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 positioning and fixing of the shaft.

High gear ratio of 1:20 ensures a very precise tuning.

All sealed tuners are lubricated with Schaller special grease for lifetime maintenance-free service.

All parts are precision-crafted and surface-finished, the self-locking drive ensures an even, delicate and steady tuning.

All string posts are made of high-grade aluminium and fitted into the housing with utmost precision, ensuring the best possible tuning accuracy and wear resistance.

Technical Specification:

Gear ratio 1:20, weight 44g per piece, 14mm bore diameter.

The Schaller Bass Machines 4/L M4 180 Light Nickel (10300101.22.70) are premium-quality bass guitar tuners designed for players who demand absolute tuning stability, smooth operation, and reduced headstock weight. Crafted in Germany, these tuners are part of Schaller’s renowned M4 series, trusted by professional bassists and luthiers worldwide.

Featuring a 180-degree mounting configuration and a lightweight construction, the M4 180 tuners help improve balance on the instrument while delivering ultra-precise tuning accuracy. The Light Nickel finish offers a classic, understated aesthetic that complements both modern and vintage bass guitars.

Engineered with Schaller’s precision-cut gears, these bass machines provide smooth, backlash-free tuning and long-term reliability—ideal for studio work, live performance, and custom bass builds. Whether you’re upgrading factory tuners or building a high-end bass from scratch, the Schaller M4 180 tuners deliver professional performance you can rely on.

Available now from Angkor Music Melbourne, your trusted Australian source for genuine Schaller hardware.

Key Features

• Genuine Schaller Bass Machines – Made in Germany

• 4/L configuration (four tuners for left-side headstock layouts)

• M4 180 series with 180° mounting orientation

• Lightweight design reduces neck dive and improves balance

• Smooth, precise tuning with high gear accuracy

• Durable Light Nickel finish

• Ideal for bass upgrades, repairs, and custom builds

• Trusted by professional bassists and luthiers worldwide

FAQ Section

Are these tuners suitable for all bass guitars?

These tuners are compatible with most bass guitars that support Schaller M4 180 mounting specifications. Always check headstock hole size and screw alignment before installation.

What does “4/L” mean?

“4/L” refers to a four-tuner set designed for left-side headstock layouts, commonly found on many bass guitars.

Are these genuine Schaller products?

Yes. All Schaller hardware sold by Angkor Music Melbourne is 100% genuine and sourced from authorised suppliers.

Do these tuners help reduce neck dive?

Yes. The lightweight construction of the M4 180 tuners helps improve balance and reduce neck dive compared to heavier traditional tuners.

Do you ship across Australia?

Yes, Angkor Music Melbourne ships Australia-wide with secure packaging and fast dispatch.