Audien CS-115SUB Professional Subwoofer 15" with 500W RMS power at 4Ω. It is made of a wooden cabinet with 12mm MDF, features a 15" woofer, and has a sensitivity of 95db. With amazing performance and sound quality thanks to the excellent construction materials, it offers a subwoofer that can be used in cafes, small clubs, bars, etc.

It has a socket for a speaker stand and a frequency range from 45Hz to 250Hz. An excellent choice at an amazingly low price.