In depth comparison and review of JBL Quantum 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 Quantum 300 | EPOS I SENNHEISER ADAPT 135T USB-C II |
|---|
| Product Type | Headset - wired - USB, 3.5 mm jack | Headset - wired - 3.5 mm jack, USB-C | |
|---|---|---|---|
| Series | - | ADAPT 100 Series | |
| Weight | 245 g | 145.3 g | EPOS I SENNHEISER ADAPT 135T USB-C II are lighter than JBL Quantum 300 headphones. |
| Colour | Black | Black | |
| Earpad Material | Memory foam | Leatherette | |
| Recommended Use | - | Portable electronics, computer |
| SOUND QUALITY | JBL Quantum 300 | EPOS I SENNHEISER ADAPT 135T USB-C II |
|---|
| Headphones Form Factor | Full size | On-ear | |
|---|---|---|---|
| Headphones Technology | - | Dynamic | |
| Connectivity Technology | Wired | Wired | |
| Sound Output Mode | Stereo | Stereo | |
| Sound Effects | - | EPOS Voice | |
| Frequency Response | 20 - 20000 Hz | 20 - 20000 Hz | Both headphones offer the same frequency response. |
| Max Input Power | 30 mW | - | |
| Sensitivity | 100 dB | - | |
| Impedance | 32 Ohm | - | |
| Max Sound Pressure | - | 115 dB | |
| Magnet Material | - | Neodymium | |
| Features | JBL Quantum SURROUND | - | |
| In-Cord Volume Control | - | Yes |
| MICROPHONE | JBL Quantum 300 | EPOS I SENNHEISER ADAPT 135T USB-C II |
|---|
| Form Factor | Detachable headset microphone | - | |
|---|---|---|---|
| Type | Boom | 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 - 10000 Hz | 100 - 8000 Hz | JBL Quantum 300 offer a larger microphone frequency range than EPOS I SENNHEISER ADAPT 135T USB-C II. |
| Sensitivity | -40 dB | - |
| REMOTE CONTROL | JBL Quantum 300 | EPOS I SENNHEISER ADAPT 135T USB-C II |
|---|
| Controls | - | Volume, answer/end |
|---|
| CABLE | JBL Quantum 300 | EPOS I SENNHEISER ADAPT 135T USB-C II |
|---|
| Cable Type | - | Headset cable |
|---|
| FEATURES | JBL Quantum 300 | EPOS I SENNHEISER ADAPT 135T USB-C II |
|---|
| Features | - | EPOS ActiveGard |
|---|
| CONNECTIONS | JBL Quantum 300 | EPOS I SENNHEISER ADAPT 135T USB-C II |
|---|
| Connector Type | Headphones (mini-phone stereo 3.5 mm 4-pole) | Headset (USB Type-C) Headset (mini-phone 3.5mm) |
|---|
| OTHERS | JBL Quantum 300 | EPOS I SENNHEISER ADAPT 135T USB-C II |
|---|
| Included Accessories | USB adapter | - | |
|---|---|---|---|
| Software Certification | - | Certified for Microsoft Teams, Optimised for UC | |
| Service & Support | 1-year warranty | Limited warranty - 2 years |
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