2lbs-5lbs depending on wattage and strains, not all strains yield. 1LB should come fairly easy with not much work and dialing in your lights intensity.
I have a thread with some recommended lights. Depending on budget. It will up your yields and drop your electricity costs.
What’s your budget and what style do you grow in? Scrog? Training? Natural? I can help you narrow down for what makes sense and what yield you are looking for.
Here’s a link to my last harvest in a 4x4. With 1 plant that effected overall because of pheno.