Detailed comparison and review of EPOS I SENNHEISER IMPACT SC 660 TC and JBL TUNE 670NC. 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 670NC |
|---|
| Product Type | Headset - wired - Easy Disconnect | Headphones - Bluetooth - wireless, wired - 3.5 mm jack | |
|---|---|---|---|
| Weight | 113 g | 220 g | EPOS I SENNHEISER IMPACT SC 660 TC are lighter than EPOS I SENNHEISER IMPACT SC 660 TC headphones. |
| Colour | Black with silver | Black | Blue | White | Purple | |
| Earpad Material | Leatherette | - | |
| Recommended Use | - | Portable electronics |
| SOUND QUALITY | EPOS I SENNHEISER IMPACT SC 660 TC | JBL TUNE 670NC |
|---|
| Headphones Form Factor | On-ear | Over ear | |
|---|---|---|---|
| Headphones Technology | - | Dynamic | |
| Adjustable Headband | - | Yes | |
| Foldable | - | Yes | JBL TUNE 670NC can be folded. |
| Connectivity Technology | Wired | Wireless, wired | |
| Wireless Technology | - | Bluetooth | |
| Bluetooth Version | - | Bluetooth 5.0 | |
| Bluetooth Profiles | - | Hands-Free Profile (HFP), Advanced Audio Distribution Profile (A2DP), Audio/Video Remote Control Profile (AVRCP) | |
| Active Noise Cancelling | - | Yes | JBL TUNE 670NC are equipped with active noice cancellation. |
| Sound Output Mode | Stereo | Stereo | |
| Sound Effects | - | Pure Bass | |
| Frequency Response | 50 - 18000 Hz | 20 - 20000 Hz | JBL TUNE 670NC offer a larger frequency range than EPOS I SENNHEISER IMPACT SC 660 TC. |
| Sensitivity | 103 dB | 103 dB | Both headphones offer the same sensitivity. |
| Impedance | 200 Ohm | 32 Ohm | |
| Max Sound Pressure | - | 95 dB | |
| Diaphragm | - | 40 mm | |
| Magnet Material | Neodymium | - | |
| Features | - | Google Fast Pair |
| MICROPHONE | EPOS I SENNHEISER IMPACT SC 660 TC | JBL TUNE 670NC |
|---|
| Form Factor | Headset microphone | Built-in | |
|---|---|---|---|
| Type | Boom | - | |
| Frequency Response | 150 - 6800 Hz | - | |
| Sensitivity | - | -30 dBV/Pascal |
| REMOTE CONTROL | EPOS I SENNHEISER IMPACT SC 660 TC | JBL TUNE 670NC |
|---|
| Controls | - | Volume, power on/off, play/pause, skip track, pair mode, voice assistant, ANC on/off, track forward, call |
|---|
| CABLE | EPOS I SENNHEISER IMPACT SC 660 TC | JBL TUNE 670NC |
|---|
| Cable Type | Headset cable - 1 m | Audio cable - detachable - 1.2 m USB-C charge cable - detachable |
|---|
| FEATURES | EPOS I SENNHEISER IMPACT SC 660 TC | JBL TUNE 670NC |
|---|
| Features | - | Multipoint Pairing | |
|---|---|---|---|
| Voice Control | - | Indirect |
| BATTERY AND CHARGING | EPOS I SENNHEISER IMPACT SC 660 TC | JBL TUNE 670NC |
|---|
| Battery Type | - | Headphone battery rechargeable - lithium polymer | |
|---|---|---|---|
| Battery Capacity | - | 610 mAh | |
| Battery Life | - | 50 hour(s) | |
| Battery Life Details | - | Continuous playback (noise cancelling ON / Bluetooth): up to 35 hours Continuous playback (noise cancelling OFF / Bluetooth): up to 50 hours |
|
| Charging Time | - | 2 hour(s) |
| WIRELESS LINK | EPOS I SENNHEISER IMPACT SC 660 TC | JBL TUNE 670NC |
|---|
| Modulation Type | - | GFSK, 8-DPSK, 4-DQPSK | |
|---|---|---|---|
| Radio Frequency Range | - | 2.4 - 2.4835GHz |
| CONNECTIONS | EPOS I SENNHEISER IMPACT SC 660 TC | JBL TUNE 670NC |
|---|
| Connector Type | Headset (EasyDisconnect) | USB-C (power only) (24 pin USB-C) Audio input / output (mini-phone 3.5mm) |
|---|
| OTHERS | EPOS I SENNHEISER IMPACT SC 660 TC | JBL TUNE 670NC |
|---|
| Included Accessories | Carrying pouch, leatherette ear pads, cable clip | - | |
|---|---|---|---|
| Compliant Standards | - | ANATEL, EAC | |
| Service & Support | Limited warranty - 3 years | Limited warranty - 1 year |
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