Check the listing for details. Vertex Effects Pedalboard Buffer Interface. Condition: New. Listed at 249.99 USD. Vertex Buffers: Tone Preservation at its Finest Every guitarist at Sweetwater knows what it's like to try and track down that elusive perfect guitar and amp tone combination. When you do find it, that's why preserving your sound in your effects chain should be a priority, which is where Vertex Effects comes into play. Their Pedalboard Buffer Interface is your ideal solution for drastically reducing capacitance across your board, preventing high-end loss and keeping your carefully crafted tone in the spotlight, no matter your pedal configuration. This versatile unit incorporates proper buffering with the most common pedalboard setups including: mono, stereo, 4-cable method (amp with FX loop), 5-cable method (stereo amps with FX loops), wet/dry, and wet/dry/wet signals.