The Boss CH-1 Super Chorus is a stereo chorus pedal that delivers crisp, shimmering modulation with a clear high-end and smooth depth control. Introduced in 1989, it is designed to add a rich, spatial quality to guitar and other instruments. The CH-1 provides a classic chorus effect, making it ideal for clean arpeggios, lush chord progressions, and melodic lead lines. Its **four-knob layout—Effect Level, EQ, Rate, and Depth—**allows players to fine-tune their chorus tone from subtle movement to full, swirling modulation. The pedal’s stereo output also enables wide, immersive sounds when connected to two amplifiers or stereo recording setups.

The Boss CH-1 is known for its bright, clear tone, which differentiates it from warmer, vintage-style chorus pedals like the Boss CE-2W Waza Craft. While the Boss CE-5 Chorus Ensemble provides a wider range of chorus textures, including darker, analog-style tones, the CH-1 focuses on crisp, modern shimmer. Compared to digital chorus pedals, such as the TC Electronic Corona Chorus, the CH-1 retains a classic, analog-like warmth, making it a versatile choice for players looking for a balance between vintage and modern chorus tones.

The Boss CH-1 is widely used in pop, rock, blues, jazz, and funk, where clean and spacious guitar tones are essential. It is particularly popular in '80s-style rock and new wave music, thanks to its bright, shimmering modulation. Many funk and R&B guitarists use the CH-1 to add movement and depth to clean rhythm parts, while lead players in blues and rock enjoy its ability to thicken and enhance solos. It also works well in ambient and shoegaze settings, where stereo chorus effects can create dreamy, expansive textures.

The Boss CH-1 and Boss CE-5 Chorus Ensemble both offer high-quality chorus effects, but they have distinct tonal differences. The CH-1 is known for its brighter, shimmering sound, while the CE-5 provides a darker, warmer chorus with a wider range of tonal shaping options. The CE-5 also includes high- and low-cut filters, allowing for more control over frequency response, whereas the CH-1 has a simpler EQ knob. If you prefer a sparkling, modern chorus, the CH-1 is a great choice, whereas the CE-5 is better suited for those who want a more versatile and vintage-inspired chorus.

The Boss CH-1 Super Chorus was first released in 1989, becoming a staple for guitarists looking for a clean, expressive chorus effect. It replaced earlier Boss chorus models, such as the CE-3, and introduced stereo output for wider spatial effects. Over the decades, the CH-1 has remained a go-to chorus pedal for musicians in various genres, thanks to its durability, affordability, and timeless sound. While Boss has released newer chorus models, the CH-1 continues to be widely used in live performances and studio recordings worldwide.