Boss BB-1X Bass Driver Bold, punchy sound that invigorates the original tone and responsiveness of your bass and ampContains BOSS' latest distortion, which adapts to every register and never muffles your low endBlend knob allows for mixing the direct signal with the effect signalIndependent Low and High knobs for ultra-wide tonal adjustmentTwo output jacks: a normal output for a bass amp and a Line Out for a balanced connection directly to a PA or recorderThe Line Out jack provides a modern and enhanced direct sound t