Side by side comparison and review of JBL LIVE 660NC and EPOS I SENNHEISER ADAPT 135 USB II. Compare design, sound quality and other key specifications and features to simplify the choice of your perfect headphones. Our goal is to make it easier for you to decide on the headphones that will best meet your expectations by revealing the main differences between the products.
| DESIGN AND DIMENSIONS | JBL LIVE 660NC | EPOS I SENNHEISER ADAPT 135 USB II |
|---|
| Product Type | Headphones - Bluetooth - wireless, wired - 3.5 mm jack | Headset - wired - USB, 3.5 mm jack | |
|---|---|---|---|
| Series | - | ADAPT 100 Series | |
| Weight | 265 g | 145.3 g | EPOS I SENNHEISER ADAPT 135 USB II are lighter than JBL LIVE 660NC headphones. |
| Colour | Blue | White | Black | Black | |
| Earpad Material | - | Leatherette | |
| Recommended Use | Portable electronics | Portable electronics, computer |
| SOUND QUALITY | JBL LIVE 660NC | EPOS I SENNHEISER ADAPT 135 USB II |
|---|
| Headphones Form Factor | Full size | On-ear | |
|---|---|---|---|
| Headphones Technology | Dynamic | Dynamic | |
| Adjustable Headband | Yes | - | |
| Connectivity Technology | Wireless, wired | 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 LIVE 660NC are equipped with active noice cancellation. |
| Active Noise Cancelling Technology | Adaptive Noise Cancelling | - | |
| Sound Output Mode | Stereo | Stereo | |
| Sound Effects | Signature Sound | EPOS Voice | |
| Frequency Response | 16 - 20000 Hz | 20 - 20000 Hz | JBL LIVE 660NC offer a larger frequency range than EPOS I SENNHEISER ADAPT 135 USB II. |
| Sensitivity | 97 dB/mW | - | |
| Impedance | 32 Ohm | - | |
| Max Sound Pressure | 94 dB | 115 dB | |
| Diaphragm | 40 mm | - | |
| Magnet Material | - | Neodymium | |
| Features | Voice control, TalkThru technology, MultiPoint Technology, Ambient Aware, Google Fast Pair, Auto Play, Auto Pause, Speed Charge, Smart Ambient | - | |
| In-Cord Volume Control | - | Yes |
| MICROPHONE | JBL LIVE 660NC | EPOS I SENNHEISER ADAPT 135 USB II |
|---|
| Form Factor | Built-in | - | |
|---|---|---|---|
| Type | - | Boom | |
| Microphone Operation Mode | Stereo | Mono | |
| Noise Cancelling | - | Yes | EPOS I SENNHEISER ADAPT 135 USB II microphone can cancel out ambient noise. |
| Frequency Response | - | 100 - 8000 Hz | |
| Sensitivity | -19 dBV/Pascal | - |
| REMOTE CONTROL | JBL LIVE 660NC | EPOS I SENNHEISER ADAPT 135 USB II |
|---|
| Controls | Voice assistant | Volume, answer/end |
|---|
| CABLE | JBL LIVE 660NC | EPOS I SENNHEISER ADAPT 135 USB II |
|---|
| Cable Type | USB-C charge cable - detachable Headphones cable - detachable |
Headset cable | |
|---|---|---|---|
| Detachable Cable | Yes | - |
| FEATURES | JBL LIVE 660NC | EPOS I SENNHEISER ADAPT 135 USB II |
|---|
| Features | - | EPOS ActiveGard | |
|---|---|---|---|
| Intelligent Assistant | Google Assistant, Alexa | - |
| BATTERY AND CHARGING | JBL LIVE 660NC | EPOS I SENNHEISER ADAPT 135 USB II |
|---|
| Battery Type | Headphone battery rechargeable - lithium polymer | - | |
|---|---|---|---|
| Battery Capacity | 750 mAh | - | |
| Battery Life | 50 hour(s) | - | |
| Battery Life Details | Continuous playback (active noise-cancelling on) (noise cancelling ON / Bluetooth): up to 40 hours Continuous playback (active noise-cancelling off) (noise cancelling OFF / Bluetooth): up to 50 hours |
- | |
| Charging Time | 2 hour(s) | - |
| CONNECTIONS | JBL LIVE 660NC | EPOS I SENNHEISER ADAPT 135 USB II |
|---|
| Connector Type | Headphones (mini-phone stereo 3.5 mm) | Headset (USB Type-A) Headset (mini-phone 3.5mm) |
|---|
| OTHERS | JBL LIVE 660NC | EPOS I SENNHEISER ADAPT 135 USB II |
|---|
| Included Accessories | Carrying case, USB-C charging cable | - | |
|---|---|---|---|
| Compatibility | Android phone | - | |
| Software Certification | - | Optimised for UC | |
| Service & Support | Limited warranty - 1 year | Limited warranty - 2 years |
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