JS-4 Triple-Regulated Power Supply

After more than 2 years of development and testing, the JS-4—UpTone's new triple-regulated, dual-output, 100% isolated, 2.1A/4A linear power supply is in production! Beginning in June 2025 we began building and delivering 30 units per month–and they keep selling out in advance very quickly. All the JS-4 units for August have been reserved by clients, so we are now accepting reservations for our September build. PLEASE CONTACT US TO ORDER YOURS AND TO RECEIVE A CUSTOM SHIPPING QUOTATION. User reviews of the JS-4 have begun to appear. See this forum thread for the early raves. DC cables are not included with the JS-4; Please look at our SAPPHIRE Silver-Plated, Star-Quad DC Cables —with Neutrik SpeakON plugs to fit JS-4—and request to order one or two to be included with your JS-4 shipment. UpTone presets each unit to operate in 100/115/120V or 220/230/240V countries (user can adjust afterwards) Ships via insured UPS 3-Day Select service ($20~$40) in the US. Outside the US via door-to-doo