Side by side comparison and review of Razer Opus and Poly Savi 8240-M D2. 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 | Poly Savi 8240-M D2 |
|---|
| Product Type | Headphones - Bluetooth - wireless, wired - 3.5 mm jack | Headset | |
|---|---|---|---|
| Weight | 265 g | - | |
| Colour | Black | - | |
| Earpad Material | Memory foam, nylon, protein-leather, plush | - | |
| Headband Material | Leatherette | - | |
| Recommended Use | Portable electronics | - |
| SOUND QUALITY | Razer Opus | Poly Savi 8240-M D2 |
|---|
| Headphones Form Factor | Full size | - | |
|---|---|---|---|
| Headphones Technology | Dynamic | - | |
| Ear Cups Type | Closed | - | |
| Adjustable Headband | Yes | - | |
| Connectivity Technology | Wireless, 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 | - | |
| Frequency Response | 20 - 20000 Hz | - | |
| Sensitivity | 105 dB/mW | - | |
| Impedance | 12 Ohm | - | |
| Diaphragm | 40 mm | - | |
| Features | Quick Attention function | - |
| MICROPHONE | Razer Opus | Poly Savi 8240-M D2 |
|---|
| Form Factor | Built-in | - | |
|---|---|---|---|
| Microphone Operation Mode | Omni-directional | - | |
| Frequency Response | 100 - 10000 Hz | - | |
| Sensitivity | -38 dBV/Pascal | - | |
| Microphones Included | 2 | - |
| REMOTE CONTROL | Razer Opus | Poly Savi 8240-M D2 |
|---|
| Controls | Power on/off, volume control, multiple function button, ANC/ambient | - |
|---|
| CABLE | Razer Opus | Poly Savi 8240-M D2 |
|---|
| 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 |
- | |
|---|---|---|---|
| Detachable Cable | Yes | - |
| BATTERY AND CHARGING | Razer Opus | Poly Savi 8240-M D2 |
|---|
| Battery Type | Headphone battery rechargeable | - | |
|---|---|---|---|
| Battery Life | 25 hour(s) | - |
| CONNECTIONS | Razer Opus | Poly Savi 8240-M D2 |
|---|
| Connector Type | Audio input (mini-phone stereo 3.5 mm) USB (24 pin USB-C) |
- |
|---|
| OTHERS | Razer Opus | Poly Savi 8240-M D2 |
|---|
| 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 | - |
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