Fly Your DRM18S Sub! This Flyware Kit enables you to fly your DRM18S subwoofer below an FB100 Flybar. You can then fly an additional DRM18S and four DRM12A loudspeakers below it. The live sound gurus here at GearNuts recommend that you use this kit only with the DRM18S — it's not designed for other subs.Mackie FKDRM18S Flyware Kit Features: Enables you to fly a DRM18S subwoofer below an FB100 Flybar (both sold separately) You can fly an additional DRM18S and four DRM12A loudspeakers below it (all sold separately) Tailor-made for the DRM18S — it's not designed for other subs