MOTU Ultralite Mk5 18x22 USB Audio Interface with DSP / Mixing and Effects 100697179 This then feeds your guitar

This then feeds your guitar amp and pedals

Master and extension speaker sold as one set

and S3 is no different

Output Impredance: 2

MOTU Ultralite Mk5 18x22 USB Audio Interface with DSP / Mixing and Effects 100697179 This then feeds your guitarMOTU Ultralite Mk5 18x22 USB Audio Interface with DSP Mixing and Effects 5th generation engineering delivers unprecedented sound quality, ultra low latency and proven performance. The UltraLite mk5 includes renowned ESS Sabre32 DAC technology, featuring the ES9026PRO DAC, to deliver measured 125 dB dynamic range and 114 dB THD+N. Renowned drivers deliver rock solid performance and industry leading low latency. Optimized drivers for both Mac and PC