EQ / Preamp (Bass amp-in-a-box preamp (Mesa/Boogie Bass 400+)) · $259
The Master Effects Super Four Hundred is an analog bass amp-in-a-box preamp (Mesa/Boogie Bass 400+) pedal based on the Mesa/Boogie Bass 400+ preamp, with Ch1 & Ch2 inputs w/independent Gain + Bright; Bass, Middle, Treble; 7-band active gyrator EQ controls, made in Canada. From $259.
| Category | EQ / Preamp (Bass amp-in-a-box preamp (Mesa/Boogie Bass 400+)) |
| Circuit / based on | Mesa/Boogie Bass 400+ preamp |
| Signal | Analog |
| Controls | Ch1 & Ch2 inputs w/independent Gain + Bright; Bass, Middle, Treble; 7-band active gyrator EQ |
| Switches | Bass shift, Treble shift, Bright switches |
| Footswitches | 1 |
| Bypass | true bypass |
| True bypass | Yes |
| Power | 9V DC (internal 33V booster) |
| Power draw | 150 mA |
| Country of manufacture | Canada |