AUDIO SYSTEM AS-300.4 POWER AMPLIFIER

  • $299.00
    Unit price per 


šŸŽµ Product Overview

TheĀ Audio System AS-300.4 Power AmplifierĀ is aĀ 4-channel car audio amplifierĀ engineered to deliver clean, reliable power to your vehicle’s speakers. Built with a robustĀ 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.Ā Class-AB designsĀ 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.

šŸ”Š 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.Ā 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 Ɨ 180-240 mm W Ɨ 45-65 mm H)
Weight Solid build (typically ~2–4 kg)

šŸ“Œ Features & Highlights

šŸ”§Ā Versatile 4-Channel Design

Provides independent amplification for four speakers, enabling full-range stereo setups or bridged configurations for subwoofer power.

šŸŽ¶Ā Class-AB Amplification

Offers a good balance of efficiency and audio fidelity, with smooth performance across both music and movie audio.ā€

āš™ļøĀ Flexible Tuning Options

Adjustable crossovers and input sensitivity let you tailor the output to match your head unit and speaker setup.

šŸ”Ā Built-In Protection

Includes protections against overheating and electrical fault conditions to keep your amplifier and speakers safe during extended use.

šŸ› ļøĀ Solid Build Quality

Durable chassis and quality internal components deliver reliable performance in everyday automotive environments.


🧠 Summary

TheĀ Audio System AS-300.4Ā is a capable and flexibleĀ 4-channel power amplifierĀ that can upgrade your car’s audio performance with cleaner, higher-power output than a standard head unit. ItsĀ Class-AB designĀ delivers richer sound quality and strong control across speakers or bridged sub channels, making it a versatile choice for enthusiasts building aftermarket systems.