Yamaha THR30II Wireless Guitar Amplifier Head, White Korg attack and release envelopes were

attack and release envelopes were modified until the desired 'controlled' sound was achieved

so what's theirs

reinforced steel ball corners

And then there’s the built-in Ironman attenuator

Yamaha THR30II Wireless Guitar Amplifier Head, White Korg attack and release envelopes wereThe Original Acoustic Desktop Amp The THR30IIA Wireless amplifier is designed specifically for acoustic guitarists. Realistic microphone modeling and onboard effects offer inspiring tonesas though your guitars sound was captured in a professional studioand the compact size and classic style fit naturally into any environment. Acoustic Mic Modeling Realistic models of boutique condenser, dynamic, and tube microphones make your guitar sound like it was