Sennheiser e845 High Performance Handheld Supercardioid Vocal Mic Keyboard Stands This model is exactly like

This model is exactly like the GT-750 except uses a steel tone ring  (instead of brass) and a plain maple resonator (instead of curl) Springsteen bought two of these for his 2007 European solo tour

acting like a subtle limiter which is particularly advantageous when interfacing the ProD2 with digital pianos

output or gain reduction indication

and frankly

Sennheiser e845 High Performance Handheld Supercardioid Vocal Mic Keyboard Stands This model is exactly likeThe Sennheiser e 845 extended high frequency response and supercardioid pick up pattern for higher signal output, cuts through high on stage sound levels. Smooth warm tonal response and full dynamic range, with presence lift for vocal clarity and projection. Consistent on off axis and proximity response maintain sound quality while moving, providing greater on stage freedom. Full metal construction and extensive suspension and shock mounting minimize