Yunseity Digital Amplifier Board, Dual Channel Hifi Stereo Audio, And Stores. 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. Product Features 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. Shipping: Shipping is complimentary within the lower 48 US States. We Do Not Ship to PO/APO Boxes, HI or Alaska We Do Not Ship Outside of the Continental US All items ship within 24-72 hours of Payment For large items that require Freight shipping a valid phone number is required to call and schedule your delivery Terms of Sale and Feedback: Feedback is extremely important to us and If you are satisfied with our transaction, please take a moment to leave Positive Feedback. YOUR Satisfaction is our #1 Priority! If there are any issues, PLEASE contact us BEFORE leaving a neutral or negative rating so that we may resolve any concerns. We PROMISE we can make you happy if you give us a fair chance. Returns / Concerns: All items qualify for returns within 14 - 30 days of receipt. Buyer is responsible for return shipping on any item that is not damaged Please be sure this is an item you want before making your purchase. Customer Satisfaction is our TOP priority! All items are IN STOCK at time of listing. Inventory changes constantly and it is impossible to maintain a perfectly accurate count of all items. Please do not penalize us if we have to issue you a refund! Thank You For Your Business!