Xy-D50H Tpa3116D2 Bluetooth 5.0 Digital Power Amplifier Board Aux 2X 50W, 24V Product Details This is a 2.0 channel power amplifier with 5.1 Bluetooth function (no blocking signal within 10 meters), stereo function, volume control! HIFIDIY LIVE D50H TPA3116D2 Bluetooth 5.0 Digital Power Amplifier Board AUX 2X 50W Speaker ,2.0 Stereo Audio AMP Module Home Music Input DC12-24V ?SPECTRUM LIGHTS + VOLUME DISPLAY?PEMENOL amplifier module features two distinct spectrum modes and a volume display function. Users can effortlessly toggle between these three display modes using the buttons on the module's side. Whether one seeks dynamic visual effects emphasizing audio spectrum or prioritizes accurate volume representation, the PEMENOL amplifier module caters to user preferences, enhancing the music experience with added enjoyment. Note: The volume control adopts press on/off, pause/play, and 360 degree infinite adjustment volume. Supports 3 audio input modes: AUX input, Bluetooth input,U disk playback (APP connects to Bluetooth control). 1.Bluetooth name: Turn on your phone's Bluetooth and search for "XinYi" -- Connect "XinYi". 2.APP Download ? Mobile App market or App store? Search?"Sinilink" . 3.APP Usage: 1. Turn on the Bluetooth of the mobile phone and turn on the location positioning; 2. Enter the APP operation interface -- Click the yellow dot -- Click Bluetooth device -- Search Bluetooth -- Connect "Sinilink-APP" ?TPA3116 HIFI CHIP?This Bluetooth power amplifier board adopts TPA3116 chip: stereo dual-channel output, peak power up to 50W+50W. Wide voltage input DC: 5-24V. ?High compatibility?Most of the DC adapters on the market (plug size 5.5mm*2.1mm) can basically meet the needs of the XY-D50H Bluetooth power amplifier board. ?Multiple audio input methods?The multiple input methods (Bluetooth, AUX, USB flash drive, USB sound card) allow for a wide range of devices to be connected to the amplifier board, including smartphones, laptops, tablets, and other audio sources.?Protective Function?Over-voltage Protection, Under-voltage Protection, Over-heat Protection, Short-circuit Protection, This means that the Bluetooth amplifier board is not easily damaged 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.