Detailed comparison and review of EPOS I SENNHEISER IMPACT SC 660 TC and JBL TUNE 770NC. 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 | EPOS I SENNHEISER IMPACT SC 660 TC | JBL TUNE 770NC |
|---|
| Product Type | Headset - wired - Easy Disconnect | Headphones - Bluetooth - wireless, wired - 3.5 mm jack | |
|---|---|---|---|
| Weight | 113 g | 232 g | EPOS I SENNHEISER IMPACT SC 660 TC are lighter than EPOS I SENNHEISER IMPACT SC 660 TC headphones. |
| Colour | Black with silver | Black | Purple | Blue | White | |
| Earpad Material | Leatherette | - | |
| Recommended Use | - | Portable electronics |
| SOUND QUALITY | EPOS I SENNHEISER IMPACT SC 660 TC | JBL TUNE 770NC |
|---|
| Headphones Form Factor | On-ear | Full size | |
|---|---|---|---|
| Headphones Technology | - | Dynamic | |
| Foldable | - | Yes | JBL TUNE 770NC can be folded. |
| Connectivity Technology | Wired | Wireless, wired | |
| Wireless Technology | - | Bluetooth | |
| Bluetooth Version | - | Bluetooth 5.3 | |
| Bluetooth Profiles | - | Hands-Free Profile (HFP), Advanced Audio Distribution Profile (A2DP), Audio/Video Remote Control Profile (AVRCP) | |
| Active Noise Cancelling | - | Yes | JBL TUNE 770NC are equipped with active noice cancellation. |
| Active Noise Cancelling Technology | - | Adaptive Noise Cancelling | |
| Sound Output Mode | Stereo | Stereo | |
| Sound Effects | - | Pure Bass | |
| Frequency Response | 50 - 18000 Hz | 20 - 20000 Hz | JBL TUNE 770NC offer a larger frequency range than EPOS I SENNHEISER IMPACT SC 660 TC. |
| Sensitivity | 103 dB | 100 dB | EPOS I SENNHEISER IMPACT SC 660 TC have higher sensitivity than JBL TUNE 770NC. |
| Impedance | 200 Ohm | 32 Ohm | |
| Max Sound Pressure | - | 94 dB | |
| Diaphragm | - | 40 mm | |
| Simultaneously Connectable Devices Qty (Multipoint) | - | 2 | JBL TUNE 770NC have the ability to connect to multiple devices simultaneously. |
| Magnet Material | Neodymium | - | |
| Features | - | TalkThru technology, MultiPoint Technology, Ambient Aware, Speed Charge, Smart Ambient, VoiceAware |
| MICROPHONE | EPOS I SENNHEISER IMPACT SC 660 TC | JBL TUNE 770NC |
|---|
| Form Factor | Headset microphone | Built-in | |
|---|---|---|---|
| Type | Boom | - | |
| Frequency Response | 150 - 6800 Hz | - | |
| Sensitivity | - | -40 dBV/Pascal |
| REMOTE CONTROL | EPOS I SENNHEISER IMPACT SC 660 TC | JBL TUNE 770NC |
|---|
| Controls | - | Voice assistant |
|---|
| CABLE | EPOS I SENNHEISER IMPACT SC 660 TC | JBL TUNE 770NC |
|---|
| Cable Type | Headset cable - 1 m | Charging cable - 1.2 m Audio cable - 1.2 m |
|
|---|---|---|---|
| Cable Length | - | 1.2 m | |
| Detachable Cable | - | Yes |
| BATTERY AND CHARGING | EPOS I SENNHEISER IMPACT SC 660 TC | JBL TUNE 770NC |
|---|
| Battery Type | - | Headphone battery rechargeable - Lithium Ion | |
|---|---|---|---|
| Battery Capacity | - | 690 mAh | |
| Battery Life | - | 70 hour(s) | |
| Battery Life Details | - | Continuous playback (active noise-cancelling on) (noise cancelling ON / Bluetooth): up to 44 hours Continuous playback (active noise-cancelling off) (noise cancelling OFF / Bluetooth): up to 70 hours Continuous playback (active noise-cancelling on) (noise cancelling ON): up to 30 hours Continuous talk (active noise-cancelling on) (noise cancelling ON): up to 30 hours Continuous talk (active noise-cancelling off) (noise cancelling OFF): up to 39 hours |
|
| Charging Time | - | 2 hour(s) |
| CONNECTIONS | EPOS I SENNHEISER IMPACT SC 660 TC | JBL TUNE 770NC |
|---|
| Connector Type | Headset (EasyDisconnect) | - |
|---|
| OTHERS | EPOS I SENNHEISER IMPACT SC 660 TC | JBL TUNE 770NC |
|---|
| Included Accessories | Carrying pouch, leatherette ear pads, cable clip | Audio cable, USB-C charging cable | |
|---|---|---|---|
| Service & Support | Limited warranty - 3 years | - |
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