In depth comparison and review of JBL Everest 300 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 Everest 300 | EPOS I SENNHEISER ADAPT 135T USB-C II |
|---|
| Product Type | Headphones - Bluetooth - wireless | Headset - wired - 3.5 mm jack, USB-C | |
|---|---|---|---|
| Series | - | ADAPT 100 Series | |
| Height | 16.32 cm | - | |
| Width | 17.38 cm | - | |
| Depth | 7.08 cm | - | |
| Weight | 245 g | 145.3 g | EPOS I SENNHEISER ADAPT 135T USB-C II are lighter than JBL Everest 300 headphones. |
| Colour | Blue | Red | Black | White | Black | |
| Earpad Material | - | Leatherette | |
| Recommended Use | Portable electronics | Portable electronics, computer |
| SOUND QUALITY | JBL Everest 300 | EPOS I SENNHEISER ADAPT 135T USB-C II |
|---|
| Headphones Form Factor | On-ear | On-ear | |
|---|---|---|---|
| Headphones Technology | Dynamic | Dynamic | |
| Connectivity Technology | Wireless | Wired | |
| Wireless Technology | Bluetooth | - | |
| Bluetooth Version | Bluetooth 4.1 | - | |
| Bluetooth Profiles | Hands-Free Profile (HFP), Headset Profile (HSP), Advanced Audio Distribution Profile (A2DP), Audio/Video Remote Control Profile (AVRCP) | - | |
| Sound Output Mode | Stereo | Stereo | |
| Sound Effects | - | EPOS Voice | |
| Frequency Response | 10 - 22000 Hz | 20 - 20000 Hz | JBL Everest 300 offer a larger frequency range than EPOS I SENNHEISER ADAPT 135T USB-C II. |
| Max Input Power | 30 mW | - | |
| Sensitivity | 100 dB/mW | - | |
| Max Sound Pressure | 115 dB | 115 dB | |
| Diaphragm | 40 mm | - | |
| Magnet Material | - | Neodymium | |
| In-Cord Volume Control | - | Yes |
| MICROPHONE | JBL Everest 300 | EPOS I SENNHEISER ADAPT 135T USB-C II |
|---|
| Form Factor | Built-in | - | |
|---|---|---|---|
| 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 Everest 300 | EPOS I SENNHEISER ADAPT 135T USB-C II |
|---|
| Controls | - | Volume, answer/end |
|---|
| CABLE | JBL Everest 300 | EPOS I SENNHEISER ADAPT 135T USB-C II |
|---|
| Cable Type | - detachable - detachable |
Headset cable |
|---|
| FEATURES | JBL Everest 300 | EPOS I SENNHEISER ADAPT 135T USB-C II |
|---|
| Features | - | EPOS ActiveGard |
|---|
| BATTERY AND CHARGING | JBL Everest 300 | EPOS I SENNHEISER ADAPT 135T USB-C II |
|---|
| Battery Type | Rechargeable - lithium polymer | - | |
|---|---|---|---|
| Battery Capacity | 610 mAh | - | |
| Battery Life | 20 hour(s) | - | |
| Charging Time | 2.5 hour(s) | - |
| WIRELESS LINK | JBL Everest 300 | EPOS I SENNHEISER ADAPT 135T USB-C II |
|---|
| Modulation Type | GFSK, 8-DPSK, DQPSK | - |
|---|
| CONNECTIONS | JBL Everest 300 | EPOS I SENNHEISER ADAPT 135T USB-C II |
|---|
| Connector Type | (mini-phone 3.5 mm 4-pole) | Headset (USB Type-C) Headset (mini-phone 3.5mm) |
|---|
| OTHERS | JBL Everest 300 | EPOS I SENNHEISER ADAPT 135T USB-C II |
|---|
| Software Certification | - | Certified for Microsoft Teams, Optimised for UC | |
|---|---|---|---|
| Service & Support | Limited warranty - parts and labour - 1 year | Limited warranty - 2 years |
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