Boost (Clean boost (up to 35dB)) · $40
The Joyo JF-38 Roll Boost is an analog clean boost (up to 35dB) pedal based on the Class A clean boost, with Boost controls, made in China. From $40.
| Category | Boost (Clean boost (up to 35dB)) |
| Circuit / based on | Class A clean boost |
| Signal | Analog |
| Controls | Boost |
| Switches | Class A boost mode toggle |
| Footswitches | 1 |
| Bypass | true bypass |
| True bypass | Yes |
| I/O | 1/4" mono in/out |
| Power | 9V-18V DC |
| Battery power | Yes |
| Enclosure | aluminum alloy |
| Dimensions | 118 x 68 x 50 mm |
| Weight | 200 g |
| Country of manufacture | China |