Does the head really come off to play as a frame drum?

Yes. The head and rim detach from the shell, so you can play it as a frame drum. Reattaching and tuning it takes a little practice.

How does it compare with a ceramic doumbek?

The synthetic shell is tougher and more stable in temperature and humidity. A good ceramic or wood doumbek usually gives a warmer, more complex doum, so the trade-off is durability versus traditional tone.

Which size should I get?

The small is compact and easy to carry but has less low-end. The medium is the all-round choice for most players. The large gives the fullest doum but is heavier to hold and transport.

Can I replace the head myself?

Yes, the head is replaceable by design. You fit a new head and tune it with the drum's tuning system, so check that the replacement head matches your drum's size.

Is it good for a beginner?

Yes. The synthetic body is durable, the rubber bottom keeps it steady, and the tunable head lets you adjust the feel as you learn. It is also a practical choice for travel and lessons.