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
| Specification |
Details |
| Brand |
Infinity by Harman |
| Model |
Alpha 2804A |
| Amplifier Type |
4-Channel Class AB |
| Peak Power |
1000 Watts |
| RMS Power Output |
70W x 4 Channels |
| Channel Configuration |
4 Channel |
| Bridgeable |
Yes |
| Frequency Response |
20Hz – 20kHz |
| Signal-to-Noise Ratio |
>90dB |
| Input Type |
RCA Low-Level Input |
| Crossover Controls |
High Pass & Low Pass Filters |
| Power Supply |
MOSFET |
| Protection Circuit |
Thermal, Overload & Short Circuit Protection |
| Vehicle Compatibility |
Universal 12V Vehicles |
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.
