This is a technical Pro RK sys 3500 watt bluetooth sound system with 10 speakers 6 8 inch speakers and 4 6 inch subwoofers. This system shakes my apartment and it's just too much power also has headphone jack MP3 Jack auxiliary Jack DVD SD card USB Bluetooth AM FM radio has two microphone jacks and microphone controls has a left and right 16 band equalizer Channels, has LED lighting effects in the speakers and the LED heads up display that changes to the base in the music it comes in four pieces, auxiliary cord and remote great for karaoke, for parties to DJ somewhere weddings or just if you want to shake your house and piss your neighbor's off!!! My wife and I purchased this sound system about 6 months ago spent $1,400 and we'll be happy just to recoup some of that so we're asking ONLY $750!!! This system is absolutely flawless not one thing wrong with it just 1 ding sounds amazing and it's hands-down the best sound system I've ever had it's just too much power.