boAt Nirvanaa 751 ANC Wireless Headphones vs Sennheiser HD239 Wired Headphone comparison

Show Only Differences Highlight Differences	boAt Nirvanaa 751 ANC Wireless Headphones	Sennheiser HD239 Wired Headphones
key specs
Colour	Black	Black
Headphone Type	Over-Ear	Over-Ear
Microphone	Yes	No
Connectivity	Wireless	Wired
Type	Headphones	Headphones
general
Brand	boAt	Sennheiser
Model	Nirvanaa 751 ANC Wireless Headphones	HD239 Wired Headphones
Release date	February 3, 2022	November 8, 2012
Colour	Black	Black
Type	Headphones	Headphones
Headphone Type	Over-Ear	Over-Ear
Connectivity	Wireless	Wired
Inline Remote	Yes	-
Model Number	-	HD239
product details
Microphone	Yes	No
Driver Type	Dynamic	-
Driver Size (mm)	40	-
Connector Size	3.5mm	3.5mm
Cord Length (Metres)	-	1.4
Weight (g)	-	280.00
connectivity features
Bluetooth	Yes	No
Bluetooth Version	5	-
Bluetooth Codec Support	SBC	-
Bluetooth range (Metres)	10	-
battery features
Charging Port	USB Type-C	-
Charging Time (Hrs)	1	-
Battery Life (Hrs)	65	-
sound features
Impedance (Ohms)	-	32
Sensitivity (dB)	-	114
Frequency Response Range	-	16Hz-23,000Hz

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