Koch TG50H 50W Head & KSC212-OB Speaker Cabinet - Basic Black Finish – Midlothian Music
Koch TS412 Speaker Cabinet
Koch VG12-60 Speaker (8ohm) | Reverb
Koch Loadbox II Power Attenuator, DI Box and Speaker Emulator | Music & Arts
Koch Amps (official) - #throwbackThursday First series Classictone 410 combo with 40 watts power with 2 channels and a Vibrato! Any players out there still using the 410 or the 210 Classictone? | Facebook
Chris Koch - Speaker Exchange Agency
Richard Koch - Expert Keynote and Motivational Speakers | Chartwell Speakers
Pair of Jensen/Koch VG12-90 Guitar Speakers | Reverb