🔌🎛️⚡

#preamp #signal boost #audio interface #amplifier #gain stage #line level #amplification #power amp input

🔉🎛️🔊

#preamp #audio gain #volume boost #signal boost #amplifier #audio level #sound control #line level

🎹🔌➡️🔊

#audio routing #signal chain #line level #audio interface #synthesizer output #keyboard audio #patch cable