What is the most profitable bitcoin miner from Canaan?

As an investor keen on exploring the crypto mining scene, I'm curious to know: What is the most profitable Bitcoin miner from Canaan? Given the evolving landscape of crypto mining, it's crucial to choose a miner that offers not just high hashing power but also energy efficiency and cost-effectiveness. Canaan, a leading manufacturer in the crypto mining industry, offers a range of miners. But which one stands out as the most profitable? I'd like to know if there's a specific model that delivers exceptional returns on investment while minimizing operational costs. Understanding this would help me make a well-informed decision for my mining endeavors.