A versatile true-bypass relay PCB designed for 19" rack audio gear. Routes input signals directly to outputs when bypassed (unpowered state), allowing transparent, clean relay switching for preamps, outboard gear, and custom audio equipment.
 
Technical Specifications
 
Relay Support: Compatible with standard 5 V, 12 V, or custom voltage coil relays (12 V recommended)
Default Bypass State: Passive hardwire true-bypass when unpowered
Options Available: Multiple channel configurations (mono or stereo) and PCB size variations
 
Key Features
 
Uncompromised True Bypass: Signals pass completely unpowered through relay contacts when turned off or bypassed, preventing signal coloration
Flexible Power & Control: Daisy-chain support allows a second board to be triggered simultaneously from a single switch/power rail
Versatile Routing Pads: Features multiple input and output solder pad locations for clean internal rack wiring
 
Included:
1x True Bypass Bare PCB (channel count and size according to selection)
 
 
Product name: True Bypass
Product identifier:  PCBX013/PCBX014/PCBX015
Manufacturer: Link Audio Design, August-Bebel-Str.18, 08373 Remse, linkaudiodesign@gmail.com