The HQ Power 77mm x 113mm is a robust and solid component designed to be installed in a loudspeaker. This component can be used for an existing loudspeaker or a self-made new loudspeaker enclosure. The item consists of a plastic tube that is placed at the bottom of the speaker. This is done in the opening intended for the low frequencies. Depending on the design of the loudspeaker and the user's preferences, the HQ Power can be placed at the front or the back. Technical data For mounting, an opening must be present that matches the dimensions of the . These are a length of 11.5 centimeters and a diameter of 9.5 centimeters. The tube snaps into place in the opening by means of a so-called snap-in fastening. To prevent objects from entering the opening and thus damaging the internal workings of the speaker, the HQ Power is equipped with a grille. The component is made of plastic and is black in color. By using a such as this, it is possible to enhance the low frequencies of an existing or new loudspeaker. Ask a product question