🎵 Product Overview
The Audio System AS-300.4 Power Amplifier is a 4-channel car audio amplifier engineered to deliver clean, reliable power to your vehicle’s speakers. Built with a robust Class-AB amplification topology, this unit is ideal for drivers who want improved audio clarity, stronger dynamics, and better overall system performance compared to factory head units. It balances punchy output with musical fidelity, making it well-suited for powering component speakers, midranges, and even bridged subwoofer setups. Class-AB designs like this are known for warm tonal response and solid control across a wide range of loads — great for both daily listening and high-quality audio builds.
🔊 Key Specifications
| Specification | Details |
|---|---|
| Model | Audio System AS-300.4 Power Amplifier |
| Channels | 4 (4-channel) |
| Amplifier Type | Class-AB high-efficiency power amp |
| RMS Power (per channel) | Approx. varies by impedance and system conditions — typical Class-AB 4-channel amps in this class deliver solid mid-range power suitable for full-range speaker sets and bridged sub use |
| Bridgeable Channels | Yes — rear channels may be bridged for subwoofer power (model dependent) |
| Frequency Response | Broad audio range suitable for both speakers and bridged sub output |
| Signal-to-Noise Ratio (S/N) | High S/N for clean audio (typical >90 dB for this amp class) |
| Input Type | Line-level RCA inputs (factory or aftermarket head unit compatible) |
| Crossovers | Typically adjustable high pass/low pass filters for flexible tuning (varies by exact version) |
| Protection Features | Thermal, overload, short-circuit and DC protection circuits (common for this class) |
| Cooling | Heatsink and ventilation design for sustained performance |
| Mounting | Compact chassis for secure installation in vehicles |
| Dimensions | Varies by housing design (car audio amp class often ~250-350 mm L × 180-240 mm W × 45-65 mm H) |
| Weight | Solid build (typically ~2–4 kg) |
📌 Features & Highlights
🔧 Versatile 4-Channel Design
Provides independent amplification for four speakers, enabling full-range stereo setups or bridged configurations for subwoofer power.
🎶 Class-AB Amplification
Offers a good balance of efficiency and audio fidelity, with smooth performance across both music and movie audio.”
⚙️ Flexible Tuning Options
Adjustable crossovers and input sensitivity let you tailor the output to match your head unit and speaker setup.
🔐 Built-In Protection
Includes protections against overheating and electrical fault conditions to keep your amplifier and speakers safe during extended use.
🛠️ Solid Build Quality
Durable chassis and quality internal components deliver reliable performance in everyday automotive environments.
🧠 Summary
The Audio System AS-300.4 is a capable and flexible 4-channel power amplifier that can upgrade your car’s audio performance with cleaner, higher-power output than a standard head unit. Its Class-AB design delivers richer sound quality and strong control across speakers or bridged sub channels, making it a versatile choice for enthusiasts building aftermarket systems.