1Marshall · 2024Emberton III8.68% pricier ≈ $140 Battery life 32 h vs 12 hCharging time 2 h vs 4 h Weight 670 g vs 590 g Compare with SoundLink Flex (2nd Gen)Compare
4Ultimate Ears · 2024UE Megaboom 47.08% pricier ≈ $140 Battery life 20 h vs 12 h Weight 935 g vs 590 g Compare with SoundLink Flex (2nd Gen)Compare
6Sony · 2024LinkBuds Speaker SRS-LS1Same price ≈ $130 Battery life 25 h vs 12 h Water resistance (IPx) IPx4 vs IPx7 Compare with SoundLink Flex (2nd Gen)Compare
7JVC · 2025SP-WS04BT16% cheaper ≈ $110 Battery life 15 h vs 12 h Compare with SoundLink Flex (2nd Gen)Compare
9Marshall · 2024Willen II7.423% cheaper ≈ $100 Battery life 17 h vs 12 hWeight 360 g vs 590 gCharging time 2.5 h vs 4 h Compare with SoundLink Flex (2nd Gen)Compare
10JBL · 2025Flip 77.226% cheaper ≈ $95 Battery life 14 h vs 12 hWeight 560 g vs 590 gCharging time 2.5 h vs 4 h Compare with SoundLink Flex (2nd Gen)Compare