Side by side comparison and review of EPOS I SENNHEISER IMPACT MB 660 UC MS and ASTRO A20. 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 | ASTRO A20 |
|---|
| Product Type | Headset - Bluetooth - wireless - NFC | Headset - wireless | |
|---|---|---|---|
| Weight | 227 g | 320 g | EPOS I SENNHEISER IMPACT MB 660 UC MS are lighter than EPOS I SENNHEISER IMPACT MB 660 UC MS headphones. |
| Colour | - | Black, green | Navy, Call of Duty | Silver, Call of Duty | Black, blue | |
| Headband Material | - | Steel | |
| Recommended Use | Portable electronics, computer | Game console, computer | |
| Bluetooth Range (Operating Distance) | 25 m | 9.14 m | EPOS I SENNHEISER IMPACT MB 660 UC MS have a greater operating distance than ASTRO A20. |
| SOUND QUALITY | EPOS I SENNHEISER IMPACT MB 660 UC MS | ASTRO A20 |
|---|
| Headphones Form Factor | Full size | Full size | |
|---|---|---|---|
| Headphones Technology | Dynamic | - | |
| Ear Cups Type | Closed | - | |
| Foldable | Yes | - | EPOS I SENNHEISER IMPACT MB 660 UC MS can be folded. |
| Connectivity Technology | Wireless | Wireless | |
| Wireless Technology | Bluetooth | - | |
| Bluetooth Version | Bluetooth 4.2 | - | |
| Bluetooth Profiles | Hands-Free Profile (HFP), Headset Profile (HSP), Advanced Audio Distribution Profile (A2DP), Audio/Video Remote Control Profile (AVRCP), Device ID Profile (DIP) | - | |
| 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 | 20 - 20000 Hz | EPOS I SENNHEISER IMPACT MB 660 UC MS offer a larger frequency range than ASTRO A20. |
| Total Harmonic Distortion (THD) | 0.5% | <3% | EPOS I SENNHEISER IMPACT MB 660 UC MS have lower total harmonic distortion than EPOS I SENNHEISER IMPACT MB 660 UC MS. |
| Sensitivity | 118 dB | 100 dB | EPOS I SENNHEISER IMPACT MB 660 UC MS have higher sensitivity than ASTRO A20. |
| Impedance | 46 Ohm | 32 Ohm | |
| Diaphragm | - | 40 mm | |
| Magnet Material | - | Neodymium | |
| In-Cord Volume Control | - | Yes |
| MICROPHONE | EPOS I SENNHEISER IMPACT MB 660 UC MS | ASTRO A20 |
|---|
| Form Factor | - | Headset microphone | |
|---|---|---|---|
| Type | - | Boom | |
| Frequency Response | 150 - 6800 Hz | - | |
| Audio Input Details | - | Uni-directional |
| REMOTE CONTROL | EPOS I SENNHEISER IMPACT MB 660 UC MS | ASTRO A20 |
|---|
| Controls | - | Volume, power on/off |
|---|
| CABLE | EPOS I SENNHEISER IMPACT MB 660 UC MS | ASTRO A20 |
|---|
| Cable Type | Audio cable Micro-USB cable |
Micro-USB cable - detachable - 1 m Audio (optical) cable - detachable - 1 m Micro-USB cable - detachable - 50 cm |
|
|---|---|---|---|
| Cable Length | - | 1 m | |
| Detachable Cable | - | Yes |
| BATTERY AND CHARGING | EPOS I SENNHEISER IMPACT MB 660 UC MS | ASTRO A20 |
|---|
| Battery Type | Headset battery rechargeable | Headset battery rechargeable | |
|---|---|---|---|
| Battery Life | 30 hours | 15 hour(s) | EPOS I SENNHEISER IMPACT MB 660 UC MS lasts longer on a single charge than the ASTRO A20. |
| Standby Time | 360 hours | - | |
| Charging Time | 3 hours | - |
| WIRELESS LINK | EPOS I SENNHEISER IMPACT MB 660 UC MS | ASTRO A20 |
|---|
| Transmission Range | 25 m | - |
|---|
| OTHERS | EPOS I SENNHEISER IMPACT MB 660 UC MS | ASTRO A20 |
|---|
| Included Accessories | Carrying case, Bluetooth adapter, airplane adapter | Wireless transmitter | |
|---|---|---|---|
| Compatibility | - | Mac, Windows | |
| Service & Support | Limited warranty - 2 years | - |
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