Hello Have a 4 month old pair of KCS monitors these are reviewer returns. Have been completely checked out by KCS. Uses new SEAS fullrange 38hz-20khz 93db 1 watt 8 ohm. Uses Nordost cable WBT solder doubled front baffles with rounded corners for reduced diffraction. Hard rock tuned maple bracing, 4in fully flared ports. Full book matched cherry veneers. Price incs the costly $150 plus shipping charges sell for the low price of $699 pair these retail for $1799 A modern designed fullrange in a modern design cabinet easy to drive can run off tube or ss amplifiers. Easy to place easy to drive easy on the ear and eye. Just a all around fun and hi performing loudspeaker.