In depth comparison and review of EPOS I SENNHEISER IMPACT MB 660 UC and Philips SHB4405WT. 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 | Philips SHB4405WT |
|---|
| Product Type | Headset - Bluetooth - wireless - NFC - USB, 3.5 mm jack | Headphones - Bluetooth - wireless - 3.5 mm jack | |
|---|---|---|---|
| Height | - | 14 cm | |
| Width | - | 17 cm | |
| Depth | - | 3 cm | |
| Weight | 227 g | 90 g | Philips SHB4405WT are lighter than EPOS I SENNHEISER IMPACT MB 660 UC headphones. |
| Recommended Use | Portable electronics, computer | Portable electronics | |
| Bluetooth Range (Operating Distance) | 25 m | 10 m | EPOS I SENNHEISER IMPACT MB 660 UC have a greater operating distance than Philips SHB4405WT. |
| SOUND QUALITY | EPOS I SENNHEISER IMPACT MB 660 UC | Philips SHB4405WT |
|---|
| Headphones Form Factor | Full size | On-ear | |
|---|---|---|---|
| Headphones Technology | 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 4.1 | EPOS I SENNHEISER IMPACT MB 660 UC have a more advanced version of Bluetooth than Philips SHB4405WT. |
| 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 | - | |
| 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 | 9 - 22000 Hz | EPOS I SENNHEISER IMPACT MB 660 UC offer a larger frequency range than Philips SHB4405WT. |
| Max Input Power | - | 40 mW | |
| Total Harmonic Distortion (THD) | <0.5% | - | |
| Sensitivity | 118 dB | 103 dB | EPOS I SENNHEISER IMPACT MB 660 UC have higher sensitivity than Philips SHB4405WT. |
| Impedance | 46 Ohm | 24 Ohm | |
| Diaphragm | - | PET - 32 mm | |
| Magnet Material | - | Neodymium |
| MICROPHONE | EPOS I SENNHEISER IMPACT MB 660 UC | Philips SHB4405WT |
|---|
| Form Factor | Built-in | - | |
|---|---|---|---|
| Frequency Response | 150 - 6800 Hz | - | |
| Microphones Included | 3 | - |
| REMOTE CONTROL | EPOS I SENNHEISER IMPACT MB 660 UC | Philips SHB4405WT |
|---|
| Controls | - | Mute, volume, answer/end, phone/music mode, reject call, redial |
|---|
| CABLE | EPOS I SENNHEISER IMPACT MB 660 UC | Philips SHB4405WT |
|---|
| Cable Type | Audio cable Micro-USB cable |
USB charge cable |
|---|
| BATTERY AND CHARGING | EPOS I SENNHEISER IMPACT MB 660 UC | Philips SHB4405WT |
|---|
| Battery Type | Headset battery rechargeable - lithium polymer | Headphone battery rechargeable - lithium polymer | |
|---|---|---|---|
| Battery Capacity | 700 mAh | - | |
| Battery Life | 30 hours | 9 hour(s) | EPOS I SENNHEISER IMPACT MB 660 UC lasts longer on a single charge than the Philips SHB4405WT. |
| Standby Time | 360 hours | 300 hours | EPOS I SENNHEISER IMPACT MB 660 UC have longer standby time than Philips SHB4405WT. |
| Charging Time | 3 hours | - |
| WIRELESS LINK | EPOS I SENNHEISER IMPACT MB 660 UC | Philips SHB4405WT |
|---|
| Transmission Range | 25 m | 10 m | EPOS I SENNHEISER IMPACT MB 660 UC have greater transmission range than Philips SHB4405WT. |
|---|
| CONNECTIONS | EPOS I SENNHEISER IMPACT MB 660 UC | Philips SHB4405WT |
|---|
| Connector Type | - | USB |
|---|
| OTHERS | EPOS I SENNHEISER IMPACT MB 660 UC | Philips SHB4405WT |
|---|
| Included Accessories | Carrying case, Bluetooth adapter, airplane adapter | - | |
|---|---|---|---|
| Service & Support | Limited warranty - 2 years | - |
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