What are the advantage and disadvantage piezoelectric loudspeaker compare electric loudspeaker?

Piezoelectric loudspeakers are typically smaller, lighter, and more efficient than traditional electric loudspeakers, allowing for easier integration into compact designs. They also have a wider frequency response and can produce sound without a magnetic field, which can be beneficial in certain applications. However, they generally offer lower sound quality, particularly in the bass frequencies, and may have a narrower sound dispersion compared to electric loudspeakers, limiting their effectiveness in larger spaces. Additionally, piezoelectric loudspeakers can be more sensitive to temperature and humidity changes, affecting performance.