The newest edition to our popular amplifier line up, the Vertigo Series. Consumers often tell us that the manufacturer makes rugged amplifiers that bring bigger sound and quality along with dependable performance. The biggest Vertigo The newest edition to our popular amplifier line up, the Vertigo Series. Consumers often tell us that the manufacturer makes rugged amplifiers that bring bigger sound and quality along with dependable performance. Vertigo Model VA1-6000D 1-channel amplifier can deliver up to 1,800 watts RMS at 1-Ohm. Youll hear all the tonal color, power, and musical detail in your music with these Class-D Amplifiers. This model includes a dash-mounted gain controller to help adjust the volume or give you more amplifiers output when you need it.Vertigo Series 6,000w Class D Monoblock Amplifier, VA1-6000D