Schaller Bass Machines 4/L M4 90 Light - Chrome Gibson Acoustics The sections are easily extendable

The sections are easily extendable with one hand thanks to an intuitive twist-lock mechanic

Barn Door: Included

It accomplishes this by reducing bass output slightly as you approach the limit of the transducers

Notch filter for instant feedback reduction

Schaller Bass Machines 4/L M4 90 Light - Chrome Gibson Acoustics The sections are easily extendableSchaller M4 series 4 L 90 (Light) Machine. Designed to the high quality standards of the acclaimed M6 series. Ratio 1: 20. Elegance and Lightness for the Schaller Bass Age. Experience the lighter side of heavy duty. M4 (Light) legendary Schaller quality now at a stunning 40% less weight. M4 specs, looks and superior performance define this tuner as a true no compromise where weight reduction is essential. A special female screw guarantees precise