--- product_id: 277478998 title: "Power Supply Ac Dc Adapter For Blackstar Fly 3, 3 Bass Amplifier, Fly3 Guitar Bluetooth & Acoustic" brand: "keen eye" price: "¥11810" currency: JPY in_stock: true category: "Keen Eye" url: https://www.desertcart.jp/products/277478998-power-supply-ac-dc-adapter-for-blackstar-fly-3-3 store_origin: JP region: Japan --- # 18W power output 100-240V universal input 46-inch cable length Power Supply Ac Dc Adapter For Blackstar Fly 3, 3 Bass Amplifier, Fly3 Guitar Bluetooth & Acoustic **Brand:** keen eye **Price:** ¥11810 **Availability:** ✅ In Stock ## Summary > ⚡ Power your passion, anywhere, anytime. ## Quick Answers - **What is this?** Power Supply Ac Dc Adapter For Blackstar Fly 3, 3 Bass Amplifier, Fly3 Guitar Bluetooth & Acoustic by keen eye - **How much does it cost?** ¥11810 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.jp](https://www.desertcart.jp/products/277478998-power-supply-ac-dc-adapter-for-blackstar-fly-3-3) ## 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 - • **Extended Reach:** Generous 46-inch cable keeps your setup flexible and clutter-free. - • **Plug & Play Power:** Seamlessly powers your Blackstar Fly 3 series amps without fuss. - • **Battery Saver Mode:** Ditch disposable batteries and stay powered for every jam session. - • **UL Certified Safety:** Built to meet UL standards for reliable, worry-free performance. - • **Universal Voltage Compatibility:** Works worldwide with 100-240V input—tour-ready and travel-friendly. ## Overview The Keen Eye Power Supply is a UL-listed, 18-watt AC/DC adapter designed specifically for Blackstar Fly 3 series amplifiers, including Bluetooth, Bass, and Acoustic models. Featuring a universal 100-240V input and a 46-inch cable, it ensures reliable, travel-ready power without the hassle of batteries. ## 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 | | Additional Features | Travel | | Brand | Keen Eye | | Built-In Media | adapter | | Color | Black | | Compatible Devices | Amplifiers | | Compatible Phone Models | Blackstar Fly 3 Guitar, Blackstar Fly 3 Bass, Blackstar Fly 3 Bluetooth | | Connectivity Technology | Wired | | Connector Type | Proprietary | | Customer Package Type | Standard Packaging | | Enclosure Material | Plastic | | Frequency Range | 50-60 Hz | | Input Voltage | 240 Volts | | Item Weight | 0.5 Pounds | | Main Power Connector Type | 2 pin | | Manufacturer | Keen Eye, Inc. | | Model Number | 4334183865 | | Mounting Type | Wall Mount | | Number of Items | 1 | | Number of Power Levels | 1 | | Output Voltage | 9 Volts | | Portable | Yes | | Power Plug | Type A - 2 pin (North American) | | Power Source | Corded Electric | | Specification Met | UL | | UPC | 810155030001 | | Unit Count | 1.0 Count | | Wattage | 18 watts | ## Product Details - **Brand:** Keen Eye - **Colour:** Black - **Compatible devices:** Amplifiers - **Compatible phone models:** Blackstar Fly 3 Guitar, Blackstar Fly 3 Bass, Blackstar Fly 3 Bluetooth - **Connector type:** Proprietary - **Included components:** adapter - **Input voltage:** 240 Volts - **Number of Items:** 1 - **Special features:** Travel - **Wattage:** 18 watts ## Images ![Power Supply Ac Dc Adapter For Blackstar Fly 3, 3 Bass Amplifier, Fly3 Guitar Bluetooth & Acoustic - Image 1](https://m.media-amazon.com/images/I/71xxzNmD6EL.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 ## 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.jp/products/277478998-power-supply-ac-dc-adapter-for-blackstar-fly-3-3](https://www.desertcart.jp/products/277478998-power-supply-ac-dc-adapter-for-blackstar-fly-3-3) --- *Product available on Desertcart Japan* *Store origin: JP* *Last updated: 2026-05-21*