MAin PowER SUPPLy VoLTAgE AC 100-240V, 50/60Hz BAckUP PowER SUPPLy VoLTAgE AC 100-240V, 50/60Hz MAin PowER SUPPLy fUSE T2AL 250V RATEd PowER 35W LinE inPUT inPUT SignAL 1V(0dBV) inPUT iMPEdAncE 20 KΩ fREqUEncy RESPonSE 80Hz-18KHz SnR >85dB, A weighted AUdio oUTPUT oUTPUT chAnnELS CH1, CH2 oUTPUT SignAL 1V (0dBV) Thd <0.1% PowER AMPLifiER conTRoL inTERfAcE chAnnEL no. 3 (CH1, CH2 and spare amplifier) oUTPUT SignAL 1.4V Thd <0.1% conTRoL SignAL Self-testing, amplifier fault and power saving control signal LoUdSPEAkER ciRcUiT oUTPUT chAnnEL no. 8 (with group A and group B) MAxiMUM LoUdSPEAkER LoAd 500W conTAcT inPUT / oUTPUT conTAcT inPUTS 8 monitored contact input ports conTAcT oUTPUTS 8 contact output ports (NO、NC and COM) MAx. woRking VoLTAgE foR oUTPUTS AC 250V/DC 30V MAx. woRking cURREnT foR oUTPUTS 2.5A oThERS dc PowER oUTPUT 24V/1A oPERATing condiTionS hUMidiTy < 95%, without condensing oPERATing TEMPERATURE -10°C~+55°C(14°F to +131°F) SToRAgE TEMPERATURE -40°C~+70°C(-40°F to +158°F)