SPECIFICATIONS: Input Voltage: DC 10V-16V Input Current: ≤15A Output Power:200W Operating Temp:Erature 0℃~+55℃ Impedance: 8Ω-11Ω Light line Current:≤15A Frequency Range:300~5000HZ Wired connection megaphone/ Connect the Strobe light. High quality and 100% New Commodity Please look video sound effect. Access to High low sound : Press the RIO key of the remote control to switch. Package Included: 1 PC Host horn ( AS picture ) Note : This is not 1 set. If you have a host, please buy a speaker. If you have a speaker, please buy a host .