Side by side comparison and review of EPOS I SENNHEISER IMPACT MB 660 UC MS and beyerdynamic Amiron Wireless. 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 | EPOS I SENNHEISER IMPACT MB 660 UC MS | beyerdynamic Amiron Wireless |
|---|
| Product Type | Headset - Bluetooth - wireless - NFC | Headphones - Bluetooth - wireless | |
|---|---|---|---|
| Weight | 227 g | 380 g | EPOS I SENNHEISER IMPACT MB 660 UC MS are lighter than EPOS I SENNHEISER IMPACT MB 660 UC MS headphones. |
| Recommended Use | Portable electronics, computer | - | |
| Bluetooth Range (Operating Distance) | 25 m | 10 m | EPOS I SENNHEISER IMPACT MB 660 UC MS have a greater operating distance than beyerdynamic Amiron Wireless. |
| SOUND QUALITY | EPOS I SENNHEISER IMPACT MB 660 UC MS | beyerdynamic Amiron Wireless |
|---|
| 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 MS 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, AAC, aptX, aptX HD, apt-X LL | |
| Active Noise Cancelling | Yes | - | EPOS I SENNHEISER IMPACT MB 660 UC MS are equipped with active noice cancellation. |
| Active Noise Cancelling Technology | Adaptive Noise Control | - | |
| Sound Output Mode | Stereo | Stereo | |
| Frequency Response | 17 - 23000 Hz | 5 - 40000 Hz | beyerdynamic Amiron Wireless offer a larger frequency range than EPOS I SENNHEISER IMPACT MB 660 UC MS. |
| Max Input Power | - | 200 mW | |
| Total Harmonic Distortion (THD) | 0.5% | <0.05% | beyerdynamic Amiron Wireless have lower total harmonic distortion than EPOS I SENNHEISER IMPACT MB 660 UC MS. |
| Sensitivity | 118 dB | - | |
| Impedance | 46 Ohm | 32 Ohm | |
| Max Sound Pressure | - | 100 dB |
| MICROPHONE | EPOS I SENNHEISER IMPACT MB 660 UC MS | beyerdynamic Amiron Wireless |
|---|
| Form Factor | - | Built-in | |
|---|---|---|---|
| Frequency Response | 150 - 6800 Hz | - |
| CABLE | EPOS I SENNHEISER IMPACT MB 660 UC MS | beyerdynamic Amiron Wireless |
|---|
| Cable Type | Audio cable Micro-USB cable |
Headphones cable - detachable - with remote control and mic - 1.2 m USB-C charge cable |
|---|
| BATTERY AND CHARGING | EPOS I SENNHEISER IMPACT MB 660 UC MS | beyerdynamic Amiron Wireless |
|---|
| Battery Type | Headset battery rechargeable | Headphone battery rechargeable | |
|---|---|---|---|
| Battery Capacity | - | 1050 mAh | |
| 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 recharge faster than EPOS I SENNHEISER IMPACT MB 660 UC MS. |
| WIRELESS LINK | EPOS I SENNHEISER IMPACT MB 660 UC MS | beyerdynamic Amiron Wireless |
|---|
| Transmission Range | 25 m | - |
|---|
| OTHERS | EPOS I SENNHEISER IMPACT MB 660 UC MS | beyerdynamic Amiron Wireless |
|---|
| Included Accessories | Carrying case, Bluetooth adapter, airplane adapter | Hard case | |
|---|---|---|---|
| Service & Support | Limited warranty - 2 years | - |
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