Sennheiser HD 350BT vs. Sony WH-CH520

Headphones Comparison, Reviews and Tests

Detailed comparison and review of Sennheiser HD 350BT 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.

Headphones Specifications Comparison

Sennheiser HD 350BT vs. Sony WH-CH520 Comparison Chart
DESIGN AND DIMENSIONS Sennheiser HD 350BT Sony WH-CH520
Product Type Headphones - Bluetooth - wireless Headphones - Bluetooth - wireless
Weight 238 g 147 g Sony WH-CH520 are lighter than Sennheiser HD 350BT 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 350BT 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 350BT 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 350BT.
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
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 350BT 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 350BT 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 350BT Sony WH-CH520
Controls - Volume, play/pause, skip track
CABLE Sennheiser HD 350BT Sony WH-CH520
Cable Type USB-C charge cable - detachable USB-C charge cable
FEATURES Sennheiser HD 350BT Sony WH-CH520
Internet of Things (IoT) Compatible - Yes
Voice Control - Direct
Intelligent Assistant - Siri, Google Assistant
BATTERY AND CHARGING Sennheiser HD 350BT Sony WH-CH520
Battery Type Headphone battery rechargeable - lithium polymer Headphone battery rechargeable
Battery Capacity 300 mAh -
Battery Life 30 hours 50 hour(s) Sony WH-CH520 lasts longer on a single charge than the Sennheiser HD 350BT.
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 350BT recharge faster than Sennheiser HD 350BT.
CONNECTIONS Sennheiser HD 350BT Sony WH-CH520
Connector Type - USB (power only) (USB Type-C)
Bluetooth
OTHERS Sennheiser HD 350BT Sony WH-CH520
Service & Support Limited warranty - 2 years -
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