320W Hifi Stereo Bluetooth 5.0 Mm Phono Amplifier For Turntables. Product Details Bluetooth 5.0 Stereo RCA MM Phono inputs: MM phono input, converts phono signal to line level signal and amplify it, with low-noise integrated circuits and high-quality components to ensure clear and clean sound. 3.5mm AUX input, amplify the low level audio signal from your phone, tablet, MP3 etc. and provide enough output power for passive speaker, greatly improve the sound quality. JAN5654 vacuum tube HiFi Sound: default with JAN5654 tubes, improves everything associated with your music such as detail, transparency, immediacy, richness, dynamic, tone etc., much better than 6J1 series especially in human voice. Pluggable tube socket for tube rolling and sound-shaping, easy to pick from and alter the sound signature to one's preference. Super large output power low frequency output: adopting TDA7498E amp IC whose max output power can reach 160W+160W(4?), and equipped with 32V/5A power supply, easily to drive most home passive speakers. And adding subwoofer output, convenient to connect active subwoofer and build 2.1 stereo audio system. Perfect Design Powerful function: with tone control, easy to get more smooth and delicate sound by adjusting treble and bass knob, and bypass function is added to enjoy original sound. A bassboost switch is specially designed to greatly enhance bass effects, the shocking auditory effects make you feel like in the cinema. Exquisite Appearance Proper Size: metal black case and vacuum tube with blue and orange decorating light looks fashionable and attractive, designed input switch / bass and tone pass bypass switch, very convenient to use and suitable for stereo home and desktop audio system. 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.