JBL Synthesis S3900 Floorstanding Loudspeaker - Reference AV
James Taylor on JBL S3900 Synthesis [4Kᵁᴴᴰ] - YouTube
JBL S3900 3 Way Floorstanding Loudspeakers from Vickers HiFi
JBL S3900 Floor standing speakers review and test
JBL Synthesis S3900 | Full-Range | Audiogon
JBL Synthesis - JBL S3900 floorstanding loudspeakers deliver exceptional audio to all of your listening experiences—whether discovering new music or revisiting classic favorites. Thanks to Jeff P for sharing. Tag #JBLSynthesis for
Unstoppable: JBL's mighty 4429 and S3900 speakers - CNET