Boost (Silicon Treble Booster) · $278
The Expresso FX Silicon Boost is an analog silicon Treble Booster pedal based on the Single-transistor treble booster (Rangemaster-style), with Level, Range controls. From $278.
| Category | Boost (Silicon Treble Booster) |
| Circuit / based on | Single-transistor treble booster (Rangemaster-style) |
| Signal | Analog |
| Controls | Level, Range |
| Footswitches | 1 |
| Bypass | true bypass |
| True bypass | Yes |
| Dimensions | 121 x 66 x 40 mm (W x D x H) |
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