In depth comparison and review of beyerdynamic DT 990 PRO and EPOS I SENNHEISER ADAPT 561 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 | beyerdynamic DT 990 PRO | EPOS I SENNHEISER ADAPT 561 II |
|---|
| Product Type | Headphones - wired - 3.5 mm jack | Headset - Bluetooth - wireless | |
|---|---|---|---|
| Series | - | ADAPT 500 Series | |
| Weight | 250 g | 232 g | EPOS I SENNHEISER ADAPT 561 II are lighter than beyerdynamic DT 990 PRO headphones. |
| Colour | Black | - | |
| Earpad Material | - | Plush, textured fabric | |
| Recommended Use | - | Portable electronics, computer | |
| Bluetooth Range (Operating Distance) | - | 25 m |
| SOUND QUALITY | beyerdynamic DT 990 PRO | EPOS I SENNHEISER ADAPT 561 II |
|---|
| Headphones Form Factor | Full size | On-ear | |
|---|---|---|---|
| Headphones Technology | Dynamic | Dynamic | |
| Ear Cups Type | Open | Closed | |
| Connectivity Technology | Wired | Wireless | |
| Wireless Technology | - | Bluetooth | |
| Bluetooth Version | - | Bluetooth 5.0 | |
| Bluetooth Audio Codec | - | SBC, AAC | |
| Active Noise Cancelling | - | Yes | EPOS I SENNHEISER ADAPT 561 II are equipped with active noice cancellation. |
| Active Noise Cancelling Technology | - | Hybrid ANC | |
| Sound Output Mode | Stereo | Stereo | |
| Sound Effects | - | EPOS Voice | |
| Frequency Response | 5 - 35000 Hz | 20 - 20000 Hz | beyerdynamic DT 990 PRO offer a larger frequency range than EPOS I SENNHEISER ADAPT 561 II. |
| Max Input Power | 100 mW | - | |
| Total Harmonic Distortion (THD) | 0.2% | <0.3% | beyerdynamic DT 990 PRO have lower total harmonic distortion than beyerdynamic DT 990 PRO. |
| Sensitivity | 96 dB | - | |
| Impedance | 250 Ohm | 32 Ohm | |
| Max Sound Pressure | - | 108 dB | |
| Features | - | Audio prompts |
| MICROPHONE | beyerdynamic DT 990 PRO | EPOS I SENNHEISER ADAPT 561 II |
|---|
| Form Factor | - | Headset microphone | |
|---|---|---|---|
| Type | - | Boom | |
| Microphone Operation Mode | - | Beamforming, MEMS-directional | |
| Frequency Response | - | 100 - 10000 Hz | |
| Microphones Included | - | 2 |
| CABLE | beyerdynamic DT 990 PRO | EPOS I SENNHEISER ADAPT 561 II |
|---|
| Cable Type | Headphones cable - 3 m | USB-C to USB-C cable - detachable | |
|---|---|---|---|
| Cable Length | 3 m | - | |
| Plated Connector | Gold | - |
| FEATURES | beyerdynamic DT 990 PRO | EPOS I SENNHEISER ADAPT 561 II |
|---|
| Features | - | EPOS ActiveGard |
|---|
| BATTERY AND CHARGING | beyerdynamic DT 990 PRO | EPOS I SENNHEISER ADAPT 561 II |
|---|
| Battery Type | - | Headset battery rechargeable | |
|---|---|---|---|
| Battery Life Details | - | Continuous playback (noise cancelling OFF): up to 46 hours Continuous talk (noise cancelling OFF): up to 41 hours Continuous playback (noise cancelling ON): up to 24 hours Continuous talk (noise cancelling ON): up to 24 hours |
|
| Standby Time | - | 81 day | |
| Charging Time | - | 220 min |
| CONNECTIONS | beyerdynamic DT 990 PRO | EPOS I SENNHEISER ADAPT 561 II |
|---|
| Connector Type | Headphones (mini-phone 3.5mm) | - |
|---|
| OTHERS | beyerdynamic DT 990 PRO | EPOS I SENNHEISER ADAPT 561 II |
|---|
| Included Accessories | 6.3 mm (1/4") stereo adapter | Carrying case, BTD 800 USB-C dongle, USB-C to USB-C cable | |
|---|---|---|---|
| Software Certification | - | Zoom Certified, Certified for Microsoft Teams, Optimised for UC, Optimised for Google Meet | |
| Service & Support | - | Limited warranty - 2 years |
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