In depth comparison and review of EPOS I SENNHEISER ADAPT 165 II and Sony WH-CH520. 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 165 II | Sony WH-CH520 |
|---|
| Product Type | Headset - wired - 3.5 mm jack | Headphones - Bluetooth - wireless | |
|---|---|---|---|
| Series | ADAPT 100 Series | - | |
| Weight | 145.3 g | 147 g | EPOS I SENNHEISER ADAPT 165 II are lighter than EPOS I SENNHEISER ADAPT 165 II headphones. |
| Colour | Black | Beige | Black | Blue | White | |
| Body Material | - | Recycled plastic | |
| Earpad Material | Leatherette | - | |
| Recommended Use | Portable electronics, computer | Portable electronics | |
| Bluetooth Range (Operating Distance) | - | 10 m |
| SOUND QUALITY | EPOS I SENNHEISER ADAPT 165 II | Sony WH-CH520 |
|---|
| Headphones Form Factor | On-ear | On-ear | |
|---|---|---|---|
| Headphones Technology | Dynamic | - | |
| Ear Cups Type | - | Closed | |
| Adjustable Headband | - | Yes | |
| Foldable | Yes | - | EPOS I SENNHEISER ADAPT 165 II can be folded. |
| Connectivity Technology | Wired | Wireless | |
| Wireless Technology | - | Bluetooth | |
| Bluetooth Version | - | Bluetooth 5.2 | |
| 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 | |
| Sound Output Mode | Stereo | Stereo | |
| Sound Effects | EPOS Voice | Digital Sound Enhancement Engine (DSEE), 360 Reality Audio | |
| Frequency Response | 20 - 20000 Hz | 20 - 20000 Hz | Both headphones offer the same frequency response. |
| Total Harmonic Distortion (THD) | 55% | - | |
| Max Sound Pressure | 115 dB | - | |
| Diaphragm | - | 30 mm | |
| Simultaneously Connectable Devices Qty (Multipoint) | - | 2 | Sony WH-CH520 have the ability to connect to multiple devices simultaneously. |
| Magnet Material | Neodymium | - | |
| Features | - | MultiPoint Technology, Google Fast Pair, Microsoft Swift Pair |
| MICROPHONE | EPOS I SENNHEISER ADAPT 165 II | Sony WH-CH520 |
|---|
| Form Factor | - | Built-in | |
|---|---|---|---|
| Type | Boom | - | |
| Noise Cancelling | Yes | - | EPOS I SENNHEISER ADAPT 165 II microphone can cancel out ambient noise. |
| Frequency Response | 100 - 8000 Hz | - |
| REMOTE CONTROL | EPOS I SENNHEISER ADAPT 165 II | Sony WH-CH520 |
|---|
| Controls | - | Volume, play/pause, skip track |
|---|
| CABLE | EPOS I SENNHEISER ADAPT 165 II | Sony WH-CH520 |
|---|
| Cable Type | Headset cable - 1.12 m | USB-C charge cable | |
|---|---|---|---|
| Cable Length | 1.12 m | - |
| FEATURES | EPOS I SENNHEISER ADAPT 165 II | Sony WH-CH520 |
|---|
| Features | EPOS ActiveGard | - | |
|---|---|---|---|
| Internet of Things (IoT) Compatible | - | Yes | |
| Voice Control | - | Direct | |
| Intelligent Assistant | - | Siri, Google Assistant |
| BATTERY AND CHARGING | EPOS I SENNHEISER ADAPT 165 II | Sony WH-CH520 |
|---|
| Battery Type | - | Headphone battery rechargeable | |
|---|---|---|---|
| Battery Life | - | 50 hour(s) | |
| Battery Life Details | - | Continuous playback: up to 50 hours Continuous talk: up to 40 hours |
|
| Standby Time | - | 200 hours | |
| Charging Time | - | 3 hour(s) |
| CONNECTIONS | EPOS I SENNHEISER ADAPT 165 II | Sony WH-CH520 |
|---|
| Connector Type | Headset (mini-phone 3.5mm) | USB (power only) (USB Type-C) Bluetooth |
|---|
| OTHERS | EPOS I SENNHEISER ADAPT 165 II | Sony WH-CH520 |
|---|
| Service & Support | Limited warranty - 2 years | - |
|---|
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