--- product_id: 351067443 title: "High Voltage DC-DC Boost Converter 12V to 150-420V & 1.5-12V Step Up Power | 170V 230V Output, 6.3V Filament Adjustable, 2-Way PSU Regulator Module, Step Up Power Supply, For Tube Preamp/Nixie Tube" brand: "qinizx" price: "€ 38.46" currency: EUR in_stock: true category: "Qinizx" url: https://www.desertcart.pt/products/351067443-high-voltage-dc-dc-boost-converter-12v-to-150-420v store_origin: PT region: Portugal --- # 150-420V adjustable high voltage output Compact PCB size 90x55x32mm 3 precision potentiometers for fine tuning High Voltage DC-DC Boost Converter 12V to 150-420V & 1.5-12V Step Up Power | 170V 230V Output, 6.3V Filament Adjustable, 2-Way PSU Regulator Module, Step Up Power Supply, For Tube Preamp/Nixie Tube **Brand:** qinizx **Price:** € 38.46 **Availability:** ✅ In Stock ## Summary > ⚡ Elevate your tube preamp game with precision power control! ## Quick Answers - **What is this?** High Voltage DC-DC Boost Converter 12V to 150-420V & 1.5-12V Step Up Power | 170V 230V Output, 6.3V Filament Adjustable, 2-Way PSU Regulator Module, Step Up Power Supply, For Tube Preamp/Nixie Tube by qinizx - **How much does it cost?** € 38.46 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.pt](https://www.desertcart.pt/products/351067443-high-voltage-dc-dc-boost-converter-12v-to-150-420v) ## Best For - qinizx enthusiasts ## Why This Product - Trusted qinizx brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Compact & Versatile Design:** Small PCB footprint fits seamlessly into custom builds or upgrades without bulk or hassle. - • **Dual Voltage Control Mastery:** Independently adjust filament (1.25-12V) and high voltage (150-420V) outputs for ultimate customization. - • **Precision Current Regulation:** Fine-tune high voltage current (30-40mA) with dedicated potentiometer to safeguard your delicate components. - • **Reliable Power Supply Module:** CE-certified, corded electric power source with 3-month warranty—engineered for consistent, stable performance. - • **High-Frequency Switching Tech:** 80KHz switching ensures ultra-low noise and pristine audio signal integrity—perfect for audiophile-grade tube preamps. ## Overview The QINIZX High Voltage DC-DC Boost Converter transforms a 12V input into a finely adjustable high voltage output ranging from 150V to 420V, alongside a filament voltage regulator adjustable between 1.25V and 12V. Featuring high-frequency 80KHz switching technology, it delivers low noise and high signal-to-noise ratio, ideal for tube preamps and Nixie tube applications. Compact in size and equipped with three potentiometers for precise voltage and current tuning, this CE-certified module offers reliable, customizable power supply performance in a compact PCB form factor. ## Description Buy High Voltage DC-DC Boost Converter 12V to 150-420V & 1.5-12V Step Up Power | 170V 230V Output, 6.3V Filament Adjustable, 2-Way PSU Regulator Module, Step Up Power Supply, For Tube Preamp/Nixie Tube: Power Converters - desertcart.com ✓ FREE DELIVERY possible on eligible purchases ## Features - DC12V Boost Converter High Voltage Filament Filter Power Supply Board, with a set of filament and a set of high voltage, two sets of voltage adjustable. [Note: The higher the output voltage, the lower the output current. This has nothing to do with product quality.] - Input voltage 12VDC, Output high voltage 150V-420VDC and 1.25V-12V DC filament voltage regulator is adjustable. - Due to the use of high-frequency switch, no effect on the audio, signal to noise ratio is very high. - PCB Size: 90x55x32mm/ 3.54x2.16x1.25inch(LxWxH) (Note that the size of the filter capacitor may be different, and the parameter value is the same, and we will ship it randomly.) - 20K potentiometer can adjust filament voltage (1.25V-12V DC, max 3A) ; 30K potentiometer can adjust high voltage voltage (150V-420V DC); 1K potentiometer(near the heatsink) can adjust high voltage current (30-40 mA). ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B0992GCCSK | | Best Sellers Rank | #337,627 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #1,462 in Power Converters | | Brand Name | QINIZX | | Current Rating | 3 A | | Customer Reviews | 2.9 2.9 out of 5 stars (34) | | Item Dimensions D x W x H | 2.16"D x 3.54"W x 1.25"H | | Item Weight | 4.16 ounces | | Manufacturer | QINIZX | | Maximum Frequency | 80 KHz | | Minimum Frequency | 80 KHz | | Model | 12VBoost-HVPSU | | Mounting Type | PCB Mount | | Part Number | 12VBoost-HVPSU | | Power Source | Corded Electric | | Specification Met | CE | | UPC | 723258876523 | | Unit Count | 1 Count | | Warranty Description | 3 months | ## Product Details - **Brand:** QINIZX - **Current Rating:** 3 A - **Mounting Type:** PCB Mount - **Power Source:** Corded Electric - **Product Dimensions:** 2.16"D x 3.54"W x 1.25"H ## Images ![High Voltage DC-DC Boost Converter 12V to 150-420V & 1.5-12V Step Up Power | 170V 230V Output, 6.3V Filament Adjustable, 2-Way PSU Regulator Module, Step Up Power Supply, For Tube Preamp/Nixie Tube - Image 1](https://m.media-amazon.com/images/I/6102IBFQNbS.jpg) ![High Voltage DC-DC Boost Converter 12V to 150-420V & 1.5-12V Step Up Power | 170V 230V Output, 6.3V Filament Adjustable, 2-Way PSU Regulator Module, Step Up Power Supply, For Tube Preamp/Nixie Tube - Image 2](https://m.media-amazon.com/images/I/61UoyXdkiES.jpg) ![High Voltage DC-DC Boost Converter 12V to 150-420V & 1.5-12V Step Up Power | 170V 230V Output, 6.3V Filament Adjustable, 2-Way PSU Regulator Module, Step Up Power Supply, For Tube Preamp/Nixie Tube - Image 3](https://m.media-amazon.com/images/I/61hntcXp+JS.jpg) ![High Voltage DC-DC Boost Converter 12V to 150-420V & 1.5-12V Step Up Power | 170V 230V Output, 6.3V Filament Adjustable, 2-Way PSU Regulator Module, Step Up Power Supply, For Tube Preamp/Nixie Tube - Image 4](https://m.media-amazon.com/images/I/61ezJxDr-zS.jpg) ![High Voltage DC-DC Boost Converter 12V to 150-420V & 1.5-12V Step Up Power | 170V 230V Output, 6.3V Filament Adjustable, 2-Way PSU Regulator Module, Step Up Power Supply, For Tube Preamp/Nixie Tube - Image 5](https://m.media-amazon.com/images/I/61O1Hy9iU+L.jpg) ## Frequently Bought Together - High Voltage DC-DC Boost Converter 12V to 150V-420V 170V 230V & 1.25V-12V 6.3V Filament Adjustable Step Up Power Supply 2-Way PSU Regulator Module for Tube Preamp/Nixie Tube - Acxico High Voltage DC Converter Nixie&Magic Eye Tube HV Power Supply Module 250V/6.3V - High Voltage DC-DC Boost Power Supply Converter Module for Vintage Vacuum Nixie Tube, Magic Eye 6E2 Level Indicator 9V-12V DC Input, 80V-380V DC Output (Green) --- ## Why Shop on Desertcart? - 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016 - 🌍 **Shop Globally** — Access 737+ million products across 21 categories - 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price - 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members) - 🔒 **Secure Payments** — Trusted payment options with buyer protection - ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews **Shop now:** [https://www.desertcart.pt/products/351067443-high-voltage-dc-dc-boost-converter-12v-to-150-420v](https://www.desertcart.pt/products/351067443-high-voltage-dc-dc-boost-converter-12v-to-150-420v) --- *Product available on Desertcart Portugal* *Store origin: PT* *Last updated: 2026-08-03*