Description
Key Features:
Reliable Performance: The STETSOM IR280.4 offers 4×70W RMS at 4Ω, delivering consistent power for clear, distortion-free audio across multiple channels.
Class D Efficiency: Employs Class D technology for high efficiency, keeping heat and power consumption low while maintaining sound quality.
Compact and Durable: Designed with a robust build and small footprint to fit easily in limited spaces without compromising durability.
Advanced Protection: Features thermal, short circuit, and clipping protection to safeguard both the amplifier and connected speakers.
Versatile Usage: Ideal for upgrading factory sound systems or custom audio installations requiring a clean, powerful 4-channel amp.
Technical Specifications:
| Feature | Description |
|---|---|
| Design | Iron Line 4-Channel Class D Amplifier |
| Model Code | IR280.4 |
| Brand | Stetsom |
| Amplifier Class | Class D |
| Channels | 4 |
| RMS Output | 4×70W @ 4Ω |
| Frequency Response | 10Hz – 30kHz |
| Signal-to-Noise Ratio | >90dB |
| THD+N | <0.1% |
| Protection | Thermal, Short Circuit, Clipping |
| Installation Type | Compact – suitable for tight installations |








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