Federal Signal - Model PA4000 Series - Siren and Light Controller - Manual

The PA4000 siren is a full-featured, programmable, electronic siren and light control system. State-of-the-art microprocessor technology is used to create a system with a small, compact siren system that can be installed in the trunk or under the seat of any vehicle with a 12 V or 24 V negative ground system. The PA4000 siren uses class D amplifier technology without the need for a large and heavy transformer. The PA4000 provides two independent 100 W channels of audio for a total of 200 W.