Ernie Ball 3817EB John Mayer Slinky 6 Pack 10.5-47 ttm When driven hard

When driven hard

-Balance and headroom never before achieved with a small-capsule microphone

It has a black matte finish

Micro USB jack for firmware updates

Ernie Ball 3817EB John Mayer Slinky 6 Pack 10.5-47 ttm When driven hardErnie Ball 3817EB John Mayer Slinky 6 Pack 10. 5 47. Ernie Ball is excited to announce the launch of the John Mayer Silver Slinky Strings. Silver Slinky Strings are the result of an extraordinary partnership between Ernie Ball and John Mayer. Each string has been meticulously engineered with specific gauges and core to wrap ratios that meet Johns exacting specifications, resulting in the perfect balance of tone and tension. Features: Never before