Side by side comparison and review of EPOS I SENNHEISER IMPACT MB 660 UC MS and JBL Under Armour Sport Wireless Train. 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 | JBL Under Armour Sport Wireless Train |
|---|
| Product Type | Headset - Bluetooth - wireless - NFC | Headphones - Bluetooth - wireless | |
|---|---|---|---|
| Weight | 227 g | 240 g | EPOS I SENNHEISER IMPACT MB 660 UC MS are lighter than EPOS I SENNHEISER IMPACT MB 660 UC MS headphones. |
| Colour | - | Black / red | Black | |
| Protection | - | Moisture-resistant, sweat-resistant, IPX4 | |
| Design | - | Sports | |
| Recommended Use | Portable electronics, computer | Portable electronics | |
| Bluetooth Range (Operating Distance) | 25 m | - |
| SOUND QUALITY | EPOS I SENNHEISER IMPACT MB 660 UC MS | JBL Under Armour Sport Wireless Train |
|---|
| Headphones Form Factor | Full size | On-ear | |
|---|---|---|---|
| Headphones Technology | Dynamic | Dynamic | |
| Ear Cups Type | 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 MS have a more advanced version of Bluetooth than JBL Under Armour Sport Wireless Train. |
| 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) | |
| 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 | 16 - 20000 Hz | EPOS I SENNHEISER IMPACT MB 660 UC MS offer a larger frequency range than JBL Under Armour Sport Wireless Train. |
| Max Input Power | - | 20 mW | |
| Total Harmonic Distortion (THD) | 0.5% | - | |
| Sensitivity | 118 dB | 101 dB | EPOS I SENNHEISER IMPACT MB 660 UC MS have higher sensitivity than JBL Under Armour Sport Wireless Train. |
| Impedance | 46 Ohm | 32 Ohm | |
| Diaphragm | - | 40 mm | |
| Features | - | TalkThru technology, JBL Charged Sound, Ambient Aware |
| MICROPHONE | EPOS I SENNHEISER IMPACT MB 660 UC MS | JBL Under Armour Sport Wireless Train |
|---|
| Form Factor | - | Built-in | |
|---|---|---|---|
| Frequency Response | 150 - 6800 Hz | - |
| REMOTE CONTROL | EPOS I SENNHEISER IMPACT MB 660 UC MS | JBL Under Armour Sport Wireless Train |
|---|
| Controls | - | Volume, power on/off, answer/end, play/pause, next/previous track, reject call, voice assistant, TalkThru button |
|---|
| CABLE | EPOS I SENNHEISER IMPACT MB 660 UC MS | JBL Under Armour Sport Wireless Train |
|---|
| Cable Type | Audio cable Micro-USB cable |
Audio cable - detachable - 1.25 m |
|---|
| FEATURES | EPOS I SENNHEISER IMPACT MB 660 UC MS | JBL Under Armour Sport Wireless Train |
|---|
| Intelligent Assistant | - | Siri, Google Now |
|---|
| BATTERY AND CHARGING | EPOS I SENNHEISER IMPACT MB 660 UC MS | JBL Under Armour Sport Wireless Train |
|---|
| Battery Type | Headset battery rechargeable | Headphone battery rechargeable - Lithium Ion | |
|---|---|---|---|
| Battery Capacity | - | 610 mAh | |
| Battery Life | 30 hours | 16 hour(s) | EPOS I SENNHEISER IMPACT MB 660 UC MS lasts longer on a single charge than the JBL Under Armour Sport Wireless Train. |
| Standby Time | 360 hours | - | |
| Charging Time | 3 hours | 2 hour(s) | JBL Under Armour Sport Wireless Train recharge faster than EPOS I SENNHEISER IMPACT MB 660 UC MS. |
| WIRELESS LINK | EPOS I SENNHEISER IMPACT MB 660 UC MS | JBL Under Armour Sport Wireless Train |
|---|
| Transmission Range | 25 m | - | |
|---|---|---|---|
| Modulation Type | - | GFSK, 8-DPSK, DQPSK | |
| Radio Frequency Range | - | 2.402 - 2.480GHz |
| CONNECTIONS | EPOS I SENNHEISER IMPACT MB 660 UC MS | JBL Under Armour Sport Wireless Train |
|---|
| Connector Type | - | Headphones (mini-phone stereo 3.5 mm) |
|---|
| OTHERS | EPOS I SENNHEISER IMPACT MB 660 UC MS | JBL Under Armour Sport Wireless Train |
|---|
| Included Accessories | Carrying case, Bluetooth adapter, airplane adapter | Carrying case, micro-USB charging cable | |
|---|---|---|---|
| Compliant Standards | - | IPX4 | |
| Service & Support | Limited warranty - 2 years | Limited warranty - 1 year |
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