VX 300W 4 Channel Class D Full-Range Amplifier

Power your entire speaker system with the compact yet capable KICKER VXA300.4. Designed to deliver clean, efficient performance, this Class-D 4-channel amplifier provides the perfect upgrade for factory or aftermarket audio systems, offering impressive power without taking up valuable installation space.

Producing up to 75 watts RMS per channel at 2 Ohms, or 150 watts x 2 when bridged, the VXA300.4 is ideal for driving front and rear speakers with greater clarity, dynamics and volume. Advanced KICKER FIT™ (Fail-safe Integration Technology) ensures seamless integration with almost any OEM or aftermarket head unit, while automatic turn-on circuitry and start/stop vehicle compatibility make installation straightforward in modern vehicles.

Fine-tune your system with variable 12dB crossovers and KICKER’s renowned KickEQ™ bass enhancement, allowing you to add extra low-frequency impact without compromising overall sound quality. Its highly efficient Class-D design reduces current draw and heat generation, delivering powerful performance from a remarkably compact chassis.

Key Features

• Compact 4-channel Class-D amplifier
• 50W x 4 RMS @ 4 Ohms
• 75W x 4 RMS @ 2 Ohms
• 150W x 2 RMS bridged @ 4 Ohms
• KICKER FIT™ technology for OEM and aftermarket integration
• Variable 12dB high-pass and low-pass crossovers
• KickEQ™ variable bass boost (0–6dB at 40Hz)
• Automatic DC-offset turn-on
• Compatible with start/stop vehicle systems
• Compact footprint for flexible installation

Whether you're upgrading factory speakers or building a complete audio system, the VXA300.4 delivers the clean power, installation flexibility and legendary KICKER performance needed to bring your music to life.