The Sunbuck Wireless Bluetooth Audio Amplifiers, 200W Power Home Stereo Product Features ?200 Watt Utral-large Power?Sunbuck 2 channel Bluetooth stereo amplifier receiver provides the P.M.P.O(Peak Music Power Output) can reach 200W/100W x 2(RMS 2x40w@4OHM), which is perfect for your karaoke and home theater acoustic sound system, Let you enjoy high quality amplified audio. ?5 Input Optional?Sunbuck Audio Component Amplifiers support USB/SD card/FM Radio/ Bluetooth and various external sources RCA(R, L) audio input for tuner, CD player, tape deck and so on.USB 2.0 Mode, DC 12V and AC 110V Input.SD,USB only support MP3, WAV, WMA, APE, PLAC format. ?wireless Bluetooth Connection?The sound amplifying mixer device is equipped with Bluetooth wireless music streaming w/ 40+ ft wireless range. Works w/ today?s latest devices including smartphone, iPad, iPhone and computer w/ hassle-free receiver pairing. ?EQ Control?The improved professional compact bookshelf sound amplifier features crisp, responsive buttons for mode controls. Rotary knob controls for mic echo / volume, balance, bass, treble, master volume, input source and the unique folder/track.Remote control only for volume not for full control. ?100% Satisfactory Guarantee?Our Wireless Bluetooth Stereo Audio Amplifiers support 6-month warranty, we provide the best customer service. If there is any problem, please free to contact us. Shipping: Shipping is complimentary within the lower 48 US States. We Do Not Ship to PO/APO Boxes, HI or Alaska We Do Not Ship Outside of the Continental US All items ship within 24-72 hours of Payment For large items that require Freight shipping a valid phone number is required to call and schedule your delivery Terms of Sale and Feedback: Feedback is extremely important to us and If you are satisfied with our transaction, please take a moment to leave Positive Feedback. YOUR Satisfaction is our #1 Priority! If there are any issues, PLEASE contact us BEFORE leaving a neutral or negative rating so that we may resolve any concerns. We PROMISE we can make you happy if you give us a fair chance. Returns / Concerns: All items qualify for returns within 14 - 30 days of receipt. Buyer is responsible for return shipping on any item that is not damaged Please be sure this is an item you want before making your purchase. Customer Satisfaction is our TOP priority! All items are IN STOCK at time of listing. Inventory changes constantly and it is impossible to maintain a perfectly accurate count of all items. Please do not penalize us if we have to issue you a refund! Thank You For Your Business!