited warranty - 2 years | - |
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