The Inter-M PA9348 480W 100v line Power Amplifier is ideal for audio / PA installations which require pure power whilst ensuring a reliable robust 'work horse'.The InterM PA9348 Amplifier can be mains or DC powered so can easily operate in a critical system or in event/hire applications using battery power.Connections and controls are rear panel mounted to deter tampering or accidental adjustment.•Audio/line in - (3 pin XLR)•Audio/line out - (3 pin XLR)•Input level control (on rear)•Ground lift and HPF switches•Fan cooled•Thermal protection circuit•DC power terminals•3U high 19 rack mounting•PA9336/PA9348 have 4Ω and 8Ω options.