Sennheiser CX 150BT vs. Sennheiser CX True Wireless

Headphones Comparison, Reviews and Tests

In depth comparison and review of Sennheiser CX 150BT and Sennheiser CX True Wireless. Compare design, audio features, functions and other important specifications to easily choose the right headphones for you. Our goal is to help you uncover differences between the products and find the headphones that will best fit your needs.

Headphones Specifications Comparison

Sennheiser CX 150BT vs. Sennheiser CX True Wireless Comparison Chart
DESIGN AND DIMENSIONS Sennheiser CX 150BT Sennheiser CX True Wireless
Product Type Earphones - Bluetooth - wireless True wireless earphones - Bluetooth - wireless
Weight 12 g -
Dimensions & Weight Details - Earbud: 6 g
Charging case: 5.9 cm x 4.23 cm x 3.38 cm / 37 g
Colour Black | White Black | White
Protection - Splashproof, IPX4
Recommended Use Portable electronics Portable electronics
Bluetooth Range (Operating Distance) 10 m -
SOUND QUALITY Sennheiser CX 150BT Sennheiser CX True Wireless
Headphones Form Factor In-ear In-ear
Headphones Technology Dynamic Dynamic
Ear Cups Type - Closed
Connectivity Technology Wireless Wireless
Wireless Technology Bluetooth Bluetooth
Bluetooth Version Bluetooth 5.0 Bluetooth 5.2 Sennheiser CX True Wireless have a more advanced version of Bluetooth than Sennheiser CX 150BT.
Bluetooth Profiles Hands-Free Profile (HFP), Headset Profile (HSP), Advanced Audio Distribution Profile (A2DP), Audio/Video Remote Control Profile (AVRCP) Hands-Free Profile (HFP), Advanced Audio Distribution Profile (A2DP), Audio/Video Remote Control Profile (AVRCP)
Bluetooth Audio Codec SBC, AAC SBC, AAC, aptX
Noise Isolating - Yes Sennheiser CX True Wireless are equipped with a noise isolating function.
Sound Output Mode Stereo Stereo
Sound Effects - Bass Boost
Frequency Response 17 - 20000 Hz 5 - 21000 Hz Sennheiser CX True Wireless offer a larger frequency range than Sennheiser CX 150BT.
Total Harmonic Distortion (THD) 0.5% <0.08% Sennheiser CX True Wireless have lower total harmonic distortion than Sennheiser CX 150BT.
Sensitivity - 110 dB
Impedance 28 Ohm 16 Ohm
Max Sound Pressure 100 dB 110 dB
Diaphragm - 7 mm
Simultaneously Connectable Devices Qty (Multipoint) - 1
Features - TrueResponse technology
MICROPHONE Sennheiser CX 150BT Sennheiser CX True Wireless
Form Factor - Built-in
Type On-cable -
Microphone Operation Mode Omni-directional -
Frequency Response - 100 - 10000 Hz
Microphones Included - 4
REMOTE CONTROL Sennheiser CX 150BT Sennheiser CX True Wireless
Controls 3-button remote -
CABLE Sennheiser CX 150BT Sennheiser CX True Wireless
Cable Type USB-C charge cable USB-C charge cable - detachable - 25 cm
FEATURES Sennheiser CX 150BT Sennheiser CX True Wireless
Features - Touch control
Internet of Things (IoT) Compatible - Yes
Voice Control - Indirect
Intelligent Assistant - Siri, Google Assistant
BATTERY AND CHARGING Sennheiser CX 150BT Sennheiser CX True Wireless
Battery Type Headphone battery rechargeable Headphone battery rechargeable - Lithium Ion
Battery Capacity - 60 mAh
Battery Life 10 hour(s) 9 hour(s) Sennheiser CX 150BT lasts longer on a single charge than the Sennheiser CX True Wireless.
Battery Life Details - Continuous playback (50% volume): up to 9 hours
Continuous playback (with included charging case): up to 27 hours
Charging Time - 1.5 hour(s)
Included Qty - 2
OTHERS Sennheiser CX 150BT Sennheiser CX True Wireless
Included Accessories 4 pairs of ear tips (XS, S,M, L) 4 pairs of earpads (extra small, small, medium, large), charging case (400 mAh)
Compliant Standards - Bluetooth Class 1
Service & Support Limited warranty - 2 years -
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