High voltage clean booster - preamplifier:

• Gain control from 0 dB to 20 dB
• Voltage converter to 24 Volts inside
• Tone control switch: "normal" - "treble"
• True bypass
• Full metal design
• Power from power supply 9V 14mA
• 90x36x30 mm 3.54"x1.41"x1.18"