Hole Protector Drum Kick Booster Port Insert Bass Drum Enhancement Drum Accessories

Label:Yes Loudspeaker size: inner hole diameter 10.6cm, outer hole diameter 18.5cm and height 10.5cm Color: Black,White,Red,Blue Include:1pc Loudspeaker +1pc Ring Sticker Ring adhesive size: inner diameter 13.5cm, outer diameter 18.5cm Material: ABS

How to use: First to attach the opening protection sticker to the bottom drum skin and then draw along the circle of the inner diameter. After the complete circle is drawn, the rubber part of the loudspeaker is stuck, and the drum leather is installed. Note: Due to the different monitor and light effect, the actual color of the item might be slightly different from the color showed on the pictures. Thank you! Please allow 1-2cm measuring deviation due to manual measurement.

Feature: 1. Made of environmentally friendly ABS material, which is durable and not easy to deform. 2. Bass drum design tuning port to expand your low-end frequency. 3. The drum ring fits closely with the drum surface, which can be adjusted by adjusting the tightness of the drum skin. 4. The bass reverberation speaker can enhance the propulsion of bass audio, concentrate and compress the air in the drum cavity to the inside, making the bass part more powerful. The effect is adjustable. Just adjust the drum tightness. 5. The inner diameter of the drum shall be cut along the circle to avoid unnecessary damage.