Headphone Mini Amp Build V1.0a Instructions [featured_image] Headphone Mini Amp V1.0a Build Instructions Download is available until [expire_date] Version Download 4605 File Size 606.87 KB File Count 1 Create Date 10 July, 2015 Last Updated 2 May, 2026 Headphone Mini Amp Build V1.0a Instructions Re-verb V3.1 build instructions Headphone Super-Mini Amp V1.0b Build Instructions