In depth comparison and review of Sennheiser HD 250BT 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 | Sennheiser HD 250BT | Sony WH-CH520 |
|---|
| Product Type | Headphones - Bluetooth - wireless | Headphones - Bluetooth - wireless | |
|---|---|---|---|
| Weight | 125 g | 147 g | Sennheiser HD 250BT are lighter than Sennheiser HD 250BT headphones. |
| Colour | - | Beige | Black | Blue | White | |
| Body Material | - | Recycled plastic | |
| Recommended Use | Portable electronics | Portable electronics | |
| Bluetooth Range (Operating Distance) | - | 10 m |
| SOUND QUALITY | Sennheiser HD 250BT | Sony WH-CH520 |
|---|
| Headphones Form Factor | On-ear | On-ear | |
|---|---|---|---|
| Headphones Technology | Dynamic | - | |
| Ear Cups Type | Closed | Closed | |
| Adjustable Headband | Yes | Yes | |
| Connectivity Technology | Wireless | Wireless | |
| Wireless Technology | Bluetooth | Bluetooth | |
| Bluetooth Version | Bluetooth 5.0 | Bluetooth 5.2 | Sony WH-CH520 have a more advanced version of Bluetooth than Sennheiser HD 250BT. |
| Bluetooth Profiles | Hands-Free Profile (HFP), Headset Profile (HSP), Advanced Audio Distribution Profile (A2DP), Audio/Video Remote Control Profile (AVRCP) | Hands-Free Profile (HFP), Headset Profile (HSP), Advanced Audio Distribution Profile (A2DP), Audio/Video Remote Control Profile (AVRCP) | |
| Bluetooth Audio Codec | SBC, AAC, aptX, apt-X LL | SBC, AAC | |
| Noise Isolating | Yes | - | Sennheiser HD 250BT are equipped with a noise isolating function. |
| Sound Output Mode | Stereo | Stereo | |
| Sound Effects | - | Digital Sound Enhancement Engine (DSEE), 360 Reality Audio | |
| Frequency Response | 20 - 22000 Hz | 20 - 20000 Hz | Sennheiser HD 250BT offer a larger frequency range than Sony WH-CH520. |
| Total Harmonic Distortion (THD) | <0.3% | - | |
| Sensitivity | 110 dB | - | |
| Diaphragm | 32 mm | 30 mm | Sennheiser HD 250BT have a thicker diaphragm than Sony WH-CH520. |
| Simultaneously Connectable Devices Qty (Multipoint) | - | 2 | Sony WH-CH520 have the ability to connect to multiple devices simultaneously. |
| Features | Audio prompts | MultiPoint Technology, Google Fast Pair, Microsoft Swift Pair |
| MICROPHONE | Sennheiser HD 250BT | Sony WH-CH520 |
|---|
| Form Factor | Built-in | Built-in | |
|---|---|---|---|
| Microphone Technology | Electret condenser | - | |
| Microphone Operation Mode | Omni-directional | - | |
| Frequency Response | 100 - 10000 Hz | - |
| REMOTE CONTROL | Sennheiser HD 250BT | Sony WH-CH520 |
|---|
| Controls | Volume, on/off, answer/end, hold, play/pause, next/previous track, reject call | Volume, play/pause, skip track |
|---|
| CABLE | Sennheiser HD 250BT | Sony WH-CH520 |
|---|
| Cable Type | USB-C charge cable - detachable | USB-C charge cable |
|---|
| FEATURES | Sennheiser HD 250BT | Sony WH-CH520 |
|---|
| Internet of Things (IoT) Compatible | - | Yes | |
|---|---|---|---|
| Voice Control | - | Direct | |
| Intelligent Assistant | - | Siri, Google Assistant |
| BATTERY AND CHARGING | Sennheiser HD 250BT | Sony WH-CH520 |
|---|
| Battery Type | Headphone battery rechargeable | Headphone battery rechargeable | |
|---|---|---|---|
| Battery Capacity | 190 mAh | - | |
| Battery Life | 25 hour(s) | 50 hour(s) | Sony WH-CH520 lasts longer on a single charge than the Sennheiser HD 250BT. |
| Battery Life Details | - | Continuous playback: up to 50 hours Continuous talk: up to 40 hours |
|
| Standby Time | - | 200 hours | |
| Charging Time | 3 hour(s) | 3 hour(s) | The charging of both headphones last the same time. |
| CONNECTIONS | Sennheiser HD 250BT | Sony WH-CH520 |
|---|
| Connector Type | - | USB (power only) (USB Type-C) Bluetooth |
|---|
| OTHERS | Sennheiser HD 250BT | Sony WH-CH520 |
|---|
| Included Accessories | USB-C charging cable | - | |
|---|---|---|---|
| Compatibility | iPhone, Android phone | - | |
| Compliant Standards | Bluetooth Class 1 | - |
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