In depth comparison and review of EPOS I SENNHEISER IMPACT SC 660 TC and Bowers & Wilkins PX7. 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 SC 660 TC | Bowers & Wilkins PX7 |
|---|
| Product Type | Headset - wired - Easy Disconnect | Headphones - Bluetooth - wireless, wired - 3.5 mm jack, USB-C | |
|---|---|---|---|
| Height | - | 22 cm | |
| Width | - | 17.5 cm | |
| Depth | - | 8 cm | |
| Weight | 113 g | 304 g | EPOS I SENNHEISER IMPACT SC 660 TC are lighter than EPOS I SENNHEISER IMPACT SC 660 TC headphones. |
| Colour | Black with silver | Carbon | Space grey | Silver | |
| Earpad Material | Leatherette | Soft leather, memory foam | |
| Headband Material | - | Carbon fibre | |
| Recommended Use | - | Portable electronics |
| SOUND QUALITY | EPOS I SENNHEISER IMPACT SC 660 TC | Bowers & Wilkins PX7 |
|---|
| Headphones Form Factor | On-ear | Full size | |
|---|---|---|---|
| Adjustable Headband | - | Yes | |
| Foldable | - | Yes | Bowers & Wilkins PX7 can be folded. |
| Connectivity Technology | Wired | Wireless, wired | |
| Wireless Technology | - | Bluetooth | |
| Bluetooth Version | - | Bluetooth 5.0 | |
| Bluetooth Profiles | - | Hands-Free Profile (HFP), Headset Profile (HSP), Generic Access Profile (GAP), Service Discovery Application Profile (SDAP), Advanced Audio Distribution Profile (A2DP), Audio/Video Remote Control Profile (AVRCP), Device ID Profile (DIP) | |
| Bluetooth Audio Codec | - | SBC, AAC, aptX, aptX HD | |
| Active Noise Cancelling | - | Yes | Bowers & Wilkins PX7 are equipped with active noice cancellation. |
| Active Noise Cancelling Technology | - | Adaptive Noise Cancelling | |
| Noise Isolating | - | Yes | Bowers & Wilkins PX7 are equipped with a noise isolating function. |
| Sound Output Mode | Stereo | Stereo | |
| Frequency Response | 50 - 18000 Hz | 10 - 30000 Hz | Bowers & Wilkins PX7 offer a larger frequency range than EPOS I SENNHEISER IMPACT SC 660 TC. |
| Total Harmonic Distortion (THD) | - | <0.3% | |
| Sensitivity | 103 dB | 111 dB | Bowers & Wilkins PX7 have higher sensitivity than EPOS I SENNHEISER IMPACT SC 660 TC. |
| Impedance | 200 Ohm | 20 Ohm | |
| Diaphragm | - | 43.6 mm | |
| Magnet Material | Neodymium | - |
| MICROPHONE | EPOS I SENNHEISER IMPACT SC 660 TC | Bowers & Wilkins PX7 |
|---|
| Form Factor | Headset microphone | Built-in | |
|---|---|---|---|
| Type | Boom | - | |
| Noise Cancelling | - | Yes | Bowers & Wilkins PX7 microphone can cancel out ambient noise. |
| Noise Cancelling Technology | - | CVC2 (Clear Voice Communication v2) | |
| Frequency Response | 150 - 6800 Hz | - | |
| Microphones Included | - | 6 |
| REMOTE CONTROL | EPOS I SENNHEISER IMPACT SC 660 TC | Bowers & Wilkins PX7 |
|---|
| Controls | - | Volume control, on/off, answer/end, play/pause, next/previous track |
|---|
| CABLE | EPOS I SENNHEISER IMPACT SC 660 TC | Bowers & Wilkins PX7 |
|---|
| Cable Type | Headset cable - 1 m | Headphones cable - detachable - 1.2 m USB to USB-C cable - detachable - 1.2 m |
|
|---|---|---|---|
| Detachable Cable | - | Yes |
| FEATURES | EPOS I SENNHEISER IMPACT SC 660 TC | Bowers & Wilkins PX7 |
|---|
| Sensors | - | Proximity sensor |
|---|
| BATTERY AND CHARGING | EPOS I SENNHEISER IMPACT SC 660 TC | Bowers & Wilkins PX7 |
|---|
| Battery Type | - | Headphone battery rechargeable - lithium polymer | |
|---|---|---|---|
| Battery Life | - | 30 hour(s) | |
| Battery Life Details | - | Continuous playback (noise cancelling ON / Bluetooth): up to 30 hours Continuous playback (with 15 min charge): up to 5 hours |
| CONNECTIONS | EPOS I SENNHEISER IMPACT SC 660 TC | Bowers & Wilkins PX7 |
|---|
| Connector Type | Headset (EasyDisconnect) | Headphones (mini-phone stereo 3.5 mm 4-pole) USB (USB Type-C) |
|---|
| OTHERS | EPOS I SENNHEISER IMPACT SC 660 TC | Bowers & Wilkins PX7 |
|---|
| Included Accessories | Carrying pouch, leatherette ear pads, cable clip | Carrying case | |
|---|---|---|---|
| Service & Support | Limited warranty - 3 years | Limited warranty - 2 years |
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