Miniature 4-Way Audio Mixer Stereo 4-In-1-Out Aux, Passive 3Point 5Mm Line Product Details SOLUPEAK MX41 Stereo 4-in-1-out AUX Audio Mixer Passive 3.5mm line levels control mini 4 ways passive audio mixer requires no power 4 channel Audio Stereo Passive Mixer, 4 input 1 output mixing 4 different signals from any line level analog devices AUX 3.5mm 1/8", Stereo input output Note:This passive product does not need power supply, and there is no internal amplifier circuit compensation, so the output will be attenuated (high impedance load attenuation is small, low impedance load attenuation is large) 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.