What is the model number for the 4 Band Selectable EQ?

The model number for the 4 Band Selectable EQ is 550L. This model is known for its versatile equalization capabilities, allowing users to adjust and fine-tune the audio output across four different frequency bands. This feature is particularly important for audio professionals who need precise control over sound quality in various environments, be it in live sound reinforcement or studio recording.

The 550L stands out due to its specific design and functionality that cater to those needs, making it a preferred choice among audio engineers. Understanding the significance of this model number helps in recognizing the equipment's application and the audio engineering context in which it is best utilized. The other model numbers, while they may represent other products in the same category or associated with equalization, do not specifically denote the 4 Band Selectable EQ functionality that the 550L provides.