4REAR PANEL1. MAINS INLETIEC mains connector and fuse – connect to 220-250Vac mains, observing correct approved fuse rating• Ensure mains supply has an adequate ground (earth) connection• Ensure good condition of connected mains lead• Keep power switch in the “off” position when connecting or disconnecting mains lead• If unsure of any aspect of the mains supply, consult a qualified electrical technician2. INPUTSRCA left and right connectors for line level input.3. SPEAKER OUTPUTSBINDING POST connectors (minimum impedance 4 Ω).NOTE: to avoid possible damage to the loudspeaker enclosures, only connect enclosures or speakersystemscompatible with the power load and impedance limits indicated for the amplifier (regarding this, consult theTechnical specifications chapter for reference to your specific amplifier model). Use only loudspeakercables, not signal or microphone cables4. COOLING VENTSCooling vents to allow the internal fan to draw air though the amplifier. Do not cover or obstruct theseduring operation as this could cause the amplifier to overheat.