Expander Pedals
Expander pedals add extra control and functionality to the effects you already own, giving you more presets, tap tempo or hands-free performance options. They are ideal if you love a particular pedal but want easier access to its deeper features. Our Expander Pedals category includes the compact Malekko Lil Buddy Sneak Attack Expander, the powerful Neunaber Audio Expander Controller and the Catalinbread CB Tap for external tap tempo duties.
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Expander Pedals – Frequently Asked Questions
What does an expander pedal actually do?
An expander pedal is designed to work alongside another pedal or multi-effect, unlocking extra features or control. Depending on the model, this might mean adding tap tempo, access to more presets, preset morphing, extra expression inputs or new ways of triggering envelopes. For example, the Neunaber Expander Controller can recall multiple effects and presets from compatible Neunaber pedals.
What is the difference between an expander, expression and tap pedal?
An expander like the Neunaber Expander or Malekko Lil Buddy is often a dedicated companion piece designed for specific pedals, adding extra modes or functions. Expression pedals provide continuous control over a parameter, while tap pedals such as the Catalinbread CB Tap send tempo pulses. Many expanders combine more than one of these roles.
Do expander pedals work with any effect?
Most expanders are designed with particular pedals or ecosystems in mind, so it is important to check compatibility. The Lil Buddy Sneak Attack Expander is made for Malekko’s Sneak Attack, while the Neunaber Expander Controller is tailored to Neunaber’s stereo effects. The CB Tap can control a range of pedals with a standard normally-open tap input, not just the Belle Epoch Deluxe.
How can expander pedals help in a live setup?
By moving key functions to a separate footswitch, expander pedals make it much easier to change sounds mid-song. You can flip between presets on a reverb, tap in delay tempo or trigger envelopes without bending down. This is particularly useful if you rely on one main pedal for several core tones and want faster access to them on stage.
Do expander pedals need power?
Some expander pedals are fully passive, while others require power for LEDs, memory and more complex switching. For instance, the Neunaber Expander uses power to manage multiple presets and expression inputs, whereas a simple tap switch may not. Always check the product page and make sure your power supply has enough outputs and current capacity.
