Passive radiators and ports both have their advantages, but it ultimately depends on your specific needs and preferences. Passive radiators are essentially non-powered woofers that vibrate in response to sound pressure waves produced by the active driver. They can provide extended bass response and improved efficiency compared to ports. However, they require careful tuning and can be sensitive to changes in enclosure size or tuning.
Ports, on the other hand, are simple openings in the enclosure that allow air to escape, enhancing bass response. They are generally more forgiving when it comes to enclosure design and can provide a more punchy and dynamic bass.
In conclusion, whether a passive radiator or a port is better for you depends on factors such as the desired bass response, enclosure size, and your personal preferences. It's recommended to test both options and choose based on the sound quality and performance you prefer.