2 inch passive bass Auxiliary . , is used to replace the guide tube, auxiliary bass, adjust the overall tone of the speaker.

Tips:This product is not speakers,it is only for Auxiliary Bass.

need to use speakers with. Auxiliary woofer. Installation is a bit difficult, need to have DIY experience.

Made with a radiator Subwoofer Advantages:

1.Dive deep

2.Speed fast

3. No wind noise

4. Cabinet smaller, saving space.

Outer Diameter: 58mm

Opening diameter: 47mm

Height: 15mm

Screw hole diagonal: 67mm

Package included:

2pcs

GHXAMP 2PCS 2 Inch Passive Radiator Speaker Bass Auxiliary Woofer Gain For Subwoofer Speaker DIY