In depth comparison and review of Razer Opus and EPOS I SENNHEISER ADAPT 165 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 | Razer Opus | EPOS I SENNHEISER ADAPT 165 II |
|---|
| Product Type | Headphones - Bluetooth - wireless, wired - 3.5 mm jack | Headset - wired - 3.5 mm jack | |
|---|---|---|---|
| Series | - | ADAPT 100 Series | |
| Weight | 265 g | 145.3 g | EPOS I SENNHEISER ADAPT 165 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 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 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. |
| Total Harmonic Distortion (THD) | - | 55% | |
| Sensitivity | 105 dB/mW | - | |
| Impedance | 12 Ohm | - | |
| Max Sound Pressure | - | 115 dB | |
| Diaphragm | 40 mm | - | |
| Magnet Material | - | Neodymium | |
| Features | Quick Attention function | - |
| MICROPHONE | Razer Opus | EPOS I SENNHEISER ADAPT 165 II |
|---|
| Form Factor | Built-in | - | |
|---|---|---|---|
| Type | - | Boom | |
| Microphone Operation Mode | Omni-directional | - | |
| Noise Cancelling | - | Yes | EPOS I SENNHEISER ADAPT 165 II microphone can cancel out ambient noise. |
| Frequency Response | 100 - 10000 Hz | 100 - 8000 Hz | Razer Opus offer a larger microphone frequency range than EPOS I SENNHEISER ADAPT 165 II. |
| Sensitivity | -38 dBV/Pascal | - | |
| Microphones Included | 2 | - |
| REMOTE CONTROL | Razer Opus | EPOS I SENNHEISER ADAPT 165 II |
|---|
| Controls | Power on/off, volume control, multiple function button, ANC/ambient | - |
|---|
| CABLE | Razer Opus | EPOS I SENNHEISER ADAPT 165 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 - 1.12 m | |
|---|---|---|---|
| Cable Length | - | 1.12 m | |
| Detachable Cable | Yes | - |
| FEATURES | Razer Opus | EPOS I SENNHEISER ADAPT 165 II |
|---|
| Features | - | EPOS ActiveGard |
|---|
| BATTERY AND CHARGING | Razer Opus | EPOS I SENNHEISER ADAPT 165 II |
|---|
| Battery Type | Headphone battery rechargeable | - | |
|---|---|---|---|
| Battery Life | 25 hour(s) | - |
| CONNECTIONS | Razer Opus | EPOS I SENNHEISER ADAPT 165 II |
|---|
| Connector Type | Audio input (mini-phone stereo 3.5 mm) USB (24 pin USB-C) |
Headset (mini-phone 3.5mm) |
|---|
| OTHERS | Razer Opus | EPOS I SENNHEISER ADAPT 165 II |
|---|
| Included Accessories | Carrying case, USB-C charging cable, 3.5 mm audio cable (1.5 m) | - | |
|---|---|---|---|
| Compliant Standards | THX Certified | - | |
| Service & Support | Limited warranty - 2 years | Limited warranty - 2 years |
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