VA1-4000D | 4000W Class D 1 Channel Car Subwoofer Amp, Monoblock Amplifier

Crank Out 4000 Watts of Ground-Pounding Power with the Vertigo Series VA1-4000D

When you're after raw wattage and clean low-end performance without filling your entire trunk, the Vertigo VA1-4000D Monoblock Amplifier hits the mark. Designed for serious car audio systems, this 4000-watt Class D amplifier delivers efficient, stable power that drives subwoofers with tight control and unmatched output.

Built on a compact but rugged chassis, the VA1-4000D is engineered with a high-efficiency Class D topology and a MOSFET power supply, reducing heat buildup and minimizing energy waste. That means you get hard-hitting bass for longer sessions—without thermal shutdowns or signal clipping.

Key Features That Make It a Go-To 4000 Watt Amp:

• 4000W Max Output: Capable of pushing massive power into 1-ohm stable loads, ideal for high-performance subwoofer systems.
• Class D Efficiency: Delivers cleaner power with less draw on your vehicle’s electrical system. Compact form, heavyweight performance.
• 1-Ohm Stable Monoblock: Designed to handle the demands of competitive car audio builds, while remaining stable and consistent under heavy load.
• Variable Low-Pass Crossover & Subsonic Filter: Tailor your output to your box tuning and subwoofer response for optimized clarity and control.
• Remote Bass Knob Included: Fine-tune bass levels on the fly from the driver’s seat with the included dash-mount gain controller.
• Automatic Hi-Level Signal Sensing: Factory stereo? No problem. This amp turns on automatically when it detects audio from your factory head unit – no remote wire required.

Construction & Durability Built to Last

The Vertigo VA1-4000D features a custom-tooled heat sink for heat dissipation, along with protection circuits for overvoltage, thermal, and short conditions. This isn’t just another amp—it’s a long-term solution built for reliability and bass you can feel.

Perfect for Anyone Searching:

• 4000 watt monoblock amp
• 1 ohm stable car amplifier
• Power Acoustik 4000 watt amp
• Class D 4000 watt subwoofer amplifier
• Best amp for 12-inch or 15-inch subwoofers

Whether you're upgrading an existing setup or building a bass-heavy system from scratch, the Power Acoustik VA1-4000D delivers relentless performance and dependable power without breaking the bank—or your electrical system.