Enhance your guitar amplifier's performance with these air vent tubes. Designed to improve airflow and reduce unwanted noise, they help deliver , more powerful sound. Ideal for musicians and audio engineers, these tubes are a valuable addition to any guitar amp setup. Features -Color:Black -Material:Plastic -Size:11.00X9.00X9.00cm/4.32X3.54X3.54in -High Level sound: achieve excellent sound with these bass reflex tubes, providing a powerful and immersive audio experience -Accurate airflow control: maintain accurate airflow control in your speaker system, ensuring consistent and reliable performance -Effortless installation: experience the ease of effortless installation, suitable for a wide range of audio equipment -Clear and pure sound: enhance the clarity and purity of by optimizing the airflow within your speakers -Durable and reliable: crafted from durable plastic, these parts are built to withstand prolonged use, ensuring your speakers last longer Package list: 4 x Speaker Port Tubes