For The Arduino Ek1236, One Set Of Ten Lm386 200 Times Gain Audio, 12V Input). Product Details Product Name : Audio Amplifier Module Chip : LM386 Magnification Times : 200; Power Supply : 5-12V PCB Board Size : 41 x 14mm (L*W); Material : Electric Part Net Weight : 5g/pcs 1. Onboard LM386 Chip.With 200 multiplier benefits circuit design 2. On-board speaker wire holder 3. On-board 10K variable resistor, you can adjust the Amplification volume. 4. Onboard power indicator, the main feet of the chip has been leaded, can input audio signal directly . 5. Operating voltage: 5 ~ 12V Package Included: 10x LM386 Audio Amplifier Module Product Name : Audio Amplifier Module;Chip : LM386 PCB Board Size : 41 x 14mm(L*W);Material : Electric Part Onboard LM386 Chip.With 200 multiplier benefits circuit design On-board speaker wire holder On-board 10K variable resistor, you can adjust the Amplification volume 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.