AB Box with 2 inputs & 2 outputs (isolated, active, buffered) - dpFX Pedals
Crossfire AB Box Double Inputs to Single Output – Horsham Music Tuition
1 input 2 output Buffer Multi-function Splitter for Electric Guitar Bass Effect | eBay
Carl Martin Route Box Double A/B Footswitch | Musician's Friend
The GigRig | Three 2 One
Amazon.com: JOYO Bass Guitar Pedals Compressor Effect Pedal with Precise Compression Knobs Low Noise and High Dynamic Control Range for Bassist Electric Guitar Bass (SCYLLA R-27) : Musical Instruments
Mix-Blender - Radial Engineering
NOD-1 Pedal for Electric Guitar 2 Working Modes True Buffer Bypass Guitar Pedal Effect Pedal - Walmart.com
Belcat Singel Boost A-B BOX ABS-522 with 2 Input & 1 Output Electric Guitar AB BOX Stompbox A-ch, B-ch Control _ - AliExpress Mobile
Amazon.com: Stax Guitar Pedal Power Supply 10 Isolated DC Output for 9V/12V/18V Guitar Bass Effect Pedals with USB Charging port, with DC 18V/1A Power Adapter, Short Circuit Protection : Musical Instruments
Amazon.com: MXR M68 Uni-Vibe Chorus Vibrato Effect Pedal Bundle for Electric Guitar with 2 Patch Cable and 1 Instrument Cable : Musical Instruments
Mix 2:1 - Radial Engineering
Guitar Pedal Power Supply 10 Isolated DC Output with USB Port for 9V/12V/18V Effect Pedal DC 18V 1500m Input, 5 Ways 9V 100mA, 2 Ways 9V 300mA, 1 Way 9V 500mA -