Check the listing for details. DIY MOS Power Amplifier Board PCB 100W Ultimate Fidelity Amplifier PCB Only. Color: Black, Condition: New. Listed at 5.88 USD. ☆ Welcome☆ to ☆ my ☆ shop ☆ Electrical characteristics:Working state: MOS tube driving class A and BOutput power: single channel 100W, dual channel 200WWorking voltage: + - 35V ----- + - 55vDistortion: thd is 0.012% into 1 kilohertz and full powerTHD is 0.015% into 10 kilohertz and full powerInput interface: mono signal inputOutput interface: mono speaker outputPower mode: dual power modePCB specification: fr490x54x1.6mm, compact board design, suitable for small space and small chassis installation.Pictures: Shipping list: 1pcs 100W Ultimate Fidelity Amplifier PCB DIY MOS Power Amplifier Board (Only send PCB board)Shipping> We ship to worldwide.> Orders processed within 24-48 hours after payment verification.> We only ship to confirmed Paypal addresses. Your Paypal address MUST MATCH your Shipping address.CountryShipping WayShipping TimeTrackable United StatesUSPS(ePacket)7-18Yes RussiaChina Post15-35Yes Other CountryEconomic Air Mail15-40NoIf you need register mail or other express shipping, Pls contact us. Warranty & Guarantee> Good good quality. Buy with confidence!> Returned & Guarantee. If not satisfied with the item, you can choose to return it for a replacement or money back. We afford all cost if it's our fault. Exchange or refund.Please contact me before you return it. full refund after we receive our original item.> We maintain high standards of excellence and strive for 100% customer satisfaction! Positive feedback is very important to us. We request that you contact us BEFORE you give us neutral or negative feedback, so that we can satisfactorily address your concerns Contact us> Our goal is customer satisfaction!> Our Working-time From 8:30 AM to 21:30 PM(GMT+08) .> We strive to provide you with the best service, we will reply your question within 24 hours.( IF have any problem, we will appreciate that you contact us first BEFORE open a dispute or request, we will try our best to solve the problem with you. ) Payment> We accept Paypal only, It is fast, easy and safe.> Payment must be completed within 7 days.> PLEASE NOTE: S&H DOES NOT INCLUDE DUTIES, LOCATL TAXES OR ANY OTHER IMPORTATION FEES. About me Please contact me first before you leave a negative review if my item are damaged or defective when you got it, I'll do resend or refund (as your choice) once I confirm with that, which is a most kind of favourable way to both of us work things out together.Your support and comprehension are highly appreciated for me. Thanks for everything, and at last, I full of expectation to do business with you!!!!