Aiyima T9 Pro 200W Tube Amplifier Class D Hifi Digital Amp 2.0/2.1, Usb Inputs. Product Details ?Outstanding internal construction?The chipsets are high quality designs from American companies,Qualcomm, Texas Instruments and Cirrus Logic ?With multiple digital audio inputs?Bluetooth 5.1 / USB / Coaxial / Optical / stereo RCA, compatible with most audio device such as phones, computers, tablets, TVs, TV, CD players etc. The perfect combination of DAC and amplifier, very suitale for audiophiles who have various audio devices ?HiFi clear sound with tone control?Resonable circuit and concise wiring, adopts upgraded vacuum tubes Jan 5725 to soften the sound and filter out the digital feelings, sounds warm and sweet without noise. Also with the treble and bass knobs to adjust one's own preferable sound styles, presents HiFi music with rousing highs and deep lows ?New dial layout design?The new dial layout are simplified and convenient,With Vu meter display 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.