In depth comparison and review of Philips Fidelio X3 and EPOS I SENNHEISER ADAPT 135 USB 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 | Philips Fidelio X3 | EPOS I SENNHEISER ADAPT 135 USB II |
|---|
| Product Type | Headphones - wired - 3.5 mm jack | Headset - wired - USB, 3.5 mm jack | |
|---|---|---|---|
| Series | - | ADAPT 100 Series | |
| Height | 23 cm | - | |
| Width | 19 cm | - | |
| Depth | 11 cm | - | |
| Weight | 380 g | 145.3 g | EPOS I SENNHEISER ADAPT 135 USB II are lighter than Philips Fidelio X3 headphones. |
| Colour | - | Black | |
| Earpad Material | Memory foam | Leatherette | |
| Recommended Use | Home audio | Portable electronics, computer | |
| High-Resolution Audio | Yes | - |
| SOUND QUALITY | Philips Fidelio X3 | EPOS I SENNHEISER ADAPT 135 USB II |
|---|
| Headphones Form Factor | On-ear | On-ear | |
|---|---|---|---|
| Headphones Technology | Dynamic | Dynamic | |
| Ear Cups Type | Open | - | |
| Connectivity Technology | Wired | Wired | |
| Sound Output Mode | - | Stereo | |
| Sound Effects | - | EPOS Voice | |
| Frequency Response | 5 - 40000 Hz | 20 - 20000 Hz | Philips Fidelio X3 offer a larger frequency range than EPOS I SENNHEISER ADAPT 135 USB II. |
| Max Input Power | 500 mW | - | |
| Total Harmonic Distortion (THD) | 0.1% | - | |
| Sensitivity | 100 dB/mW | - | |
| Impedance | 30 Ohm | - | |
| Max Sound Pressure | - | 115 dB | |
| Diaphragm | LMC - 50 mm | - | |
| Magnet Material | Neodymium | Neodymium | |
| In-Cord Volume Control | - | Yes |
| MICROPHONE | Philips Fidelio X3 | EPOS I SENNHEISER ADAPT 135 USB II |
|---|
| Type | - | Boom | |
|---|---|---|---|
| Microphone Operation Mode | - | Mono | |
| Noise Cancelling | - | Yes | EPOS I SENNHEISER ADAPT 135 USB II microphone can cancel out ambient noise. |
| Frequency Response | - | 100 - 8000 Hz |
| REMOTE CONTROL | Philips Fidelio X3 | EPOS I SENNHEISER ADAPT 135 USB II |
|---|
| Controls | - | Volume, answer/end |
|---|
| CABLE | Philips Fidelio X3 | EPOS I SENNHEISER ADAPT 135 USB II |
|---|
| Cable Type | Headphones cable - detachable - 3 m | Headset cable | |
|---|---|---|---|
| Cable Length | 3 m | - | |
| Detachable Cable | Yes | - |
| FEATURES | Philips Fidelio X3 | EPOS I SENNHEISER ADAPT 135 USB II |
|---|
| Features | - | EPOS ActiveGard |
|---|
| CONNECTIONS | Philips Fidelio X3 | 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 | Philips Fidelio X3 | EPOS I SENNHEISER ADAPT 135 USB II |
|---|
| Included Accessories | 3.5 mm to 6.3 mm adapter, cable clip | - | |
|---|---|---|---|
| Software Certification | - | Optimised for UC | |
| Service & Support | Limited warranty - 2 years | Limited warranty - 2 years |
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