Sena 50R Speaker with Sound by Harman Kardon S3-Colour-Black / Brown Dual comp ventilated protector on

Dual comp ventilated protector on double closure cuff

Lever blade to fit 2547

Compact all-in-one design for plug-and-play use

Piston Size: 48

four steel pins and eight washers

Sena 50R Speaker with Sound by Harman Kardon S3-Colour-Black / Brown Dual comp ventilated protector onUPGRADE YOUR SOUND Take your 50Rs audio to the next level with SOUND BY Harman Kardon speakers. These premium speakers were created with the audio experts at Harman Kardon to provide world class sound for the 50R. The speaker accessory is compatible with all versions of the Sena 50R, allowing existing 50R owners to upgrade to SOUND BY Harman Kardon audio. Expertly crafted speakers allow the 50R to deliver an unmatched audio experience while riding.