Ks-33Bt 2.0Ch Stereo Audio Amplifier Receiver With Active Subwoofer, Karaoke Product Details [2.0CH Multi-Function Amp]KS-33BT is a multi-function home stereo amplifier, practical and powerful, offer 60W rated power and peak power up tp 200W output. with treble,bass and echo key, Microphone volume adjustment and Master volume adjustment?FM radio function?with SD,USB, AUX and MIC input,it also support CD,DVD,TV and PC audio source input, 2.0 channel make it can be contact two passive speakers and a active subwoofer [With MIC Jack and Echo] This KS-33BT Bluetooth stereo audio amplifier is also a karaoke amplifier and not just a hi-fi amplifier. The amplifier, with 2 mic jacks and an echo function, is ideal for karaoke or announcements. You can sing with friends, and it is also possible to achieve the echo effect with our amp. You only need to connect the mic to our amp and adjust the echo knob to get the reverb effect that you want. [Bluetooth 5.0 FM Functions]This subwoofer amplifier with Bluetooth and FM antenna, Built-in Bluetooth 5.0 chip, Bluetooth wireless connection audio devices can save wiring hassle and ensures excellent sound fidelity. (Notice: Bluetooth connection between the device and the amplifier is 5 meters). FM radio functions automatically searches local radio stations,allows you to listen to your favorite radio station anytime you want [Connect to CD/DVD,Multiple Input]KS-33BT hifi amplifier receiver with SD,USB, AUX and MIC input, RCA wired connection inputs and Bluetooth wireless connection inputs, audio source input by phones, computers, TVs, tablets, laptops, CD/DVDs, U-Disk and etc., suitable for home theater systems, car speakers, widely used in home, parties, bridal, teaching, supermarkets, restaurants, bars, etc. [Easy Operation]Conveniently change audio settings from a distance with the included mini remote control. (NOTE: Remove plastic insulating sheet on remote upon receipt for it to work) Set the desired output of music with bass and treble control knobs. Enjoy a clear and detailed display with our amp that comes with a built-in digital LED 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.