Singtronic Professional Karaoke Sound Processor Amplifier. 4000W Digital 3 in 1, Built in Anti-Feedback, Optical, Bluetooth, HDMI-ARC & Digital Equalizer. Factory Sealed Box (Not Refurbished). You are looking at a brand New Singtronic KSP-4000Pro Professional 4000W Digital 3 in 1 Karaoke Sound Processor Amplifier. Built in Anti-Feedback, Optical, Bluetooth, HDMI-ARC & Digital Equalizer. It is in a factory sealed box, never been opened. If there are problems with the item, w. E would like to request buyers. Since it is new. Ipping only to 48 States in the USA. What is 3 in 1 Digital Karaoke Amplifier??? Built in Premium High Quality Class D Power Amplifier to fit any speaker system. Digital Karaoke Processor Mixer with Anti-Feedback and Anti-Howling Function. Plus additional 2 x Digital Metallic Wireless Microphone Karaoke System. This 3 in 1 Karaoke Amplifier will output the best and digital karaoke sound in the market. Super Easy Installation like 1,2,3… No Need Professional Adjustment with all the Headache Buttons System is Preset with Best Vocalist Karaoke, Echo & Reverb Sound Built in Anti-Feedback & Anti-Howling with Smooth & Crytal Premium Sound Super Handy, Light Weigh, Ready to use and No Need Skills to operate this System. Please download the app fro m the Link Above. Turn on your KSP-4000Pro, select Bluetooth on the Touch Screen, Go to “Settings” on the Android Devices, then go to “Bluetooth” select KSP-4000Pro and Pairing it. Max Power Output: 2000W + 2000W Free: 2 x Anti-Feedback Wireless Microphones 4.3 Inches Touch Screen Monitor Newest Model: 2023 Improved HDMI ARC for “Upstream” and “Dowstream” Signal over HDMI Port on TV (Perfect for Youtube Streaming Karaoke) Built in Anti-Howling & Feedback Suppression Built in Key Pitch Control: +5 Key Up & -5 Key Down Digital Optical / Coax Audio Input (Connect directly from any Smart TV for Youtube Karaoke) Built Digital EQualizer Individual Control: Music, Microphone & Effect Built-in MP3 Player Module Bluetooth Function send/receive from any device (Iphone, Ipad, Android, Youtube, Karaoke Apps) 4 Audio Inputs: DVD/VOB/USB/Bluetooth Function 3 HDMI Inputs & 1 HDMI Output 2 Rear 1/4 Microphone Inputs USB Port MP3 & Playback Master Microphone Volume Master Music Volume Master Effect Volume (Echo, Delay, Repeat, Reverb & High, Low) Banana Plug Speaker Connectors DSP Digital Sound Processor Power Voltage: 115V Standard Usage Built-in BBE Sonic Maximizer for both vocal and music Subwoofer Output Rec Output. Singtronic KSP-4000Pro Professional 4000W Karaoke Amplifier Free: 2 x UHF Professional Wireless Microphone with Anti-Howling & Feedback Suppressor Remote Control Unit Operating Manual Book Power Cord. We reserve the right to refuse any questionable payments. All store items are guaranteed not D. For 30 days unless stated otherwise. If the merchandise is D. We are not responsible for typos or small errors in the description.