... 110V AC & 220V AC.1) K12: two-way, 12” woofer + 44T tweeter 2) K15: three –way, 15” woofer + 75T mediant + 44T tweeter3) ... K15M: two –way, 15” woofer + 44T tweeter4) K30: three –way, 2*15” woofer + 75T mediant + 44T tweeter5) K18 ... Sensitivity: 0dBInput Impedance : Linr 20KΩ(balance) 10KΩ(unbalance)Crossover: 2 KHzFrequency Response: Hi 2 K-20 KHz @8Ω, Low 20Hz-20 KHz @ ...