The CodaBow SJA4 Joule Violin Bow allows for complete customization and delivers a clear, bright tone, perfect for electric violinists and extended instrument musicians.
Unleash Energy with the Joule Carbon Fiber Violin Bow
The Joule bow, named after the 19th-century physicist Joule, is designed to enhance energy and power in your violin performance. Its innovative shaft design and composite core ensure exceptional power and agility, producing resonant tones and sharp articulations effortlessly.

Innovative Shaft Design
Adds mass to enhance performance while maintaining balance and flexibility.
Strategic Frog and Hair Length
Boosts resonance and projection, offering flexibility for various playing styles.
Layered Diamond Weave
Combines strength and flexibility for precise control and expressive nuances.
Reviews and Recommendations
Musicians praise the Joule for its expression and performance capabilities. It caters to electric and 5-6 string instruments, enhancing old-time, fast jam, and bluegrass performances. Users appreciate the bow's weight distribution across strings and effortless tone production.
Crafted for Durability and Sustainability
All components of the Joule bow are meticulously crafted for durability, ensuring worry-free play throughout its lifetime. The bow holds the GlobalBow® designation, guaranteeing compliance with international regulations on protected species.
Experience the Joule's Versatility
With the CodaBow Joule, musicians can achieve new levels of expression and performance. Whether in Los Angeles, Paris, or anywhere else, the Joule bow is the perfect companion for violin/viola/celloists seeking a high-quality, sustainable, and versatile playing experience.

Key Characteristics
Balance
Center-Tip
Weight
Medium-Heavy
Action
Moderate
Stiffness
Medium-Stiff