It features adjustable pole-pieces and a premium TA4 mini-XLR connector integrated into the housing, allowing easy installation, removal, and connection to the included cable, or your own custom endpin mounting solution.

Humbucking magnetic coil with cutting vintage sound
Passive design for battery-free operation
Adjustable pole pieces allow for perfect string balance adjustment and help to compensate for varying string heights between instruments
Included 5-foot cable featuring premium TA4 mini-XLR connector to ¼” combination endpin jack/in-line connector for easy installation and removal
Use out-of-the-box with included cable or create your own custom endpin jack solution

BlackStack’s battery-free design incorporates ceramic magnets for a brilliant acoustic tone, greater hum cancellation, and a vintage sound that can cut through any mix. The provided 5 foot cable features a premium TA4 mini-XLR connector to ¼” combination endpin jack for temporary or permament installation. Individual string output can be balanced through the use of BlackStack’s adjustable pole pieces. Use the included hex wrench to adjust the pole pieces higher or lower. Adjusting the screws higher or lower will result in more or less output from the string closest to the screw