In depth comparison and review of EPOS I SENNHEISER IMPACT SC 660 TC and JBL TUNE 520BT. 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 | JBL TUNE 520BT |
|---|
| Product Type | Headset - wired - Easy Disconnect | Headphones - Bluetooth - wireless | |
|---|---|---|---|
| Weight | 113 g | 157 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 | White | Blue | |
| Earpad Material | Leatherette | - | |
| Recommended Use | - | Portable electronics |
| SOUND QUALITY | EPOS I SENNHEISER IMPACT SC 660 TC | JBL TUNE 520BT |
|---|
| Headphones Form Factor | On-ear | On-ear | |
|---|---|---|---|
| Headphones Technology | - | Dynamic | |
| Adjustable Headband | - | Yes | |
| Foldable | - | Yes | JBL TUNE 520BT can be folded. |
| Connectivity Technology | Wired | Wireless | |
| 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) | |
| Sound Output Mode | Stereo | Stereo | |
| Sound Effects | - | Pure Bass | |
| Frequency Response | 50 - 18000 Hz | 20 - 20000 Hz | JBL TUNE 520BT offer a larger frequency range than EPOS I SENNHEISER IMPACT SC 660 TC. |
| Sensitivity | 103 dB | 102 dB | EPOS I SENNHEISER IMPACT SC 660 TC have higher sensitivity than JBL TUNE 520BT. |
| Impedance | 200 Ohm | 30 Ohm | |
| Max Sound Pressure | - | 95 dB | |
| Diaphragm | - | 33 mm | |
| Magnet Material | Neodymium | - |
| MICROPHONE | EPOS I SENNHEISER IMPACT SC 660 TC | JBL TUNE 520BT |
|---|
| Form Factor | Headset microphone | Built-in | |
|---|---|---|---|
| Type | Boom | - | |
| Frequency Response | 150 - 6800 Hz | - | |
| Sensitivity | - | -29 dB |
| REMOTE CONTROL | EPOS I SENNHEISER IMPACT SC 660 TC | JBL TUNE 520BT |
|---|
| Controls | - | Volume |
|---|
| CABLE | EPOS I SENNHEISER IMPACT SC 660 TC | JBL TUNE 520BT |
|---|
| Cable Type | Headset cable - 1 m | USB-C cable |
|---|
| FEATURES | EPOS I SENNHEISER IMPACT SC 660 TC | JBL TUNE 520BT |
|---|
| Features | - | Multipoint Pairing, VoiceAware | |
|---|---|---|---|
| Internet of Things (IoT) Compatible | - | Yes | |
| Intelligent Assistant | - | Google Assistant ready, Siri ready |
| BATTERY AND CHARGING | EPOS I SENNHEISER IMPACT SC 660 TC | JBL TUNE 520BT |
|---|
| Battery Type | - | Headphone battery rechargeable - Lithium Ion | |
|---|---|---|---|
| Battery Capacity | - | 450 mAh | |
| Battery Life | - | 57 hour(s) | |
| Battery Life Details | - | Continuous playback (with 5 min charge): up to 3 hours | |
| Charging Time | - | 2 hour(s) |
| WIRELESS LINK | EPOS I SENNHEISER IMPACT SC 660 TC | JBL TUNE 520BT |
|---|
| Modulation Type | - | GFSK, 8-DPSK, 4-DQPSK | |
|---|---|---|---|
| Radio Frequency Range | - | 2.4 - 2.4835GHz |
| CONNECTIONS | EPOS I SENNHEISER IMPACT SC 660 TC | JBL TUNE 520BT |
|---|
| Connector Type | Headset (EasyDisconnect) | - |
|---|
| OTHERS | EPOS I SENNHEISER IMPACT SC 660 TC | JBL TUNE 520BT |
|---|
| Included Accessories | Carrying pouch, leatherette ear pads, cable clip | Charging cable | |
|---|---|---|---|
| Service & Support | Limited warranty - 3 years | - |
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