![Eminence - B2S-A](http://www.livesound.co.nz/cdn/shop/products/4f3d2acc-ebd4-463f-a9aa-b2810b0786c3_2dce1e2b-0123-41d8-b0a2-2faaa888a20e_116x116.jpg?v=1579758670)
The "B2S-A"?aluminum adaptor converts bolt-on driver to accept a screw-on horn.
2x 1/4-20 or 3x M6 driver to 1 3/8" 18 UNEF horn.
The "B2S-A"?aluminum adaptor converts bolt-on driver to accept a screw-on horn.
2x 1/4-20 or 3x M6 driver to 1 3/8" 18 UNEF horn.