In depth comparison and review of EPOS I SENNHEISER IMPACT MB 660 UC MS and Philips TAH8505BK. 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 MS | Philips TAH8505BK |
|---|
| Product Type | Headset - Bluetooth - wireless - NFC | Headphones - Bluetooth - wireless, wired | |
|---|---|---|---|
| Weight | 227 g | 278 g | EPOS I SENNHEISER IMPACT MB 660 UC MS are lighter than EPOS I SENNHEISER IMPACT MB 660 UC MS headphones. |
| Colour | - | Black | |
| Recommended Use | Portable electronics, computer | Portable electronics | |
| Bluetooth Range (Operating Distance) | 25 m | 10 m | EPOS I SENNHEISER IMPACT MB 660 UC MS have a greater operating distance than Philips TAH8505BK. |
| High-Resolution Audio | - | Yes |
| SOUND QUALITY | EPOS I SENNHEISER IMPACT MB 660 UC MS | Philips TAH8505BK |
|---|
| Headphones Form Factor | Full size | Full size | |
|---|---|---|---|
| Headphones Technology | Dynamic | - | |
| Ear Cups Type | Closed | Closed | |
| Adjustable Headband | - | Yes | |
| Foldable | Yes | Yes | Both headphones can be folded. |
| Connectivity Technology | Wireless | Wireless, wired | |
| Wireless Technology | Bluetooth | Bluetooth | |
| Bluetooth Version | Bluetooth 4.2 | Bluetooth 5.0 | Philips TAH8505BK have a more advanced version of Bluetooth than EPOS I SENNHEISER IMPACT MB 660 UC MS. |
| 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 | |
| Active Noise Cancelling | Yes | Yes | Both headphones are equipped with active noice cancellation. |
| Active Noise Cancelling Technology | Adaptive Noise Control | - | |
| Noise Isolating | - | Yes | Philips TAH8505BK are equipped with a noise isolating function. |
| Sound Output Mode | Stereo | - | |
| Frequency Response | 17 - 23000 Hz | 7 - 40000 Hz | Philips TAH8505BK offer a larger frequency range than EPOS I SENNHEISER IMPACT MB 660 UC MS. |
| Max Input Power | - | 30 mW | |
| Total Harmonic Distortion (THD) | 0.5% | - | |
| Sensitivity | 118 dB | 90 dB | EPOS I SENNHEISER IMPACT MB 660 UC MS have higher sensitivity than Philips TAH8505BK. |
| Impedance | 46 Ohm | 16 Ohm | |
| Diaphragm | - | PET - 40 mm | |
| Magnet Material | - | Neodymium |
| MICROPHONE | EPOS I SENNHEISER IMPACT MB 660 UC MS | Philips TAH8505BK |
|---|
| Form Factor | - | Built-in | |
|---|---|---|---|
| Frequency Response | 150 - 6800 Hz | - | |
| Microphone Features | - | Echo-cancelling |
| REMOTE CONTROL | EPOS I SENNHEISER IMPACT MB 660 UC MS | Philips TAH8505BK |
|---|
| Controls | - | Hold, reject call, answer call |
|---|
| CABLE | EPOS I SENNHEISER IMPACT MB 660 UC MS | Philips TAH8505BK |
|---|
| Cable Type | Audio cable Micro-USB cable |
USB charge cable Headphones cable |
|
|---|---|---|---|
| Detachable Cable | - | Yes |
| BATTERY AND CHARGING | EPOS I SENNHEISER IMPACT MB 660 UC MS | Philips TAH8505BK |
|---|
| Battery Type | Headset battery rechargeable | Headphone battery rechargeable - lithium polymer | |
|---|---|---|---|
| Battery Life | 30 hours | 30 hour(s) | Both headphones last the same amount of time on a single charge. |
| Battery Life Details | - | Continuous playback (noise cancelling OFF): up to 30 hours Continuous playback (noise cancelling ON): up to 25 hours |
|
| Standby Time | 360 hours | 200 hours | EPOS I SENNHEISER IMPACT MB 660 UC MS have longer standby time than Philips TAH8505BK. |
| Charging Time | 3 hours | - |
| WIRELESS LINK | EPOS I SENNHEISER IMPACT MB 660 UC MS | Philips TAH8505BK |
|---|
| Transmission Range | 25 m | - |
|---|
| CONNECTIONS | EPOS I SENNHEISER IMPACT MB 660 UC MS | Philips TAH8505BK |
|---|
| Connector Type | - | USB (power only) (micro-USB) Headphones |
|---|
| OTHERS | EPOS I SENNHEISER IMPACT MB 660 UC MS | Philips TAH8505BK |
|---|
| Included Accessories | Carrying case, Bluetooth adapter, airplane adapter | - | |
|---|---|---|---|
| Compliant Standards | - | RoHS, EN 50581:2012, EN 62479:2010, EN 55035:2017, EN 62368-1:2014+A11:2017, EN 50663:2017, EN 300 328 V2.2.2, EN 301 489-1 V2.2.3, EN 301 489-17 V3.2.2, EN 55032:2015/A11:2020 | |
| Service & Support | Limited warranty - 2 years | - |
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