In depth comparison and review of EPOS I SENNHEISER IMPACT MB 660 UC and AKG N700NCM2. 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 | AKG N700NCM2 |
|---|
| Product Type | Headset - Bluetooth - wireless - NFC - USB, 3.5 mm jack | Headphones - Bluetooth - wireless - 3.5 mm jack | |
|---|---|---|---|
| Weight | 227 g | 277 g | EPOS I SENNHEISER IMPACT MB 660 UC are lighter than EPOS I SENNHEISER IMPACT MB 660 UC headphones. |
| Recommended Use | Portable electronics, computer | - | |
| Bluetooth Range (Operating Distance) | 25 m | - |
| SOUND QUALITY | EPOS I SENNHEISER IMPACT MB 660 UC | AKG N700NCM2 |
|---|
| Headphones Form Factor | Full size | On-ear | |
|---|---|---|---|
| Headphones Technology | Dynamic | - | |
| Ear Cups Type | Closed | - | |
| Foldable | Yes | - | EPOS I SENNHEISER IMPACT MB 660 UC 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), Advanced Audio Distribution Profile (A2DP), Audio/Video Remote Control Profile (AVRCP) | |
| Bluetooth Audio Codec | SBC, aptX | SBC, AAC | |
| Active Noise Cancelling | Yes | Yes | Both headphones are equipped with active noice cancellation. |
| Active Noise Cancelling Technology | NoiseGard active noise compensation | - | |
| Noise Isolating | - | Yes | AKG N700NCM2 are equipped with a noise isolating function. |
| Sound Output Mode | Stereo | - | |
| Frequency Response | 17 - 23000 Hz | 10 - 20000 Hz | EPOS I SENNHEISER IMPACT MB 660 UC offer a larger frequency range than AKG N700NCM2. |
| Max Input Power | - | 30 mW | |
| Total Harmonic Distortion (THD) | <0.5% | - | |
| Sensitivity | 118 dB | - | |
| Impedance | 46 Ohm | 16 Ohm | |
| Diaphragm | - | 40 mm |
| MICROPHONE | EPOS I SENNHEISER IMPACT MB 660 UC | AKG N700NCM2 |
|---|
| Form Factor | Built-in | Built-in | |
|---|---|---|---|
| Frequency Response | 150 - 6800 Hz | - | |
| Microphones Included | 3 | - |
| REMOTE CONTROL | EPOS I SENNHEISER IMPACT MB 660 UC | AKG N700NCM2 |
|---|
| Controls | - | Answer/end, 1-button remote |
|---|
| CABLE | EPOS I SENNHEISER IMPACT MB 660 UC | AKG N700NCM2 |
|---|
| Cable Type | Audio cable Micro-USB cable |
Charging cable - detachable Headphones cable - detachable |
|
|---|---|---|---|
| Detachable Cable | - | Yes |
| BATTERY AND CHARGING | EPOS I SENNHEISER IMPACT MB 660 UC | AKG N700NCM2 |
|---|
| Battery Type | Headset battery rechargeable - lithium polymer | Headphone battery rechargeable - lithium polymer | |
|---|---|---|---|
| Battery Capacity | 700 mAh | 800 mAh | AKG N700NCM2 have a higher battery capacity than EPOS I SENNHEISER IMPACT MB 660 UC. |
| Battery Life | 30 hours | 23 hour(s) | EPOS I SENNHEISER IMPACT MB 660 UC lasts longer on a single charge than the AKG N700NCM2. |
| Battery Life Details | - | Continuous playback (noise cancelling ON / Bluetooth): up to 23 hours Continuous talk: up to 23 hours |
|
| Standby Time | 360 hours | - | |
| Charging Time | 3 hours | 3 hour(s) | The charging of both headphones last the same time. |
| WIRELESS LINK | EPOS I SENNHEISER IMPACT MB 660 UC | AKG N700NCM2 |
|---|
| Transmission Range | 25 m | - |
|---|
| CONNECTIONS | EPOS I SENNHEISER IMPACT MB 660 UC | AKG N700NCM2 |
|---|
| Connector Type | - | Bluetooth USB (power only) |
|---|
| OTHERS | EPOS I SENNHEISER IMPACT MB 660 UC | AKG N700NCM2 |
|---|
| Included Accessories | Carrying case, Bluetooth adapter, airplane adapter | Carrying case, in-flight plug adapter | |
|---|---|---|---|
| Compatibility | - | iPhone, iPad, iPod, Android phone | |
| Service & Support | Limited warranty - 2 years | Limited warranty - parts and labour - 1 year |
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