hd400 pro

hello. I have to choose the headphones for music production and listening to music. both of these headphones are cheaper than hd560s and hd600 each (real). in my country, hd400pro coasts $150 and hd650 coasts double than that. which headphone should I choose? is hd650 worth the double pay? (I...

Hey guys I recently bought Sennheiser HD 400 pro(560s repaint) headphones but their volume is so low. I can enjoy the music at low volume but when I use them on games like Valorant/Csgo I can't even hear footsteps properly. These are 120 ohm headphones with high sensitivity but still my cheap...