I was given these AKG K1000. Need help and info to try them,0x0.jpg?format=jpg&crop=1058,,Amazon.com : Portable Power Station,ATZ POWER 1075Wh/1000W,6moons.com - audio reviews: AKG K-1000 follow-up and cable,THE BIG AKG K701 AND Q701 REVIEW – The Headphoneer