Sennheiser HD 400U Wired Earphones vs Sennheiser HD 350BT Wireless Headphones comparison

Compare Sennheiser HD 400U Wired Earphones
Compare Sennheiser HD 350BT Wireless Headphones
key specs
Headphone TypeIn-EarOver-Ear
MicrophoneYes-
ConnectivityWiredWireless
TypeEarphonesHeadphones
Colour-Black
general
BrandSennheiserSennheiser
ModelHD 400U Wired EarphonesHD 350BT Wireless Headphones
Release dateApril 22, 2026January 9, 2020
TypeEarphonesHeadphones
Headphone TypeIn-EarOver-Ear
ConnectivityWiredWireless
Model Number-HD 350BT
Colour-Black
product details
MicrophoneYes-
Cord Length (Metres)1.2-
Driver TypeDynamicDynamic
Driver Size (mm)9.7-
Weight (g)14.30238.00
sound features
Impedance (Ohms)2828
Active Noice CancellationNo-
Frequency Response Range17Hz-20,000Hz-
connectivity features
Bluetooth-Yes
Bluetooth Version-5
Bluetooth Codec Support-AAC, aptX
battery features
Charging Port-USB Type-C
Charging Time (Hrs)-2
Battery Life (Hrs)-30

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