In depth comparison and review of Sennheiser HD 2.30i 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 | Sennheiser HD 2.30i | EPOS I SENNHEISER ADAPT 561 II |
|---|
| Product Type | Headphones - wired - 3.5 mm jack | Headset - Bluetooth - wireless | |
|---|---|---|---|
| Series | HD 2 | ADAPT 500 Series | |
| Weight | 262 g | 232 g | EPOS I SENNHEISER ADAPT 561 II are lighter than Sennheiser HD 2.30i headphones. |
| Colour | Black | White | - | |
| Earpad Material | Leatherette | Plush, textured fabric | |
| Recommended Use | Portable electronics | Portable electronics, computer | |
| Bluetooth Range (Operating Distance) | - | 25 m |
| SOUND QUALITY | Sennheiser HD 2.30i | EPOS I SENNHEISER ADAPT 561 II |
|---|
| Headphones Form Factor | On-ear | On-ear | |
|---|---|---|---|
| Headphones Technology | - | Dynamic | |
| Ear Cups Type | Closed | Closed | |
| Foldable | Yes | - | Sennheiser HD 2.30i can be folded. |
| 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 | 18 - 22000 Hz | 20 - 20000 Hz | Sennheiser HD 2.30i offer a larger frequency range than EPOS I SENNHEISER ADAPT 561 II. |
| Total Harmonic Distortion (THD) | 0.5% | <0.3% | EPOS I SENNHEISER ADAPT 561 II have lower total harmonic distortion than Sennheiser HD 2.30i. |
| Sensitivity | 115 dB/Vrms | - | |
| Impedance | 22 Ohm | 32 Ohm | |
| Max Sound Pressure | 115 dB | 108 dB | |
| Features | - | Audio prompts | |
| In-Cord Volume Control | Yes | - |
| MICROPHONE | Sennheiser HD 2.30i | EPOS I SENNHEISER ADAPT 561 II |
|---|
| Form Factor | - | Headset microphone | |
|---|---|---|---|
| Type | On-cable | Boom | |
| Microphone Operation Mode | Mono, omni-directional | Beamforming, MEMS-directional | |
| Frequency Response | - | 100 - 10000 Hz | |
| Microphones Included | - | 2 |
| REMOTE CONTROL | Sennheiser HD 2.30i | EPOS I SENNHEISER ADAPT 561 II |
|---|
| Controls | Volume, answer/end, play/pause | - |
|---|
| CABLE | Sennheiser HD 2.30i | EPOS I SENNHEISER ADAPT 561 II |
|---|
| Cable Type | Headphones cable - 1.4 m | USB-C to USB-C cable - detachable | |
|---|---|---|---|
| Cable Length | 1.4 m | - | |
| Detachable Cable | Yes | - |
| FEATURES | Sennheiser HD 2.30i | EPOS I SENNHEISER ADAPT 561 II |
|---|
| Features | - | EPOS ActiveGard |
|---|
| BATTERY AND CHARGING | Sennheiser HD 2.30i | 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 | Sennheiser HD 2.30i | EPOS I SENNHEISER ADAPT 561 II |
|---|
| Connector Type | Headphones (mini-phone stereo 3.5 mm 4-pole) | - |
|---|
| OTHERS | Sennheiser HD 2.30i | EPOS I SENNHEISER ADAPT 561 II |
|---|
| Included Accessories | - | Carrying case, BTD 800 USB-C dongle, USB-C to USB-C cable | |
|---|---|---|---|
| Compatibility | iPhone | - | |
| Software Certification | - | Zoom Certified, Certified for Microsoft Teams, Optimised for UC, Optimised for Google Meet | |
| Service & Support | Limited warranty - 2 years | Limited warranty - 2 years |
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