Story : I've bought [Headset A] which cost $6 more than [Headset B] BUT maximum volume on [Headset B] is much more higher than maximum volume [Headset A]. Here're the specification :
[Headset A]-----------------------------------------------
~ Driver diameter: 40mm
~ Impedence: 2.2Kohm
~ Directivity: Omnidirectional
~ Frequency response: 20Hz-20,000Hz
~ Sensitivity (S.P.L): 88+-3dB
~ Cord length: about 2.3 m
~ Net weight: >190g
[Headset B]-------------------------------------------
~ Microphone: 6x5/-39dB+-3dB
~ Impedance: 32 ohm
~ Sensitivity: 95dB+-3dB
~ Frequency response: 18Hz~22kHz
~ Cord length: 2.5m
Need advice....!
[Headset A]-----------------------------------------------
~ Driver diameter: 40mm
~ Impedence: 2.2Kohm
~ Directivity: Omnidirectional
~ Frequency response: 20Hz-20,000Hz
~ Sensitivity (S.P.L): 88+-3dB
~ Cord length: about 2.3 m
~ Net weight: >190g
[Headset B]-------------------------------------------
~ Microphone: 6x5/-39dB+-3dB
~ Impedance: 32 ohm
~ Sensitivity: 95dB+-3dB
~ Frequency response: 18Hz~22kHz
~ Cord length: 2.5m
Need advice....!