Sennheiser CX 400BT vs. JBL TUNE 125TWS

Headphones Comparison, Reviews and Tests

Side by side comparison and review of Sennheiser CX 400BT and JBL TUNE 125TWS. Compare design, sound quality and other key specifications and features to simplify the choice of your perfect headphones. Our goal is to make it easier for you to decide on the headphones that will best meet your expectations by revealing the main differences between the products.

Headphones Specifications Comparison

Sennheiser CX 400BT vs. JBL TUNE 125TWS Comparison Chart
DESIGN AND DIMENSIONS Sennheiser CX 400BT JBL TUNE 125TWS
Product Type True wireless earphones - Bluetooth - wireless True wireless earphones - Bluetooth - wireless
Weight - 73 g
Dimensions & Weight Details Earbud: 6 g
Charging case: 37 g
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Colour White | Black Blue | Pink | Black | White
Recommended Use Portable electronics Portable electronics
SOUND QUALITY Sennheiser CX 400BT JBL TUNE 125TWS
Headphones Form Factor In-ear In-ear
Headphones Technology Dynamic Dynamic
Connectivity Technology Wireless Wireless
Wireless Technology Bluetooth Bluetooth
Bluetooth Version Bluetooth 5.1 Bluetooth 5.0 Sennheiser CX 400BT have a more advanced version of Bluetooth than JBL TUNE 125TWS.
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, aptX -
Sound Output Mode Stereo Stereo
Sound Effects - Pure Bass
Frequency Response 5 - 21000 Hz 20 - 20000 Hz Sennheiser CX 400BT offer a larger frequency range than JBL TUNE 125TWS.
Total Harmonic Distortion (THD) 0.08% -
Sensitivity - 96 dB/mW
Impedance - 14 Ohm
Max Sound Pressure 107 dB 96 dB
Diaphragm 7 mm 5.8 mm Sennheiser CX 400BT have a thicker diaphragm than JBL TUNE 125TWS.
MICROPHONE Sennheiser CX 400BT JBL TUNE 125TWS
Form Factor Built-in Built-in
Sensitivity - -38 dBV/Pascal
REMOTE CONTROL Sennheiser CX 400BT JBL TUNE 125TWS
Controls Volume control, answer/end, play/pause, next/previous track, reject call, pair mode, voice assistant, equaliser preset Mute, power on/off, answer/end, play/pause, next/previous track, pair mode, voice assistant
CABLE Sennheiser CX 400BT JBL TUNE 125TWS
Cable Type USB-C to USB-A cable - detachable - straight - 25 cm USB-C charge cable - detachable
FEATURES Sennheiser CX 400BT JBL TUNE 125TWS
Features Voice alerts, touch control -
Intelligent Assistant Siri, Google Assistant Siri, Google Assistant, Bixby
BATTERY AND CHARGING Sennheiser CX 400BT JBL TUNE 125TWS
Battery Type Headphone battery rechargeable - Lithium Ion 2 x headphone battery rechargeable - Lithium Ion
Battery Capacity 55 mAh 85 mAh JBL TUNE 125TWS have a higher battery capacity than Sennheiser CX 400BT.
Battery Life 7 hour(s) 8 hour(s) JBL TUNE 125TWS lasts longer on a single charge than the Sennheiser CX 400BT.
Battery Life Details Continuous playback (50% volume): up to 7 hours
Continuous playback (with included charging case): up to 20 hours
Continuous playback (with included charging case): up to 32 hours
Continuous playback: up to 8 hours
Charging Time 1.5 hour(s) 2 hour(s) Sennheiser CX 400BT recharge faster than Sennheiser CX 400BT.
Included Qty 2 2
WIRELESS LINK Sennheiser CX 400BT JBL TUNE 125TWS
Radio Transmitter Power 10 mW -
OTHERS Sennheiser CX 400BT JBL TUNE 125TWS
Included Accessories 4 pairs of earpads (extra small, small, medium, large), charging case (420 mAh) 3 pairs of ear tips (small, medium, large), USB-C charging cable, charging case (850 mAh)
Compliant Standards Bluetooth Class 1, Directive 2006/66/EC, WEEE 2012/19/EU, Directive 2013/56/EU -
Service & Support - Limited warranty - 1 year
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