Down4SoundShop - The JP23 bass knob just provides extra info you and need. It's also inside every JP23 amplifier : https://www.down4soundshop.com/down4sound-jp23-2300w-rms-amplifier/ | Facebook
JP23 V2 DYNO SLAYER - Down 4 Sound Shop
1st Ever Down4Sound JP23 Strapped Amp Dyno Test - YouTube
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Extended Amp Dyno Tests on JP23 v2 and More! - YouTube