Our company is specialized in research, design and manufacture amplifiers, for KTV ,Bar,kalaok, household, professional .We have 9years experience about doing amplifiers. Also, we offer OEM services for customer.Our Services If you like our products please feel freely to contact us, you will enjoy the timely reply and good Packaging & DeliveryPackaging Detail:1 carton 1 pieceDelivery Detail:35-45 working days after we received your 50% depositH-Class Stereo Power Amplifier