In depth comparison and review of Panasonic RP-HF400B 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 | Panasonic RP-HF400B | EPOS I SENNHEISER ADAPT 135 USB II |
|---|
| Product Type | Headphones - Bluetooth - wireless | Headset - wired - USB, 3.5 mm jack | |
|---|---|---|---|
| Series | - | ADAPT 100 Series | |
| Weight | 130 g | 145.3 g | Panasonic RP-HF400B are lighter than Panasonic RP-HF400B headphones. |
| Colour | Black | Black | |
| Earpad Material | - | Leatherette | |
| Recommended Use | Portable electronics | Portable electronics, computer | |
| Bluetooth Range (Operating Distance) | 10 m | - |
| SOUND QUALITY | Panasonic RP-HF400B | EPOS I SENNHEISER ADAPT 135 USB II |
|---|
| Headphones Form Factor | On-ear | On-ear | |
|---|---|---|---|
| Headphones Technology | - | Dynamic | |
| Foldable | Yes | - | Panasonic RP-HF400B can be folded. |
| 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 | - | 20 - 20000 Hz | |
| Impedance | 32 Ohm | - | |
| Max Sound Pressure | - | 115 dB | |
| Diaphragm | 30 mm | - | |
| Magnet Material | Neodymium | Neodymium | |
| In-Cord Volume Control | - | Yes |
| MICROPHONE | Panasonic RP-HF400B | 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 | Panasonic RP-HF400B | EPOS I SENNHEISER ADAPT 135 USB II |
|---|
| Controls | Volume, answer/end, play/pause, next/previous track | Volume, answer/end |
|---|
| CABLE | Panasonic RP-HF400B | EPOS I SENNHEISER ADAPT 135 USB II |
|---|
| Cable Type | USB charge cable - 0.1 m | Headset cable |
|---|
| FEATURES | Panasonic RP-HF400B | EPOS I SENNHEISER ADAPT 135 USB II |
|---|
| Features | - | EPOS ActiveGard |
|---|
| BATTERY AND CHARGING | Panasonic RP-HF400B | EPOS I SENNHEISER ADAPT 135 USB II |
|---|
| Battery Type | Headphone battery rechargeable | - | |
|---|---|---|---|
| Battery Life | 20 hour(s) | - | |
| Charging Time | 3 hour(s) | - |
| WIRELESS LINK | Panasonic RP-HF400B | EPOS I SENNHEISER ADAPT 135 USB II |
|---|
| Transmission Range | 10 m | - |
|---|
| CONNECTIONS | Panasonic RP-HF400B | EPOS I SENNHEISER ADAPT 135 USB II |
|---|
| Connector Type | Bluetooth | Headset (USB Type-A) Headset (mini-phone 3.5mm) |
|---|
| OTHERS | Panasonic RP-HF400B | EPOS I SENNHEISER ADAPT 135 USB II |
|---|
| Software Certification | - | Optimised for UC | |
|---|---|---|---|
| Service & Support | - | Limited warranty - 2 years |
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