eBay

Feature:

1. Made of high quality ABS plastic, this product is sturdy and durable.
2. The inner side is smooth and the bell ends are designed at both ends. The airflow is very smooth and the airflow is obviously improved.
3. The height of the inverted tube is 90MM and the opening is 76MM. It is suitable for speakers with 4-8 inch speakers.
4. Speaker inverting holes, also called sound tubes and air holes, are often used in inverted speakers.
5. The sound pressure of the airflow vibrating in the box is poured out to overlap the sound pressure radiated in front of the speaker to produce a bass effect.

Specification:

Item Type: Inverted Tube
Height: Approx. 90mm / 3.54in (as shown in picture)
Opening: Approx. 76mm / 2.99in (as shown in picture)

Package List:

Inverted Tube x 4

1. Our listing price includes the value of goods,packaging cost,and export taxes,not including international duties.
2. duties,taxes,and charges are not included in the item price or shipping fee.
3. The duties are buyers' responsibility.Please check with your country's customs office determine what these additional costs will be prior to your purchase.
4. All disputes arising from the duties will be submitted to ebay for solution.

1. Any questions, pls. contact us via ebay message or email us.We will reply your message within 48 hours. If you do not receive our reply within 48 hours, pls. post a message again because sometimes our message system may block some emails.

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We will do our up most to exceed your expectations in customer service, communication and dispatching of your orders.

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