Detailed comparison and review of Sennheiser HD 450BT and Sony WH-CH520. With our comprehensive overview, you can simply compare design, sound quality, but also other key features of both headphones and easily decide which ones are the right choice for you. Our goal is to help you identify the main differences between products and find the headphones that best fit your needs and expectations.
| DESIGN AND DIMENSIONS | Sennheiser HD 450BT | Sony WH-CH520 |
|---|
| Product Type | Headphones - Bluetooth - wireless | Headphones - Bluetooth - wireless | |
|---|---|---|---|
| Weight | 238 g | 147 g | Sony WH-CH520 are lighter than Sennheiser HD 450BT headphones. |
| Colour | Black | White | Beige | Black | Blue | White | |
| Body Material | - | Recycled plastic | |
| Recommended Use | - | Portable electronics | |
| Bluetooth Range (Operating Distance) | - | 10 m |
| SOUND QUALITY | Sennheiser HD 450BT | Sony WH-CH520 |
|---|
| Headphones Form Factor | Full size | On-ear | |
|---|---|---|---|
| Headphones Technology | Dynamic | - | |
| Ear Cups Type | Closed | Closed | |
| Adjustable Headband | - | Yes | |
| Foldable | Yes | - | Sennheiser HD 450BT can be folded. |
| 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 450BT. |
| 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 | |
| Active Noise Cancelling | Yes | - | Sennheiser HD 450BT are equipped with active noice cancellation. |
| Sound Output Mode | Stereo | Stereo | |
| Sound Effects | - | Digital Sound Enhancement Engine (DSEE), 360 Reality Audio | |
| Frequency Response | 18 - 22000 Hz | 20 - 20000 Hz | Sennheiser HD 450BT offer a larger frequency range than Sony WH-CH520. |
| Total Harmonic Distortion (THD) | <0.3% | - | |
| Max Sound Pressure | 108 dB | - | |
| Diaphragm | - | 30 mm | |
| Simultaneously Connectable Devices Qty (Multipoint) | - | 2 | Sony WH-CH520 have the ability to connect to multiple devices simultaneously. |
| Features | - | MultiPoint Technology, Google Fast Pair, Microsoft Swift Pair |
| MICROPHONE | Sennheiser HD 450BT | Sony WH-CH520 |
|---|
| Form Factor | Built-in | Built-in | |
|---|---|---|---|
| Microphone Operation Mode | Beamforming | - | |
| Frequency Response | 80 - 6000 Hz | - | |
| Microphones Included | 2 | - |
| REMOTE CONTROL | Sennheiser HD 450BT | Sony WH-CH520 |
|---|
| Controls | - | Volume, play/pause, skip track |
|---|
| CABLE | Sennheiser HD 450BT | Sony WH-CH520 |
|---|
| Cable Type | Audio cable - detachable USB-C charge cable - detachable |
USB-C charge cable |
|---|
| FEATURES | Sennheiser HD 450BT | Sony WH-CH520 |
|---|
| Internet of Things (IoT) Compatible | - | Yes | |
|---|---|---|---|
| Voice Control | - | Direct | |
| Intelligent Assistant | - | Siri, Google Assistant |
| BATTERY AND CHARGING | Sennheiser HD 450BT | Sony WH-CH520 |
|---|
| Battery Type | Headphone battery rechargeable - lithium polymer | Headphone battery rechargeable | |
|---|---|---|---|
| Battery Capacity | 600 mAh | - | |
| Battery Life | 30 hours | 50 hour(s) | Sony WH-CH520 lasts longer on a single charge than the Sennheiser HD 450BT. |
| Battery Life Details | - | Continuous playback: up to 50 hours Continuous talk: up to 40 hours |
|
| Standby Time | - | 200 hours | |
| Charging Time | 2 hours | 3 hour(s) | Sennheiser HD 450BT recharge faster than Sennheiser HD 450BT. |
| CONNECTIONS | Sennheiser HD 450BT | Sony WH-CH520 |
|---|
| Connector Type | - | USB (power only) (USB Type-C) Bluetooth |
|---|
| OTHERS | Sennheiser HD 450BT | Sony WH-CH520 |
|---|
| Included Accessories | Carrying case | - | |
|---|---|---|---|
| Service & Support | Limited warranty - 2 years | - |
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