🔊 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.








