In depth comparison and review of EPOS I SENNHEISER ADAPT 561 II and JVC HA S91N. 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 | EPOS I SENNHEISER ADAPT 561 II | JVC HA S91N |
|---|
| Product Type | Headset - Bluetooth - wireless | Headphones - Bluetooth - wireless, wired | |
|---|---|---|---|
| Series | ADAPT 500 Series | - | |
| Weight | 232 g | 198 g | JVC HA S91N are lighter than EPOS I SENNHEISER ADAPT 561 II headphones. |
| Colour | - | Black | |
| Earpad Material | Plush, textured fabric | - | |
| Recommended Use | Portable electronics, computer | - | |
| Bluetooth Range (Operating Distance) | 25 m | 10 m | EPOS I SENNHEISER ADAPT 561 II have a greater operating distance than JVC HA S91N. |
| SOUND QUALITY | EPOS I SENNHEISER ADAPT 561 II | JVC HA S91N |
|---|
| Headphones Form Factor | On-ear | Full size | |
|---|---|---|---|
| Headphones Technology | Dynamic | - | |
| Ear Cups Type | Closed | - | |
| Foldable | - | Yes | JVC HA S91N can be folded. |
| Connectivity Technology | Wireless | Wireless, wired | |
| Wireless Technology | Bluetooth | Bluetooth | |
| Bluetooth Version | Bluetooth 5.0 | Bluetooth 5.0 | Both headphones have the same Bluetooth version. |
| Bluetooth Profiles | - | Hands-Free Profile (HFP), Headset Profile (HSP), Advanced Audio Distribution Profile (A2DP), Audio/Video Remote Control Profile (AVRCP) | |
| Bluetooth Audio Codec | SBC, AAC | SBC | |
| Active Noise Cancelling | Yes | Yes | Both headphones are equipped with active noice cancellation. |
| Active Noise Cancelling Technology | Hybrid ANC | - | |
| Sound Output Mode | Stereo | - | |
| Sound Effects | EPOS Voice | Ambient Sound Mode | |
| Frequency Response | 20 - 20000 Hz | 10 - 22000 Hz | JVC HA S91N offer a larger frequency range than EPOS I SENNHEISER ADAPT 561 II. |
| Total Harmonic Distortion (THD) | <0.3% | - | |
| Impedance | 32 Ohm | 32 Ohm | |
| Max Sound Pressure | 108 dB | - | |
| Diaphragm | - | 40 mm | |
| Magnet Material | - | Neodymium | |
| Features | Audio prompts | - |
| MICROPHONE | EPOS I SENNHEISER ADAPT 561 II | JVC HA S91N |
|---|
| Form Factor | Headset microphone | Built-in | |
|---|---|---|---|
| Type | Boom | - | |
| Microphone Operation Mode | Beamforming, MEMS-directional | - | |
| Frequency Response | 100 - 10000 Hz | - | |
| Microphones Included | 2 | - |
| REMOTE CONTROL | EPOS I SENNHEISER ADAPT 561 II | JVC HA S91N |
|---|
| Controls | - | Volume, power on/off, multiple function button, noise-cancellation on/off |
|---|
| CABLE | EPOS I SENNHEISER ADAPT 561 II | JVC HA S91N |
|---|
| Cable Type | USB-C to USB-C cable - detachable | Headphones cable - detachable - 1.2 m USB-C charge cable |
|
|---|---|---|---|
| Cable Length | - | 1.2 m | |
| Detachable Cable | - | Yes | |
| Plated Connector | - | Gold |
| FEATURES | EPOS I SENNHEISER ADAPT 561 II | JVC HA S91N |
|---|
| Features | EPOS ActiveGard | - | |
|---|---|---|---|
| Internet of Things (IoT) Compatible | - | Yes | |
| Voice Control | - | Indirect |
| BATTERY AND CHARGING | EPOS I SENNHEISER ADAPT 561 II | JVC HA S91N |
|---|
| Battery Type | Headset battery rechargeable | Headphone battery rechargeable - lithium polymer | |
|---|---|---|---|
| Battery Life | - | 42 hour(s) | |
| 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 |
Continuous playback (active noise-cancelling off): up to 42 hours Continuous playback (active noise-cancelling on): up to 37 hours |
|
| Standby Time | 81 day | - | |
| Charging Time | 220 min | 3 hour(s) | JVC HA S91N recharge faster than EPOS I SENNHEISER ADAPT 561 II. |
| CONNECTIONS | EPOS I SENNHEISER ADAPT 561 II | JVC HA S91N |
|---|
| Connector Type | - | Bluetooth Headphones (mini-phone stereo 3.5 mm) |
|---|
| OTHERS | EPOS I SENNHEISER ADAPT 561 II | JVC HA S91N |
|---|
| Included Accessories | Carrying case, BTD 800 USB-C dongle, USB-C to USB-C cable | Carrying pouch | |
|---|---|---|---|
| Software Certification | Zoom Certified, Certified for Microsoft Teams, Optimised for UC, Optimised for Google Meet | - | |
| Service & Support | Limited warranty - 2 years | 2-year warranty |
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