Kicker VXA300.4 Class D 4-Channel Car Amplifier

Kicker VXA300.4 Class D 4-Channel Car Amplifier

Kicker VXA300.4 is a Class D 4-channel car amplifier designed to bring clean, controlled power to all your door speakers in a single unit. It keeps things simple while still pushing solid performance where it matters most. 

The design focuses on efficiency, so you get strong output without unnecessary strain on your system. It’s compact, practical, and built for modern audio setups that need flexibility without bulk.

Kicker VXA300.4 also works smoothly with factory radios and upgraded systems, making it feel like it naturally belongs in a wide range of vehicles.

Class-Leading Power

This amplifier delivers balanced output across four channels, giving your full speaker setup a consistent foundation. The Class D full-range design helps keep power draw low while maintaining strong performance.

A setup like Kicker VXA300.4 benefits from 75W x 4 at 2 ohms stereo and 50W x 4 at 4 ohms stereo, with the ability to bridge into 150W x 2 when needed. That flexibility makes a real difference when you want to shape your sound system around your listening style.

Variable 12dB crossovers give you control over frequency flow, helping each speaker handle exactly what it should. Kicker VXA300.4 keeps everything tight and controlled, especially when the bass kicks in.

Flexible and Clean Integration

Built with modern vehicles in mind, this amp adapts easily to factory systems. The KICKER FIT™ (Fail-safe Integration Technology) helps reduce noise and keeps the signal clean even with complex OEM setups.

Kicker VXA300.4 supports start/stop vehicle systems and uses DC-offset automatic turn-on for smoother operation with compatible radios. That means less hassle and more focus on your music.

KickEQ™ variable bass boost adds up to 6dB of extra low-end punch, giving your music more depth without overwhelming the rest of the sound.

Specs and System Control

Frequency response runs from 10–20k Hz (+0/-1dB), keeping sound detailed across the full range. Signal-to-noise ratio stays above 95dB (A-weighted), helping maintain clear playback with minimal interference.

Input sensitivity ranges from 125mV to 10V, allowing Kicker VXA300.4 to work with different head units and signal types. Selectable crossovers (Off/HP/LP) with a 50–200Hz range at 12dB/octave give you practical tuning control.

KickEQ™ bass boost is adjustable from 0–6dB at 40Hz, letting you dial in low-end presence without losing balance.

Physically, it stays compact with a footprint designed to fit tight spaces while still delivering serious performance.

It all comes together in a setup that feels balanced, responsive, and easy to live with. Kicker VXA300.4 keeps the focus on clean power delivery and flexible tuning without overcomplicating the experience.

FAQs

1. What type of amplifier is this unit? It is a Class D full-range 4-channel car amplifier designed for efficient multi-speaker power delivery.
2. How much power does it deliver per channel? It provides 75W x 4 at 2 ohms stereo and 50W x 4 at 4 ohms stereo.
3. Can the bass be adjusted? Yes, it includes KickEQ™ variable bass boost with up to 6dB of adjustment at 40Hz.
4. Does it support factory audio systems? Yes, it uses KICKER FIT™ integration technology for compatibility with many OEM setups.
5. What kind of crossover controls are available? It features selectable electronic crossovers (Off/HP/LP) with a variable range of 50–200Hz at 12dB/octave.