ESP MM-04 Preamp Booster

ESP MM-04 is an onboard guitar preamp and booster developed for Alexi Laiho, with adjustable gain and treble EQ presets.

Technical specifications

• Type: ESP MM-04 preamp/booster
• Gain: +4.5 to +18 dB
• EQ: 4 DIP switches, 7 treble presets
• Power: 9 V battery
• Board Dimensions: 45 × 25 × 9 mm (without potentiometer)
• Included: Volume pot, boost switch, output jack, battery clip, instructions

Tags: ESP MM-04 Preamp Booster