Boss Audio 4" BM40AMPBT Amplified Waketower Speakers - Matte Black - 500W [BM40AMPBT] Brand_Poly-Planar Constructed of nickel-plated brass including

Constructed of nickel-plated brass including non-return valve

1-7/8" X 1-3/8"

suitable for use with the HRC10

Box Dimensions: 4"H x 9"W x 12"L WT: 1 lbs

2 18" Straight Pieces

Boss Audio 4" BM40AMPBT Amplified Waketower Speakers - Matte Black - 500W [BM40AMPBT] Brand_Poly-Planar Constructed of nickel-plated brass including4" BM40AMPBT Amplified Waketower Speakers Matte Black 500W These Matte Black 8" BM40AMPBT Amplified waketower speakers provide next level audio through a stylish design. Boss Audio tower speakers are marine grade, so you can have outstanding sound quality on your boat or UTV. Features: Full Range Class D Amplifier Fits 1" to 2" wake tower pipes IPX5 rated in line remote w illuminated soft touch controls Polypropylene Woofer Cone and Rubber Surround 1"