The Celestion BN10-200X is characterized by extended low end sounds, and extreme amounts of linear excursion. Celestion builds the BN10-200X using their unrivalled knowledge of neodymium motor structures. Bass guitar speakers also work very well as car audio midbass/woofers thanks to their high efficiency and ability to provide good bass kick. The Green Label speakers push out rich, warm tones and powerful low end thumps with every note!These professional drivers deliver a three-dimensional musical quality that is the heart and soul of Celestion's bass guitar speakers. Number of mounting holes: 8. This item is in the category "Consumer Electronics\Vehicle Electronics & GPS\Car Audio\Car Speakers & Speaker Systems". The seller is "speakeraddict" and is located in this country: US. This item can be shipped worldwide.