Boost (Clean Boost / Buffer) · $279
The JAM Pedals Boomster mk.2 is an analog clean Boost / Buffer pedal based on the Burr Brown OPA2132 op-amp boost/buffer, with Level; 3-position voicing selector; voicing-amount internal trimmers controls, made in Greece. Features an expression input. From $279.
| Category | Boost (Clean Boost / Buffer) |
| Circuit / based on | Burr Brown OPA2132 op-amp boost/buffer |
| Signal | Analog |
| Controls | Level; 3-position voicing selector; voicing-amount internal trimmers |
| Switches | 3-way voicing (attenuate highs / flat / added mids); momentary-or-latching operation |
| Footswitches | 1 (bypass, momentary or latching) |
| Bypass | selectable true bypass / buffered bypass (internal DIP, ships buffered) |
| True bypass | Yes |
| Expression input | Yes |
| I/O | In/Out; expression input (10k passive) for volume-pedal function |
| Power | 9-18V DC |
| Country of manufacture | Greece |
Closest matches from other makers, by spec and circuit.