Side by side comparison and review of EPOS I SENNHEISER IMPACT MB 660 UC MS and Sony WH-CH500. 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 | Sony WH-CH500 |
|---|
| Product Type | Headset - Bluetooth - wireless - NFC | Headphones - Bluetooth - wireless - NFC | |
|---|---|---|---|
| Weight | 227 g | 140 g | Sony WH-CH500 are lighter than EPOS I SENNHEISER IMPACT MB 660 UC MS headphones. |
| Colour | - | Black | Grey | Blue | |
| 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 Sony WH-CH500. |
| SOUND QUALITY | EPOS I SENNHEISER IMPACT MB 660 UC MS | Sony WH-CH500 |
|---|
| Headphones Form Factor | Full size | Full size | |
|---|---|---|---|
| Headphones Technology | Dynamic | Dynamic | |
| Ear Cups Type | Closed | Closed | |
| Foldable | Yes | - | EPOS I SENNHEISER IMPACT MB 660 UC MS 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), Headset Profile (HSP), Advanced Audio Distribution Profile (A2DP), Audio/Video Remote Control Profile (AVRCP) | |
| Bluetooth Audio Codec | - | SBC, AAC | |
| 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 Sony WH-CH500. |
| Total Harmonic Distortion (THD) | 0.5% | - | |
| Sensitivity | 118 dB | - | |
| Impedance | 46 Ohm | - | |
| Diaphragm | - | 30 mm | |
| Magnet Material | - | Ferrite |
| MICROPHONE | EPOS I SENNHEISER IMPACT MB 660 UC MS | Sony WH-CH500 |
|---|
| Form Factor | - | Built-in | |
|---|---|---|---|
| Microphone Technology | - | Electret condenser | |
| Microphone Operation Mode | - | Omni-directional | |
| Frequency Response | 150 - 6800 Hz | 50 - 8000 Hz | Sony WH-CH500 offer a larger microphone frequency range than EPOS I SENNHEISER IMPACT MB 660 UC MS. |
| REMOTE CONTROL | EPOS I SENNHEISER IMPACT MB 660 UC MS | Sony WH-CH500 |
|---|
| Controls | - | Volume, power on/off |
|---|
| CABLE | EPOS I SENNHEISER IMPACT MB 660 UC MS | Sony WH-CH500 |
|---|
| Cable Type | Audio cable Micro-USB cable |
Micro-USB cable - 50 cm |
|---|
| BATTERY AND CHARGING | EPOS I SENNHEISER IMPACT MB 660 UC MS | Sony WH-CH500 |
|---|
| Battery Type | Headset battery rechargeable | Headphone battery rechargeable - Lithium Ion | |
|---|---|---|---|
| Battery Life | 30 hours | 20 hour(s) | EPOS I SENNHEISER IMPACT MB 660 UC MS lasts longer on a single charge than the Sony WH-CH500. |
| Standby Time | 360 hours | 200 hours | EPOS I SENNHEISER IMPACT MB 660 UC MS have longer standby time than Sony WH-CH500. |
| Voltage Provided | - | 3.7 / 5 V | |
| Charging Time | 3 hours | 4.5 hour(s) | EPOS I SENNHEISER IMPACT MB 660 UC MS recharge faster than EPOS I SENNHEISER IMPACT MB 660 UC MS. |
| Power Consumption | - | 0.7 Watt |
| WIRELESS LINK | EPOS I SENNHEISER IMPACT MB 660 UC MS | Sony WH-CH500 |
|---|
| Transmission Range | 25 m | - |
|---|
| CONNECTIONS | EPOS I SENNHEISER IMPACT MB 660 UC MS | Sony WH-CH500 |
|---|
| Connector Type | - | USB (5 pin Micro-USB Type B) Bluetooth |
|---|
| OTHERS | EPOS I SENNHEISER IMPACT MB 660 UC MS | Sony WH-CH500 |
|---|
| Included Accessories | Carrying case, Bluetooth adapter, airplane adapter | - | |
|---|---|---|---|
| Compatibility | - | iPhone, Android phone, Mac, Windows | |
| Service & Support | Limited warranty - 2 years | Limited warranty - 1 year |
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