In depth comparison and review of EPOS I SENNHEISER IMPACT MB 660 UC and Philips TAH4205WT. 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 TAH4205WT |
|---|
| Product Type | Headset - Bluetooth - wireless - NFC - USB, 3.5 mm jack | Headphones - Bluetooth - wireless | |
|---|---|---|---|
| Height | - | 18.5 cm | |
| Width | - | 16.5 cm | |
| Depth | - | 4 cm | |
| Weight | 227 g | 150 g | Philips TAH4205WT are lighter than EPOS I SENNHEISER IMPACT MB 660 UC headphones. |
| Colour | - | White | |
| 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 TAH4205WT. |
| SOUND QUALITY | EPOS I SENNHEISER IMPACT MB 660 UC | Philips TAH4205WT |
|---|
| Headphones Form Factor | Full size | On-ear | |
|---|---|---|---|
| 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 | Philips TAH4205WT 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 | - | |
| 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 | Philips TAH4205WT are equipped with a noise isolating function. |
| Sound Output Mode | Stereo | - | |
| Frequency Response | 17 - 23000 Hz | 20 - 20000 Hz | EPOS I SENNHEISER IMPACT MB 660 UC offer a larger frequency range than Philips TAH4205WT. |
| Total Harmonic Distortion (THD) | <0.5% | - | |
| Sensitivity | 118 dB | - | |
| Impedance | 46 Ohm | 32 Ohm | |
| Diaphragm | - | PET - 32 mm | |
| Magnet Material | - | NdFeB |
| MICROPHONE | EPOS I SENNHEISER IMPACT MB 660 UC | Philips TAH4205WT |
|---|
| Form Factor | Built-in | Built-in | |
|---|---|---|---|
| Frequency Response | 150 - 6800 Hz | - | |
| Microphones Included | 3 | - |
| REMOTE CONTROL | EPOS I SENNHEISER IMPACT MB 660 UC | Philips TAH4205WT |
|---|
| Controls | - | Volume control, reject call |
|---|
| CABLE | EPOS I SENNHEISER IMPACT MB 660 UC | Philips TAH4205WT |
|---|
| Cable Type | Audio cable Micro-USB cable |
USB-C cable - detachable |
|---|
| BATTERY AND CHARGING | EPOS I SENNHEISER IMPACT MB 660 UC | Philips TAH4205WT |
|---|
| Battery Type | Headset battery rechargeable - lithium polymer | Headphone battery rechargeable - lithium polymer | |
|---|---|---|---|
| Battery Capacity | 700 mAh | - | |
| Battery Life | 30 hours | 29 hour(s) | EPOS I SENNHEISER IMPACT MB 660 UC lasts longer on a single charge than the Philips TAH4205WT. |
| Battery Life Details | - | Standby: up to 166 hours Continuous talk: up to 21 hours Continuous playback: up to 29 hours |
|
| Standby Time | 360 hours | 166 hours | EPOS I SENNHEISER IMPACT MB 660 UC have longer standby time than Philips TAH4205WT. |
| Charging Time | 3 hours | - |
| WIRELESS LINK | EPOS I SENNHEISER IMPACT MB 660 UC | Philips TAH4205WT |
|---|
| Transmission Range | 25 m | - |
|---|
| CONNECTIONS | EPOS I SENNHEISER IMPACT MB 660 UC | Philips TAH4205WT |
|---|
| Connector Type | - | USB (power only) Bluetooth |
|---|
| OTHERS | EPOS I SENNHEISER IMPACT MB 660 UC | Philips TAH4205WT |
|---|
| Included Accessories | Carrying case, Bluetooth adapter, airplane adapter | - | |
|---|---|---|---|
| Service & Support | Limited warranty - 2 years | Limited warranty - 1 year |
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