Maestro Rhythm King MRK-4 Wah but they reward experimentation -

but they reward experimentation - they can be noisy compared to later solid state machines

Exceptional condition – as good an example as you could hope to find

Condition is very clean and near mint

Excellent example of the mighty Space Echo

The end panels are also very clean with some minor wear around the edges

Maestro Rhythm King MRK-4 Wah but they reward experimentation -Great example of this uncommon beatbox which features the superb and unique modulation section which allows you to groove an external signal (eg guitar synth etc) using the onboard rhythms. This is stunningly effective and a great creative tool.