Sennheiser CX 400BT vs. Belkin SoundForm Flow

Headphones Comparison, Reviews and Tests

Detailed comparison and review of Sennheiser CX 400BT and Belkin SoundForm Flow. 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 CX 400BT vs. Belkin SoundForm Flow Comparison Chart
DESIGN AND DIMENSIONS Sennheiser CX 400BT Belkin SoundForm Flow
Product Type True wireless earphones - Bluetooth - wireless True wireless earphones - Bluetooth - wireless
Dimensions & Weight Details Earbud: 6 g
Charging case: 37 g
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Colour White | Black Black | White
Protection - Sweat-resistant, IPX5, water-resistant
Recommended Use Portable electronics Portable electronics, computer
Bluetooth Range (Operating Distance) - 10 m
SOUND QUALITY Sennheiser CX 400BT Belkin SoundForm Flow
Headphones Form Factor In-ear In-ear
Headphones Technology Dynamic Dynamic
Connectivity Technology Wireless Wireless
Wireless Technology Bluetooth Bluetooth
Bluetooth Version Bluetooth 5.1 Bluetooth 5.2 Belkin SoundForm Flow have a more advanced version of Bluetooth than Sennheiser CX 400BT.
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, aptX -
Active Noise Cancelling - Yes Belkin SoundForm Flow are equipped with active noice cancellation.
Active Noise Cancelling Technology - Environmental Noise Cancellation (ENC)
Sound Output Mode Stereo Stereo
Frequency Response 5 - 21000 Hz 20 - 20000 Hz Sennheiser CX 400BT offer a larger frequency range than Belkin SoundForm Flow.
Total Harmonic Distortion (THD) 0.08% -
Max Sound Pressure 107 dB -
Diaphragm 7 mm 12 mm Belkin SoundForm Flow have a thicker diaphragm than Sennheiser CX 400BT.
Magnet Material - Neodymium magnet
Features - HearThrough
MICROPHONE Sennheiser CX 400BT Belkin SoundForm Flow
Form Factor Built-in Built-in
Microphone Operation Mode - Dual beamforming
Noise Cancelling - Yes Belkin SoundForm Flow microphone can cancel out ambient noise.
Microphones Included - 4
REMOTE CONTROL Sennheiser CX 400BT Belkin SoundForm Flow
Controls Volume control, answer/end, play/pause, next/previous track, reject call, pair mode, voice assistant, equaliser preset Answer/end, play/pause, next/previous track, reject call, HearThrough, voice assistant, ANC mode
CABLE Sennheiser CX 400BT Belkin SoundForm Flow
Cable Type USB-C to USB-A cable - detachable - straight - 25 cm USB-C charge cable
FEATURES Sennheiser CX 400BT Belkin SoundForm Flow
Features Voice alerts, touch control LED indicator
Intelligent Assistant Siri, Google Assistant -
Sensors - Touch control
BATTERY AND CHARGING Sennheiser CX 400BT Belkin SoundForm Flow
Battery Type Headphone battery rechargeable - Lithium Ion Headphone battery rechargeable - wireless charging
Battery Capacity 55 mAh -
Battery Life 7 hour(s) 7 hour(s) Both headphones last the same amount of time on a single charge.
Battery Life Details Continuous playback (50% volume): up to 7 hours
Continuous playback (with included charging case): up to 20 hours
Continuous playback (active noise-cancelling off): up to 7 hours
Continuous playback (with included charging case): up to 31 hours
Continuous playback (active noise-cancelling on): up to 5 hours
Continuous talk (active noise-cancelling on): up to 3 hours
Wireless Charging Standards - Qi
Charging Time 1.5 hour(s) 2 hour(s) Sennheiser CX 400BT recharge faster than Sennheiser CX 400BT.
Included Qty 2 -
WIRELESS LINK Sennheiser CX 400BT Belkin SoundForm Flow
Radio Transmitter Power 10 mW -
OTHERS Sennheiser CX 400BT Belkin SoundForm Flow
Included Accessories 4 pairs of earpads (extra small, small, medium, large), charging case (420 mAh) Charging case, 3 pairs of silicone ear tips (small, medium, large), USB-C charging cable
Compatibility - iPhone, iPad, Android phone, Chrome OS, Mac, Windows
Compliant Standards Bluetooth Class 1, Directive 2006/66/EC, WEEE 2012/19/EU, Directive 2013/56/EU FCC, RoHS, REACH, Qi
Service & Support - Limited warranty - 1 year
EMEA and ANZ: limited warranty - 2 years
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