Sundown Audio - SIA-1250D (Smart) Intelligent Full Bridge Amplifier 

Sundown Audio SIA 1250D is Sundown Audio's latest and greatest intelligent full bridge amplifier, the sundown SIA 1250's power supply is built stronger, heatsink is heavier, and the SIA 1250's feature intelligent low voltage technology protecting the amplifier from typical full bridge malfunction. The SIA 1250 also runs cooler because of Sundown Audio's latest fan upgrades.