Detailed comparison and review of Sennheiser PXC 550 Wireless and EPOS I SENNHEISER IMPACT SC 660 TC. With our comprehensive overview, you can simply compare design, sound quality, but also other key features of both headphones and easily decide which ones are the right choice for you. Our goal is to help you identify the main differences between products and find the headphones that best fit your needs and expectations.
| DESIGN AND DIMENSIONS | Sennheiser PXC 550 Wireless | EPOS I SENNHEISER IMPACT SC 660 TC |
|---|
| Product Type | Headphones - Bluetooth - wireless - NFC | Headset - wired - Easy Disconnect | |
|---|---|---|---|
| Series | PXC | - | |
| Weight | 227 g | 113 g | EPOS I SENNHEISER IMPACT SC 660 TC are lighter than Sennheiser PXC 550 Wireless headphones. |
| Colour | - | Black with silver | |
| Earpad Material | - | Leatherette | |
| Recommended Use | Home audio, portable electronics | - |
| SOUND QUALITY | Sennheiser PXC 550 Wireless | EPOS I SENNHEISER IMPACT SC 660 TC |
|---|
| Headphones Form Factor | Full size | On-ear | |
|---|---|---|---|
| Headphones Technology | Dynamic | - | |
| Ear Cups Type | Closed | - | |
| Foldable | Yes | - | Sennheiser PXC 550 Wireless can be folded. |
| Connectivity Technology | Wireless | Wired | |
| Wireless Technology | Bluetooth | - | |
| Bluetooth Version | Bluetooth 4.2 | - | |
| Bluetooth Profiles | Hands-Free Profile (HFP), Headset Profile (HSP), Advanced Audio Distribution Profile (A2DP), Device ID Profile (DIP) | - | |
| Active Noise Cancelling | Yes | - | Sennheiser PXC 550 Wireless are equipped with active noice cancellation. |
| Active Noise Cancelling Technology | NoiseGard active noise compensation | - | |
| Sound Output Mode | Stereo | Stereo | |
| Frequency Response | 17 - 23000 Hz | 50 - 18000 Hz | Sennheiser PXC 550 Wireless offer a larger frequency range than EPOS I SENNHEISER IMPACT SC 660 TC. |
| Total Harmonic Distortion (THD) | 0.5% | - | |
| Sensitivity | 110 dB | 103 dB | Sennheiser PXC 550 Wireless have higher sensitivity than EPOS I SENNHEISER IMPACT SC 660 TC. |
| Impedance | 490 Ohm | 200 Ohm | |
| Magnet Material | - | Neodymium |
| MICROPHONE | Sennheiser PXC 550 Wireless | EPOS I SENNHEISER IMPACT SC 660 TC |
|---|
| Form Factor | Built-in | Headset microphone | |
|---|---|---|---|
| Type | - | Boom | |
| Frequency Response | - | 150 - 6800 Hz | |
| Microphones Included | 3 | - |
| REMOTE CONTROL | Sennheiser PXC 550 Wireless | EPOS I SENNHEISER IMPACT SC 660 TC |
|---|
| Controls | Volume | - |
|---|
| CABLE | Sennheiser PXC 550 Wireless | EPOS I SENNHEISER IMPACT SC 660 TC |
|---|
| Cable Type | Headphones cable - detachable USB cable - detachable |
Headset cable - 1 m | |
|---|---|---|---|
| Detachable Cable | Yes | - |
| FEATURES | Sennheiser PXC 550 Wireless | EPOS I SENNHEISER IMPACT SC 660 TC |
|---|
| Features | Voice alerts | - |
|---|
| BATTERY AND CHARGING | Sennheiser PXC 550 Wireless | EPOS I SENNHEISER IMPACT SC 660 TC |
|---|
| Battery Type | Headphone battery rechargeable | - | |
|---|---|---|---|
| Battery Life | 30 hour(s) | - | |
| Charging Time | 3 hour(s) | - |
| CONNECTIONS | Sennheiser PXC 550 Wireless | EPOS I SENNHEISER IMPACT SC 660 TC |
|---|
| Connector Type | Headphones (mini-phone stereo 3.5 mm) | Headset (EasyDisconnect) |
|---|
| OTHERS | Sennheiser PXC 550 Wireless | EPOS I SENNHEISER IMPACT SC 660 TC |
|---|
| Included Accessories | Carrying case, audio cable, in-flight plug adapter, 3.5 mm to 6.3 mm adapter, USB charge cable | Carrying pouch, leatherette ear pads, cable clip | |
|---|---|---|---|
| Software Included | CapTune | - | |
| Service & Support | - | Limited warranty - 3 years |
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