Sennheiser CX Plus vs. JBL TUNE Flex

Headphones Comparison, Reviews and Tests

Detailed comparison and review of Sennheiser CX Plus and JBL TUNE Flex. 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 Plus vs. JBL TUNE Flex Comparison Chart
DESIGN AND DIMENSIONS Sennheiser CX Plus JBL TUNE Flex
Product Type True wireless earphones - Bluetooth - wireless True wireless earphones - Bluetooth - wireless
Dimensions & Weight Details Earbud: 5.9 cm x 3.38 cm x 4.23 cm / 6 g
Charging case: 35 g
Charging case: 5.15 cm x 2.93 cm x 4.7 cm / 38.6 g
Earbud: 2.05 cm x 2.02 cm x 3.49 cm / 4.8 g
Colour White | Black Blue | White | Black | Purple
Protection Splashproof, IPX4 -
Recommended Use Portable electronics Portable electronics
SOUND QUALITY Sennheiser CX Plus JBL TUNE Flex
Headphones Form Factor In-ear Ear-bud
Headphones Technology Dynamic Dynamic
Connectivity Technology Wireless Wireless
Wireless Technology Bluetooth Bluetooth
Bluetooth Version Bluetooth 5.2 Bluetooth 5.2 Both headphones have the same Bluetooth version.
Bluetooth Profiles Hands-Free Profile (HFP), 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, aptX, aptX Adaptive -
Active Noise Cancelling Yes Yes Both headphones are equipped with active noice cancellation.
Active Noise Cancelling Technology - Smart Ambient
Sound Output Mode Stereo Stereo
Sound Effects Bass Boost Pure Bass
Frequency Response 5 - 21000 Hz 20 - 20000 Hz Sennheiser CX Plus offer a larger frequency range than JBL TUNE Flex.
Sensitivity - 110 dB
Impedance - 32 Ohm
Diaphragm 7 mm 12 mm JBL TUNE Flex have a thicker diaphragm than Sennheiser CX Plus.
Simultaneously Connectable Devices Qty (Multipoint) 1 -
Features TrueResponse technology -
MICROPHONE Sennheiser CX Plus JBL TUNE Flex
Form Factor Built-in Built-in
Frequency Response 100 - 10000 Hz -
Sensitivity - -38 dBV/Pascal
Microphones Included 4 -
CABLE Sennheiser CX Plus JBL TUNE Flex
Cable Type USB-C charge cable - detachable USB-C charge cable
FEATURES Sennheiser CX Plus JBL TUNE Flex
Features Touch control -
Internet of Things (IoT) Compatible Yes -
Intelligent Assistant Siri, Google Assistant -
BATTERY AND CHARGING Sennheiser CX Plus JBL TUNE Flex
Battery Type Headphone battery rechargeable - Lithium Ion 2 x headphone battery rechargeable - lithium polymer
Battery Capacity 55 mAh 55 mAh Both headphones are designed with the same battery capacity.
Battery Life - 4.5 hours
Battery Life Details Continuous playback (with included charging case): up to 24 hours Continuous playback: up to 32 hours
Continuous playback: up to 4.5 hours
Continuous playback (ANC OFF / Bluetooth): up to 8 hours
Continuous playback (ANC ON / Bluetooth): up to 6 hours
Continuous playback (with included charging case): up to 18 hours
Charging Time 1.5 hour(s) 2 hour(s) Sennheiser CX Plus recharge faster than Sennheiser CX Plus.
Included Qty 2 2
OTHERS Sennheiser CX Plus JBL TUNE Flex
Included Accessories 4 pairs of earpads (extra small, small, medium, large), charging case (420 mAh) USB-C charging cable, 3 sizes of earhooks, charging case (570 mAh)
Compliant Standards - IPX4, GFSK, π/4 QPSK, 8DPSK
Service & Support Limited warranty - 2 years -
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