uxcell 5pcs x Speaker Port Tube Subwoofer Bass Box Tube Bass Woofer Box Speaker Box Bass Airport for Speaker Cabinet 39x100mm/1.5 4" DJ/PA

【Important Notice for International Buyers – Tomoayax Premium Audio Hi-Fi Japan】

■ Voltage Compatibility This product is designed exclusively for use in Japan (AC 100V, 50/60Hz).

Many regions use 120V or 220–240V. Using this product without a proper transformer in such voltage environments may result in malfunction, overheating, or serious and irreversible damage.

■ Plug Type This product uses a Japanese plug (Type A or B). A plug adapter may be required depending on your region.

■ Transformer Requirement (Very Important) A transformer is required for safe use.

A plug adapter only changes the plug shape and DOES NOT convert voltage. Using this product without a transformer may cause serious and irreversible damage.

■ Buyer Responsibility As this is high-end audio equipment, the buyer is fully responsible for confirming compatibility with their local voltage (100V / 120V / 220–240V) and usage environment before purchase.

■ No Return / No Refund Policy We do NOT accept returns or refunds for: ・Voltage mismatch (including 120V and 220–240V environments) ・Use without a transformer ・Plug incompatibility ・Damage caused by improper setup or usage

■ Liability We are not responsible for any damage, malfunction, or performance issues caused by improper use or incorrect voltage conditions.

■ Final Notice Please ensure full understanding of the above before purchasing. Use only under the correct voltage environment. Speaker port tubes are used to improve the bass response of various types of speakers. Many types are available to suit designed vented boxes, and we offer a variety of tube shapes and sizes, including adjustable length ports and flared ports. Total length: 100mm/4"; Opening diameter: 39mm/1.5"; Maximum diameter: 61mm/2.4"; Material: Plastic; Package contents: 5 x Speaker port tubes Conventional tubing causes unpleasant turbulence at the port's inlet and outlet, resulting in undesirable noise and sound quality degradation. This port tubing overcomes these issues, offering a better appearance, lower distortion, and superior overall sound quality. These port tubes offer reliable, convenient installation while simultaneously providing a "professional" look to your bass speaker build project. Standard mounting holes make these tubes easier to install than other products on the market. Before purchasing speakers for use in speaker boxes, please carefully check the dimensions. What is this? Speaker port tubes are used to improve the bass response of various types of speakers. There are many types suitable for designed vented boxes, and we have a variety of tube shapes and sizes, including adjustable length ports and flared ports. What you will get: Total length: 100mm/4"; Opening diameter: 39mm/1.5"; Maximum diameter: 61mm/2.4"; Material: Plastic; Package contents: 5 x Speaker port tubes What are the product's advantages? Conventional tubes cause unpleasant turbulence at the port's inlet and outlet, resulting in undesirable noise and degraded sound quality. This port tube overcomes these issues, offering a better appearance, lower distortion, and superior overall sound quality. How do you use them? These port tubes offer reliable, convenient installation while simultaneously providing a finished, "professional" look to your bass speaker build projects. Standard mounting holes make these tubes easier to install than other products on the market. What should I be careful about? Before purchasing speakers for speaker boxes, make sure to check the size carefully.