Apple AirPods Pro (1st generation) vs. Sennheiser CX 400BT

Headphones Comparison, Reviews and Tests

Detailed comparison and review of Apple AirPods Pro (1st generation) 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

Apple AirPods Pro (1st generation) vs. Sennheiser CX 400BT Comparison Chart
DESIGN AND DIMENSIONS Apple AirPods Pro (1st generation) Sennheiser CX 400BT
Product Type True wireless earphones - Bluetooth - wireless True wireless earphones - Bluetooth - wireless
Product Generation 1st generation -
Height 3.09 cm -
Width 2.18 cm -
Depth 2.4 cm -
Weight 5.4 g -
Dimensions & Weight Details Charging case: 6.06 cm x 2.17 cm x 4.52 cm / 45.6 g Earbud: 6 g
Charging case: 37 g
Colour - White | Black
Protection IPX4 -
Recommended Use Portable electronics Portable electronics
SOUND QUALITY Apple AirPods Pro (1st generation) Sennheiser CX 400BT
Headphones Form Factor In-ear In-ear
Headphones Technology - Dynamic
Connectivity Technology Wireless Wireless
Wireless Technology Bluetooth Bluetooth
Bluetooth Version Bluetooth 5.0 Bluetooth 5.1 Sennheiser CX 400BT have a more advanced version of Bluetooth than Apple AirPods Pro (1st generation).
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 - Apple AirPods Pro (1st generation) are equipped with active noice cancellation.
Sound Output Mode Stereo Stereo
Sound Effects Adaptive EQ -
Frequency Response - 5 - 21000 Hz
Total Harmonic Distortion (THD) - 0.08%
Max Sound Pressure - 107 dB
Diaphragm - 7 mm
Features Apple H1 chip -
MICROPHONE Apple AirPods Pro (1st generation) Sennheiser CX 400BT
Form Factor Built-in Built-in
REMOTE CONTROL Apple AirPods Pro (1st generation) Sennheiser CX 400BT
Controls Answer/end, play/pause, next/previous track, audio transparency, ANC on/off Volume control, answer/end, play/pause, next/previous track, reject call, pair mode, voice assistant, equaliser preset
CABLE Apple AirPods Pro (1st generation) Sennheiser CX 400BT
Cable Type - USB-C to USB-A cable - detachable - straight - 25 cm
FEATURES Apple AirPods Pro (1st generation) Sennheiser CX 400BT
Features - Voice alerts, touch control
Internet of Things (IoT) Compatible Yes -
Intelligent Assistant Siri Siri, Google Assistant
Sensors Dual optical sensors, motion-detecting accelerometer, speech-detecting accelerometer, force sensor -
Additional Functions Wireless audio sharing -
BATTERY AND CHARGING Apple AirPods Pro (1st generation) Sennheiser CX 400BT
Battery Type Headphone battery rechargeable - wireless charging Headphone battery rechargeable - Lithium Ion
Battery Capacity - 55 mAh
Battery Life 5 hour(s) 7 hour(s) Sennheiser CX 400BT lasts longer on a single charge than the Apple AirPods Pro (1st generation).
Battery Life Details Continuous playback: up to 4.5 hours
Continuous talk: up to 3.5 hours
Continuous playback (active noise-cancelling off): up to 5 hours
Continuous playback (with included charging case): up to 24 hours
Continuous talk (with included charging case): up to 18 hours
Continuous playback (50% volume): up to 7 hours
Continuous playback (with included charging case): up to 20 hours
Wireless Charging Standards Qi -
Charging Time - 1.5 hour(s)
Auto On/Off Yes -
Included Qty - 2
WIRELESS LINK Apple AirPods Pro (1st generation) Sennheiser CX 400BT
Radio Transmitter Power - 10 mW
OTHERS Apple AirPods Pro (1st generation) Sennheiser CX 400BT
Included Accessories 3 pairs of silicone ear tips, wireless charging case, Lightning to USB-C cable 4 pairs of earpads (extra small, small, medium, large), charging case (420 mAh)
Compatibility iPhone, iPad, iPod, Mac -
Compliant Standards - Bluetooth Class 1, Directive 2006/66/EC, WEEE 2012/19/EU, Directive 2013/56/EU
Service & Support Limited warranty - 1 year
Technical support - phone consulting - 90 days
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