In depth comparison and review of KEF M500 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 | KEF M500 | EPOS I SENNHEISER ADAPT 561 II |
|---|
| Product Type | Headset - wired | Headset - Bluetooth - wireless | |
|---|---|---|---|
| Series | - | ADAPT 500 Series | |
| Weight | 208 g | 232 g | KEF M500 are lighter than KEF M500 headphones. |
| Colour | Classic | - | |
| Body Material | Aluminium alloy | - | |
| Earpad Material | - | Plush, textured fabric | |
| Recommended Use | Portable electronics, phone | Portable electronics, computer | |
| Bluetooth Range (Operating Distance) | - | 25 m |
| SOUND QUALITY | KEF M500 | EPOS I SENNHEISER ADAPT 561 II |
|---|
| Headphones Form Factor | On-ear | On-ear | |
|---|---|---|---|
| Headphones Technology | - | Dynamic | |
| Ear Cups Type | - | Closed | |
| Adjustable Headband | Yes | - | |
| Foldable | Yes | - | KEF M500 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 | 20 - 20000 Hz | 20 - 20000 Hz | Both headphones offer the same frequency response. |
| Max Input Power | 30 mW | - | |
| Total Harmonic Distortion (THD) | - | <0.3% | |
| Sensitivity | 103 dB | - | |
| Impedance | 32 Ohm | 32 Ohm | |
| Max Sound Pressure | - | 108 dB | |
| Diaphragm | 40 mm | - | |
| Magnet Material | Neodymium | - | |
| Features | - | Audio prompts | |
| In-Cord Volume Control | Yes | - |
| MICROPHONE | KEF M500 | EPOS I SENNHEISER ADAPT 561 II |
|---|
| Form Factor | - | Headset microphone | |
|---|---|---|---|
| Type | On-cable | Boom | |
| Microphone Operation Mode | - | Beamforming, MEMS-directional | |
| Frequency Response | - | 100 - 10000 Hz | |
| Microphones Included | - | 2 |
| REMOTE CONTROL | KEF M500 | EPOS I SENNHEISER ADAPT 561 II |
|---|
| Controls | Volume, answer/end, play/pause, next/previous track | - |
|---|
| CABLE | KEF M500 | EPOS I SENNHEISER ADAPT 561 II |
|---|
| Cable Type | 2 x headset cable - 1.3 m | USB-C to USB-C cable - detachable | |
|---|---|---|---|
| Plated Connector | Gold | - |
| FEATURES | KEF M500 | EPOS I SENNHEISER ADAPT 561 II |
|---|
| Features | - | EPOS ActiveGard |
|---|
| BATTERY AND CHARGING | KEF M500 | 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 | KEF M500 | EPOS I SENNHEISER ADAPT 561 II |
|---|
| Connector Type | Headset (mini-phone stereo 3.5 mm) | - |
|---|
| OTHERS | KEF M500 | EPOS I SENNHEISER ADAPT 561 II |
|---|
| Included Accessories | Protective case, in-flight plug adapter, 3.5 mm to 6.3 mm 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 - 1 year | Limited warranty - 2 years |
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