Sennheiser CX 400BT vs. EPOS I SENNHEISER EDU 12 USB

Headphones Comparison, Reviews and Tests

Detailed comparison and review of Sennheiser CX 400BT and EPOS I SENNHEISER EDU 12 USB. 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. EPOS I SENNHEISER EDU 12 USB Comparison Chart
DESIGN AND DIMENSIONS Sennheiser CX 400BT EPOS I SENNHEISER EDU 12 USB
Product Type True wireless earphones - Bluetooth - wireless Headset - wired - USB
Dimensions & Weight Details Earbud: 6 g
Charging case: 37 g
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Colour White | Black -
Recommended Use Portable electronics -
SOUND QUALITY Sennheiser CX 400BT EPOS I SENNHEISER EDU 12 USB
Headphones Form Factor In-ear -
Headphones Technology Dynamic -
Connectivity Technology Wireless Wired
Wireless Technology Bluetooth -
Bluetooth Version Bluetooth 5.1 -
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 -
Sound Output Mode Stereo Stereo
Frequency Response 5 - 21000 Hz -
Total Harmonic Distortion (THD) 0.08% -
Max Sound Pressure 107 dB -
Diaphragm 7 mm -
MICROPHONE Sennheiser CX 400BT EPOS I SENNHEISER EDU 12 USB
Form Factor Built-in -
Noise Cancelling - Yes EPOS I SENNHEISER EDU 12 USB microphone can cancel out ambient noise.
REMOTE CONTROL Sennheiser CX 400BT EPOS I SENNHEISER EDU 12 USB
Controls Volume control, answer/end, play/pause, next/previous track, reject call, pair mode, voice assistant, equaliser preset -
CABLE Sennheiser CX 400BT EPOS I SENNHEISER EDU 12 USB
Cable Type USB-C to USB-A cable - detachable - straight - 25 cm -
FEATURES Sennheiser CX 400BT EPOS I SENNHEISER EDU 12 USB
Features Voice alerts, touch control -
Intelligent Assistant Siri, Google Assistant -
BATTERY AND CHARGING Sennheiser CX 400BT EPOS I SENNHEISER EDU 12 USB
Battery Type Headphone battery rechargeable - Lithium Ion -
Battery Capacity 55 mAh -
Battery Life 7 hour(s) -
Battery Life Details Continuous playback (50% volume): up to 7 hours
Continuous playback (with included charging case): up to 20 hours
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Charging Time 1.5 hour(s) -
Included Qty 2 -
WIRELESS LINK Sennheiser CX 400BT EPOS I SENNHEISER EDU 12 USB
Radio Transmitter Power 10 mW -
OTHERS Sennheiser CX 400BT EPOS I SENNHEISER EDU 12 USB
Included Accessories 4 pairs of earpads (extra small, small, medium, large), charging case (420 mAh) -
Compatibility - Chrome OS, Mac, Windows
Compliant Standards Bluetooth Class 1, Directive 2006/66/EC, WEEE 2012/19/EU, Directive 2013/56/EU -
Service & Support - Limited warranty - 2 years
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