In depth comparison and review of JBL TUNE 660NC and EPOS I SENNHEISER ADAPT 135T USB-C II. 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 | JBL TUNE 660NC | EPOS I SENNHEISER ADAPT 135T USB-C II |
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Product Type | Headphones - Bluetooth - wireless, wired | Headset - wired - 3.5 mm jack, USB-C | |
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Series | - | ADAPT 100 Series | |
Weight | 166 g | 145.3 g | EPOS I SENNHEISER ADAPT 135T USB-C II are lighter than JBL TUNE 660NC headphones. |
Colour | Blue | Pink | White | Black | Black | |
Earpad Material | - | Leatherette | |
Recommended Use | Portable electronics | Portable electronics, computer |
SOUND QUALITY | JBL TUNE 660NC | EPOS I SENNHEISER ADAPT 135T USB-C II |
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Headphones Form Factor | On-ear | On-ear | |
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Headphones Technology | - | Dynamic | |
Connectivity Technology | Wireless, wired | Wired | |
Wireless Technology | Bluetooth | - | |
Bluetooth Version | Bluetooth 5.0 | - | |
Bluetooth Profiles | Hands-Free Profile (HFP), Headset Profile (HSP), Advanced Audio Distribution Profile (A2DP), Audio/Video Remote Control Profile (AVRCP) | - | |
Active Noise Cancelling | Yes | - | JBL TUNE 660NC are equipped with active noice cancellation. |
Sound Output Mode | Stereo | Stereo | |
Sound Effects | Pure Bass | EPOS Voice | |
Frequency Response | 20 - 20000 Hz | 20 - 20000 Hz | Both headphones offer the same frequency response. |
Sensitivity | 100 dB | - | |
Impedance | 32 Ohm | - | |
Max Sound Pressure | 96 dB | 115 dB | |
Diaphragm | 32 mm | - | |
Magnet Material | - | Neodymium | |
In-Cord Volume Control | - | Yes |
MICROPHONE | JBL TUNE 660NC | EPOS I SENNHEISER ADAPT 135T USB-C II |
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Form Factor | Built-in | - | |
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Type | - | Boom | |
Microphone Operation Mode | - | Mono | |
Noise Cancelling | - | Yes | EPOS I SENNHEISER ADAPT 135T USB-C II microphone can cancel out ambient noise. |
Frequency Response | - | 100 - 8000 Hz | |
Sensitivity | -42 dBV/Pascal | - |
REMOTE CONTROL | JBL TUNE 660NC | EPOS I SENNHEISER ADAPT 135T USB-C II |
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Controls | Volume, power on/off | Volume, answer/end |
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CABLE | JBL TUNE 660NC | EPOS I SENNHEISER ADAPT 135T USB-C II |
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Cable Type | Audio cable - detachable USB-C charge cable |
Headset cable |
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FEATURES | JBL TUNE 660NC | EPOS I SENNHEISER ADAPT 135T USB-C II |
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Features | - | EPOS ActiveGard |
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BATTERY AND CHARGING | JBL TUNE 660NC | EPOS I SENNHEISER ADAPT 135T USB-C II |
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Battery Type | Headphone battery rechargeable - Lithium Ion | - | |
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Battery Capacity | 610 mAh | - | |
Battery Life | 55 hour(s) | - | |
Battery Life Details | Continuous playback (noise cancelling ON / Bluetooth): up to 44 hours Continuous playback (noise cancelling ON / cable connection): up to 35 hours Continuous playback (Bluetooth ON): up to 55 hours |
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Charging Time | 2 hour(s) | - |
CONNECTIONS | JBL TUNE 660NC | EPOS I SENNHEISER ADAPT 135T USB-C II |
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Connector Type | - | Headset (USB Type-C) Headset (mini-phone 3.5mm) |
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OTHERS | JBL TUNE 660NC | EPOS I SENNHEISER ADAPT 135T USB-C II |
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Software Certification | - | Certified for Microsoft Teams, Optimised for UC | |
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Service & Support | Limited warranty - 1 year | Limited warranty - 2 years |