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Sennheiser HD 400U Wired Earphones vs JBL Free True Wireless Stereo (TWS) Earphones

Sennheiser HD 400U Wired Earphones vs JBL Free True Wireless Stereo (TWS) Earphones comparison

Show Only Differences Highlight Differences	Sennheiser HD 400U Wired Earphones	JBL Free True Wireless Stereo (TWS) Earphones
key specs
Headphone Type	In-Ear	In-Ear
Microphone	Yes	Yes
Connectivity	Wired	True Wireless Stereo (TWS)
Type	Earphones	Earphones
Colour	-	Black
general
Brand	Sennheiser	JBL
Model	HD 400U Wired Earphones	Free True Wireless Stereo (TWS) Earphones
Release date	April 22, 2026	December 31, 2017
Type	Earphones	Earphones
Headphone Type	In-Ear	In-Ear
Connectivity	Wired	True Wireless Stereo (TWS)
Colour	-	Black
Model Number	-	Free
product details
Microphone	Yes	Yes
Cord Length (Metres)	1.2	-
Driver Type	Dynamic	-
Driver Size (mm)	9.7	-
Weight (g)	14.30	98.00
sound features
Impedance (Ohms)	28	16
Active Noice Cancellation	No	-
Frequency Response Range	17Hz-20,000Hz	10Hz-22,000Hz
Sensitivity (dB)	-	9.5
connectivity features
Bluetooth	-	Yes
Bluetooth Version	-	4.2
battery features
Charging Time (Hrs) Earpieces Only	-	2
Battery Life (Hrs) Earpieces Only	-	4

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