Festool Bluetooth® speaker TOPROCK SYS3 BT20 M 137Includes 110 V adapter The Sound of Systainer. TOPROCK is the newest band member of the Festool sound family. The Bluetooth speaker in the Systainer lid combines all the advantages of the Festool Systainer system in perfect harmony. Four high performance speakers, combined with the cleverly designed resonance chamber, provide a clear and voluminous sound. Do you want even more? Simply connect two TOPROCK speakers to your smartphone and enjoy a stereo