Products from the USA may come with an input voltage of 110V–120V, requiring a step-down transformer. Check the device wattage to select the correct power converter.
•¡¾PRACTICAL¡¿ The speaker phase inverting hole (also called sound tube or air hole) is usually used in inverted speakers. It is a practical inverter tube and can be bought with confidence.
•¡¾ABS MATERIAL¡¿ The woofer is made of ABS plastic, which is sturdy and . This material is a high-quality material, suitable for 4-6 inch speakers. It is a practical speaker tube.
•¡¾HORN SHAPE¡¿ The frequency conversion tube is compatible with 4-6 inch speakers with a smooth inner wall and both ends are designed in a horn shape. The stable airflow can greatly reduce the noise, and can play an obvious role.
•¡¾LONG LIFETIME¡¿ The speaker inverter tube has a long service life. It can be used long term at home or on any occasion. In general, it can be used without damage. You can use it with confidence.
•¡¾BASIC EFFECT¡¿ The frequency conversion tube mainly dumps the sound pressure from the internal vibrating air stream forward, overlapping the sound pressure emitted by the speaker to produce a bass effect.
