2PCS GHXAMP For Harman Kardon Classic 3‑Inch (84mm) Metal Brushed Passive Bass Radiator – Round Diaphragm for Enhanced Bass
For Harman Kardon 3-inch Passive Radiator / Vibration Plate – DIY Speaker Auxiliary Woofer, Bass Passive Radiator
Diameter: 84 mm, speaker cutout hole: 76 mm. Needs to be fixed with glue.
Special passive radiator; installation is somewhat difficult. After cutting the hole in the speaker cabinet, fix it directly with glue. Only suitable for those with DIY experience and strong hands-on ability.
Exquisite workmanship, very beautiful brushed aluminum plate, with a separate iron counterweight on the back. An excellent choice for enhancing bass response in DIY Bluetooth speakers. The cabinet must be a sealed enclosure to achieve the best effect. Suitable for use with drivers around 3–4 inches.
Packaging:
2 pieces.



















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