Kiro Seeu Pam8610 Dual Channel Dc 12V Pure Digital Audio Stereo Amplifier Amp Product Details Parameter:Work: D Class Quiescent current: 20mA Efficiency: 90% Rated output power: 10W +10W (8?) response: 20Hz to 50KHz Operating voltage: DC 7.5-15V Recommended power supply voltage: 12V PCB board size: (40 * 40) mm Power Interface: 5.5 socket NOTE: 1. The power supply voltage can not exceed 12V2. The speaker is the 4 lines are completely independent, do not allow a total of access! As long as one of the circumstances, burning IC immediately Package includes: 1x Mini Amplifier Board Adopts Pam8610 chip, No filter, low static current, EMI, power consumption and heat generating Efficiency: 90%, Rated output power : 10W +10 W (8?) With LED power supply indicator, power supply switch and mute switch, easy to operate Operating Voltage: DC7 5-15v, recommended power supply: DC12V With over-current, temperature, short-circuit protection, hence safe for use Payment We accept PayPal and credit cards via PayPal. Taxes - US We collect sales tax, as required by law. Shipping We make every effort of shipping within 3 business day of payment clearing. The estimated delivery time is 2 - 5 business days from the shipping date. Policies If you do need to return your item, please contact us via email (you will receive an email when your product ships with additional details - Subject: Important information about your purchase). You will then be provided with a return shipping label and packing slip. Pack the item carefully. Include the packing slip, apply the shipping label, and return the item within 30 business days of the date you request a return, or your return will be canceled. Once we receive your order we will inspect the return. Please allow up to 5 business days of receiving the returned item for your refund.