Dual Channel Hi-Fi Stereo Audio Amplifier Board From Yunseity,, And Speakers. Product Details Specification: Item Type: Digital Amplifier Board Model: TPA3116D2 Material: PCB Power Supply Voltage: DC 12-24V Output Power: 2 x 80W Power Efficiency: 90% Number of Channels: 2 Channels Package List: 4 x Digital Amplifier Board 1 x Connecting Wire 4 x Knob Cover 4 x Nut 4 x Washer Note: Pay attention to the correct operation. IDEAL EFFECT: This dual channel audio stereo amplifier board ensures better amplification effect, low distortion, and wide sound effect range as well, very reliable. HIGH POWER: HiFi power amp board works stably under DC 12-24V power supply, the 2 channel digital amplifier board has 2 x 80W high power. MULTI PROTECTIONS: this 80w+80w amplifier module supports Overvoltage protection, undervoltage protection, overheating protection, short circuit protection, DC detection. PRACTICAL TOOL: The sound effect of this two-channel stereo high power AMP module can be adjusted through the high and low knobs to meet your various sound effect needs. EASY TO INSTALL: The high power digital audio amplifier board comes with a compact size and a light weight as well, the easy installation can be quickly completed. 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.