Single Channel Digital Power Audio Stereo Amp Module 150W For Audio System Diy Product Details TDA3116D2 MONO CHIP: Adopts TDA3116D2 MONO Amplifier Board chip, ensures high-quality sound. MULTI-PROTECTION: Over-voltage protection, under-voltage protection, overheating protection, short-circuit protection and DC detection. GREAT SOUND ENJOYMENT: Distortion is significantly reduced, giving you a great hearing enjoyment. HIGH OUTPUT POWER 150W: Mono power up to 150W produces a shocking stereo surrounding sound. SINGLE CHANNEL: Single-channel bring you an excellent using experience. 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.