Side by side comparison and review of Razer Opus and EPOS I SENNHEISER ADAPT 165 USB II. Compare design, sound quality and other key specifications and features to simplify the choice of your perfect headphones. Our goal is to make it easier for you to decide on the headphones that will best meet your expectations by revealing the main differences between the products.
| DESIGN AND DIMENSIONS | Razer Opus | EPOS I SENNHEISER ADAPT 165 USB II |
|---|
| Product Type | Headphones - Bluetooth - wireless, wired - 3.5 mm jack | Headset - wired - USB, 3.5 mm jack | |
|---|---|---|---|
| Weight | 265 g | 135.8 g | EPOS I SENNHEISER ADAPT 165 USB II are lighter than Razer Opus headphones. |
| Colour | Black | Black | |
| Earpad Material | Memory foam, nylon, protein-leather, plush | Leatherette | |
| Headband Material | Leatherette | - | |
| Recommended Use | Portable electronics | Portable electronics, computer |
| SOUND QUALITY | Razer Opus | EPOS I SENNHEISER ADAPT 165 USB II |
|---|
| Headphones Form Factor | Full size | On-ear | |
|---|---|---|---|
| Headphones Technology | Dynamic | Dynamic | |
| Ear Cups Type | Closed | - | |
| Adjustable Headband | Yes | - | |
| Foldable | - | Yes | EPOS I SENNHEISER ADAPT 165 USB II can be folded. |
| Connectivity Technology | Wireless, wired | Wired | |
| Wireless Technology | Bluetooth | - | |
| Bluetooth Version | Bluetooth 4.2 | - | |
| Bluetooth Profiles | Hands-Free Profile (HFP), Advanced Audio Distribution Profile (A2DP), Audio/Video Remote Control Profile (AVRCP) | - | |
| Bluetooth Audio Codec | SBC, aptX | - | |
| Active Noise Cancelling | Yes | - | Razer Opus are equipped with active noice cancellation. |
| Active Noise Cancelling Technology | Advanced ANC | - | |
| Sound Output Mode | Stereo | Stereo | |
| Sound Effects | - | EPOS Voice | |
| Frequency Response | 20 - 20000 Hz | 20 - 20000 Hz | Both headphones offer the same frequency response. |
| Sensitivity | 105 dB/mW | - | |
| Impedance | 12 Ohm | - | |
| Max Sound Pressure | - | 115 dB | |
| Diaphragm | 40 mm | - | |
| Magnet Material | - | Neodymium | |
| Features | Quick Attention function | - | |
| In-Cord Volume Control | - | Yes |
| MICROPHONE | Razer Opus | EPOS I SENNHEISER ADAPT 165 USB II |
|---|
| Form Factor | Built-in | - | |
|---|---|---|---|
| Type | - | Boom | |
| Microphone Operation Mode | Omni-directional | - | |
| Frequency Response | 100 - 10000 Hz | 100 - 8000 Hz | Razer Opus offer a larger microphone frequency range than EPOS I SENNHEISER ADAPT 165 USB II. |
| Sensitivity | -38 dBV/Pascal | - | |
| Microphones Included | 2 | - |
| REMOTE CONTROL | Razer Opus | EPOS I SENNHEISER ADAPT 165 USB II |
|---|
| Controls | Power on/off, volume control, multiple function button, ANC/ambient | Volume, answer/end, microphone on/mute, hold, redial |
|---|
| CABLE | Razer Opus | EPOS I SENNHEISER ADAPT 165 USB II |
|---|
| Cable Type | USB-C cable - detachable - 30 cm Audio cable - detachable - L shaped / mini-phone stereo 3.5 mm - 1.5 m USB-A to USB-C adapter - detachable Airplane connection adapter - detachable |
Headset cable USB cable - detachable |
|
|---|---|---|---|
| Detachable Cable | Yes | - |
| BATTERY AND CHARGING | Razer Opus | EPOS I SENNHEISER ADAPT 165 USB II |
|---|
| Battery Type | Headphone battery rechargeable | - | |
|---|---|---|---|
| Battery Life | 25 hour(s) | - |
| CONNECTIONS | Razer Opus | EPOS I SENNHEISER ADAPT 165 USB II |
|---|
| Connector Type | Audio input (mini-phone stereo 3.5 mm) USB (24 pin USB-C) |
USB (4 PIN USB Type A) Headset (mini-phone stereo 3.5 mm 4-pole) |
|---|
| OTHERS | Razer Opus | EPOS I SENNHEISER ADAPT 165 USB II |
|---|
| Included Accessories | Carrying case, USB-C charging cable, 3.5 mm audio cable (1.5 m) | - | |
|---|---|---|---|
| Software Certification | - | Optimised for UC | |
| Compliant Standards | THX Certified | - | |
| Service & Support | Limited warranty - 2 years | Limited warranty - 2 years |
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