The Danelectro Spring King Reverb is a large-format stompbox that delivers authentic spring reverb sounds. It offers a straightforward control layout with three main knobs: Volume, Tone, and Decay. These controls allow you to adjust the level of the reverb effect, shape its tonal character, and control the length of the reverb decay.

One unique feature of the Spring King is the "Kick Pad." When you kick the pad, it physically moves the spring inside the pedal, creating a percussive effect. This adds a fun and interactive element to the pedal, allowing you to generate interesting and dynamic reverb textures by interacting with the Kick Pad.

The Spring King Reverb aims to capture the vintage sound of classic spring reverb units found in vintage amplifiers, providing that distinctive "drippy" and atmospheric reverb effect that many guitarists love. With its large format, it's designed to be easily operated on stage, making it convenient for live performances.

Overall, the Danelectro Spring King Reverb is a user-friendly and expressive pedal that brings the classic spring reverb experience to modern pedalboards. Its simple controls and unique Kick Pad feature make it a versatile choice for guitarists seeking to add authentic spring reverb textures to their sound.