--- product_id: 47500459 title: "Blackstar Power Supply AC DC Adapter for Fly 3 Amplifier, Guitar Bluetooth & Acoustic" brand: "keen eye" price: "€ 40.96" currency: EUR in_stock: true reviews_count: 8 url: https://www.desertcart.be/products/47500459-blackstar-power-supply-ac-dc-adapter-for-fly-3-amplifier store_origin: BE region: Belgium --- # 18W power output 100-240V universal input 46-inch cable length Blackstar Power Supply AC DC Adapter for Fly 3 Amplifier, Guitar Bluetooth & Acoustic **Brand:** keen eye **Price:** € 40.96 **Availability:** ✅ In Stock ## Summary > ⚡ Power your sound, own the stage—no batteries required! ## Quick Answers - **What is this?** Blackstar Power Supply AC DC Adapter for Fly 3 Amplifier, Guitar Bluetooth & Acoustic by keen eye - **How much does it cost?** € 40.96 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.be](https://www.desertcart.be/products/47500459-blackstar-power-supply-ac-dc-adapter-for-fly-3-amplifier) ## Best For - keen eye enthusiasts ## Why This Product - Trusted keen eye brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Long Reach, No Limits:** Generous 46-inch cable lets you position your amp exactly where you want - • **Compact & Travel-Ready:** Lightweight, wall-mountable design built for on-the-go musicians - • **Battery-Free Jam Sessions:** Ditch disposable batteries and enjoy uninterrupted practice or gigs - • **Plug In Anywhere, Play Everywhere:** Universal 100-240V input supports global use without a hitch - • **Power Your Fly 3 Series with Confidence:** Seamless compatibility with Fly 3, Fly 3 Bass, Fly 3 Acoustic & Bluetooth models ## Overview The Blackstar Power Supply AC DC Adapter delivers a reliable 18W output with a 46-inch cable, designed specifically for Blackstar Fly 3 series amplifiers including Bluetooth and acoustic models. Its universal 100-240V input ensures worldwide compatibility, making it an essential travel companion for musicians seeking uninterrupted, battery-free performance. ## Description Here we have for sale a power supply for the Blackstar Fly 3, Fly 3 Bluetooth, Fly 3 Bass, and Fly 3 Acoustic Guitar Amplifiers. Save your batteries for when you're on the go. Input: AC100-240V 50/60Hz Compatible models: Blackstar Fly 3 Blackstar Fly 3 Bluetooth Blackstar Fly 3 Bass Blackstar Fly 3 Acoustic *Does not work with the larger Blackstar Superfly ** Also we've had a few customers contact us about the LED light not working. The power supply case has a lens for an LED light but the circuit does not have a an LED light inside. So this is normal for there to be no light coming through the lens. ## Features - Works with Blackstar Fly 3 Series Amps. - Blackstar Fly 3 - Compatible with Blackstar Fly 3, Fly 3 Bass, Fly 3 Acoustic - Input 100-240V 50/60Hz - UL Listed - Cable length 46" inches ## Technical Specifications | Specification | Value | |---------------|-------| | Asin | B076F3YQJP | | Best Sellers Rank | #7,064 in Musical Instruments (See Top 100 in Musical Instruments) #2 in Electric Guitar Power Amps #2,290 in Music Recording Equipment | | Brand | Keen Eye | | Built In Media | 2 x 10ft Power Cords | | Color | Black | | Compatible Devices | Amplifiers | | Compatible Phone Models | Fly 3 | | Compatible Power Plug Type | Type A - 2 pin (North American) | | Connectivity Technology | Bluetooth | | Connector Type | barrel connector | | Current | AC | | Customer Package Type | Standard Packaging | | Customer Reviews | 4.7 4.7 out of 5 stars (551) 4.7 out of 5 stars | | Enclosure Material | Plastic | | Form Factor | Compact rectangular shape with fixed cable | | Frequency Range | 50-60 Hz | | Input Voltage | 240 volts | | Item Weight | 8 ounces | | Main Power Connector Type | 2 Pin | | Manufacturer | Keen Eye, Inc. | | Mfr Part Number | BlkStrPS | | Model Number | 4334183865 | | Mounting Type | Wall Mount | | Number Of Items | 1 | | Number Of Power Levels | 1 | | Output Voltage | 9 volts | | Power Plug | Type A - 2 pin (North American) | | Power Source | Corded Electric | | Special Features | Travel | | Unit Count | 1 Count | | Upc | 810155030001 | | Wattage | 18 watts | ## Product Details - **Brand:** Keen Eye - **Color:** Black - **Compatible Devices:** Amplifiers - **Compatible Phone Models:** Fly 3 - **Connector Type:** barrel connector - **Included Components:** 2 x 10ft Power Cords - **Input Voltage:** 240 Volts - **Number of Items:** 1 - **Special Feature:** Travel - **Wattage:** 18 watts ## Images ![Blackstar Power Supply AC DC Adapter for Fly 3 Amplifier, Guitar Bluetooth & Acoustic - Image 1](https://m.media-amazon.com/images/I/71xxzNmD6EL.jpg) ![Blackstar Power Supply AC DC Adapter for Fly 3 Amplifier, Guitar Bluetooth & Acoustic - Image 2](https://m.media-amazon.com/images/I/71Z53nKL8aL.jpg) ## Questions & Answers **Q: How long is the power cable?** A: Thanks for your question. The length of the mains cable that goes from the wall outlet to the power supply is about 3 foot 10 inches. The cable that comes from the power supply to the amp is about 3 foot 8 inches. The total length from end to end is about 7 foot 9 inches. **Q: Does this power supply cause humming issues with the fly 3** A: Here's a video of the amp using the power supply with both the clean and gain channels. It operates nice and quiet. **Q: Does it work for a 220V input (in Argentina)?** A: Input is 100V-240V 50/60Hz so it should work well **Q: I am in the usa, will it come with nema 120vac cord or a nema 240vac cord?** A: 120volt ## Customer Reviews ### ⭐⭐⭐⭐⭐ Blackstar Power Supply works! *by on Reviewed in the United States January 15, 2026* This product is working as advertised. ### ⭐⭐⭐⭐⭐ Reliable power supply. *by on Reviewed in the United States December 21, 2024* Recommended for Blackstar fly 3 amplifier, you will save lots of batteries in the long run and gives reliable power to it. It is sold separately, but it is usually offered as the "frequently bought together" accesory. ### ⭐⭐⭐⭐⭐ The value and quality *by on Reviewed in the United States October 14, 2025* Perfect fit for my amp ## Frequently Bought Together - Blackstar Power Supply AC DC Adapter for Fly 3 Amplifier, Guitar Bluetooth & Acoustic - Blackstar Fly 3-3-watt 1x3 inch Compact Mini Guitar Amplifier w/ 2 Channels and Patented ISF - Black - Blackstar Fly 3-3-watt 1x3 inch Compact Mini Bass Amp w/ 2 Channels and Emulated Line Out - Black --- ## 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.be/products/47500459-blackstar-power-supply-ac-dc-adapter-for-fly-3-amplifier](https://www.desertcart.be/products/47500459-blackstar-power-supply-ac-dc-adapter-for-fly-3-amplifier) --- *Product available on Desertcart Belgium* *Store origin: BE* *Last updated: 2026-09-01*