Bose Noise-masking Sleepbuds vs. Sennheiser CX 400BT

Headphones Comparison, Reviews and Tests

Detailed comparison and review of Bose Noise-masking Sleepbuds and Sennheiser CX 400BT. 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

Bose Noise-masking Sleepbuds vs. Sennheiser CX 400BT Comparison Chart
DESIGN AND DIMENSIONS Bose Noise-masking Sleepbuds Sennheiser CX 400BT
Product Type Earphones - Bluetooth - wireless True wireless earphones - Bluetooth - wireless
Height 2.39 cm -
Width 2.69 cm -
Depth 1.42 cm -
Weight 2.3 g -
Dimensions & Weight Details Case: 7.7 cm x 7.7 cm x 2.7 cm / 111 g Earbud: 6 g
Charging case: 37 g
Colour - White | Black
Recommended Use - Portable electronics
Bluetooth Range (Operating Distance) 9 m -
SOUND QUALITY Bose Noise-masking Sleepbuds Sennheiser CX 400BT
Headphones Form Factor In-ear In-ear
Headphones Technology - Dynamic
Connectivity Technology Wireless Wireless
Wireless Technology Bluetooth 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 Bose Noise-masking Sleepbuds Sennheiser CX 400BT
Form Factor - Built-in
REMOTE CONTROL Bose Noise-masking Sleepbuds Sennheiser CX 400BT
Controls - Volume control, answer/end, play/pause, next/previous track, reject call, pair mode, voice assistant, equaliser preset
CABLE Bose Noise-masking Sleepbuds Sennheiser CX 400BT
Cable Type USB cable USB-C to USB-A cable - detachable - straight - 25 cm
FEATURES Bose Noise-masking Sleepbuds Sennheiser CX 400BT
Features - Voice alerts, touch control
Intelligent Assistant - Siri, Google Assistant
BATTERY AND CHARGING Bose Noise-masking Sleepbuds Sennheiser CX 400BT
Battery Type Headphone battery rechargeable - zinc/silver oxide 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
Charging Time - 1.5 hour(s)
Included Qty - 2
WIRELESS LINK Bose Noise-masking Sleepbuds Sennheiser CX 400BT
Radio Transmitter Power - 10 mW
OTHERS Bose Noise-masking Sleepbuds Sennheiser CX 400BT
Included Accessories Travel bag, USB power adapter, 3 pairs of ear tips (small, medium, large), charging case 4 pairs of earpads (extra small, small, medium, large), charging case (420 mAh)
Compliant Standards - Bluetooth Class 1, Directive 2006/66/EC, WEEE 2012/19/EU, Directive 2013/56/EU
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