12V Dual Channel Mini Audio Amp Portable Power Hifi Stereo Power Amplifier Audio Product Details Description? This is a mini 2 channel HiFi stereo audio power amplifier for home / car audio, motorcycles, boats, MP3, and so on. 20W + 20W output, 12V amplifier with bass, treble volume control in small size is easy to install and use. Order it and enjoy music. Specifications: Output power: 20W + 20W Input Power: 12V DC Input Sensitivity: 200mv Input Impedance: 47Kohm Speaker Impedance: 4 - 8 ohms Frequency Response: 20Hz to 20KHz Min. THD: 0.005% Signal Ratio: 100dB Color: Red Size: 1257040mm / 4.92.81.6inch Material: aluminium alloy Package weight: 228g Package Included: 1 x Power Amplifier 1 x User Manual ?PREMIUM MATERIAL?- All aluminium alloy shell, to eliminate all kinds of electromagnetic interference,offers low distortion acoustically accurate audio reproduction ?COMPACT AND LIGHTWEIGHT?- This audio amplifier is small and portable, which make it a good companion no matter indoors or outdoors, such as in your car, boat, etc ?ADJUSTABLE FREQUENCY?- This audio amplifier supports high and low frequency settings. ?DUAL OUTPUT?- This audio amplifier adopting high-power audio amplifier chip, the output power is 20W +20 W ?APPLICATION?- This audio amplifier is suitable for no more than 6 inches and speaker impedance of 4-8? 20W. 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.