Infinity Alpha 2804A 4-Channel Class AB Car Amplifier | 1000W Peak Power | 70W x 4 RMS

Take your car audio system to the next level with the Infinity Alpha 2804A 4-Channel Class AB Amplifier. Engineered by Infinity by Harman, this high-performance amplifier delivers exceptional sound clarity, powerful output, and reliable operation for audiophiles seeking premium in-car entertainment.

Featuring a robust 1000 Watts Peak Power Output and 70W RMS x 4 channels, the Alpha 2804A is ideal for powering component speakers, coaxial speakers, and can even be bridged to drive a subwoofer. Its advanced Class AB circuitry provides the perfect balance between sound quality and efficiency, delivering rich mids, crisp highs, and controlled bass with minimal distortion.

The compact yet powerful design allows flexible installation in most vehicles while integrated crossover controls and protection circuits ensure optimal performance and long-term reliability.

Key Features

Powerful 1000W Peak Output

Designed to provide dynamic and impactful audio performance with ample power for upgraded speaker systems.

High-Fidelity Class AB Design

Combines the warmth and sound quality of traditional amplifiers with efficient power delivery for superior listening experiences.

70W RMS x 4 Channels

Delivers clean and consistent power to front and rear speakers, ensuring detailed and distortion-free sound.

Bridgeable Channel Configuration

Supports bridged operation, allowing increased power output for subwoofers or high-power speaker setups.

Variable High & Low Pass Filters

Fine-tune your system for optimal sound staging, speaker protection, and bass performance.

MOSFET Power Supply

Provides stable power delivery and improved efficiency under demanding listening conditions.

RCA Low-Level Inputs

Compatible with most aftermarket and factory audio systems for easy integration.

Advanced Protection Circuitry

Built-in thermal, overload, short-circuit, and voltage protection safeguards both the amplifier and connected speakers.

Compact Installation-Friendly Design

Slim chassis design fits easily under seats, inside trunks, or other tight installation locations.

Premium Infinity Sound Engineering

Developed by Infinity by Harman for exceptional musical accuracy, clarity, and reliability.

Technical Specifications

Benefits

• Enhances overall sound quality and speaker performance.
• Delivers clean, distortion-free music even at high volume levels.
• Suitable for powering component speakers, coaxial speakers, and subwoofers.
• Provides flexible tuning options for customized audio setups.
• Compact design ensures hassle-free installation.
• Reliable Harman-engineered performance for long-term use.

Ideal For

• Car audio upgrades
• Component speaker systems
• Coaxial speaker installations
• Multi-speaker configurations
• SQ (Sound Quality) setups
• Daily driving and enthusiast builds

Package Contents

• 1 x Infinity Alpha 2804A Amplifier
• Mounting Hardware
• User Manual
• Warranty Card

Why Buy Infinity Alpha 2804A?

The Infinity Alpha 2804A is an excellent choice for car audio enthusiasts looking for powerful amplification, premium sound quality, and dependable performance. Whether you're upgrading factory speakers or building a complete aftermarket sound system, this amplifier delivers the power and clarity needed to bring your music to life.