Instagram @Wearegreatplainsaudio wearegreatplainsaudio We are ready now ! See you in Munich !!! #highendm Christmas Sale! 20% off in our famous drivers This is our new 415-8B Biflex driver inspired by J For few days, 25% off in our drivers! https://grea great-plains-audio.myshopify.com September Sale! 15% off Only in high performance & We are in AXPONA audio show ! Visit us at Expo Hal Spring Sale! 20% off in our famous drivers. Until Spring Sale ! 20% off until May 8, only in high pe Our new subwoofer driver 516-SW ready to ship. Buy Valentine's Sale: 20% off. Only in our famous driv #blackfriday #blackfriday2021 20% off in our famo Don´t forget to visit our online store: https://g Bill Hanuschak, our chief engineer (CTO) and Santy New prototype: driver Biflex 415... soon One of the best high frequency compression drivers A lot of stuff to make one GPA driver. Handmade in Best 12” driver for your DIY projects: 414 from Our next subwoofer driver the GREAT PLAINS AUDIO 5 Instagram post 18122331475188396 Follow on Instagram