--- product_id: 734180248 title: "iFI Audio iDefender + CA Hum Noise Reduction Accessory" brand: "ifi" price: "16625 kr" currency: ISK in_stock: true reviews_count: 8 category: "I Fi" url: https://www.desertcart.is/products/734180248-ifi-audio-idefender-ca-hum-noise-reduction-accessory store_origin: IS region: Iceland --- # 10x capacitor filter capacity Eradicates hum/buzz noise Blocks ground loops iFI Audio iDefender + CA Hum Noise Reduction Accessory **Brand:** ifi **Price:** 16625 kr **Availability:** ✅ In Stock ## Summary > 🔊 Elevate your audio game—silence the noise, amplify the vibe! ## Quick Answers - **What is this?** iFI Audio iDefender + CA Hum Noise Reduction Accessory by ifi - **How much does it cost?** 16625 kr with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.is](https://www.desertcart.is/products/734180248-ifi-audio-idefender-ca-hum-noise-reduction-accessory) ## Best For - ifi enthusiasts ## Why This Product - Trusted ifi brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Compact & Lightweight:** Sleek copper build at just 6.6 grams—carry your clarity anywhere - • **Power-Efficient Design:** Works flawlessly even with bus-powered USB DACs - • **Ground Loop Annihilator:** Eliminates annoying hums for crystal-clear audio - • **Seamless USB Plug & Play:** Instant noise defense with zero hassle - • **Dynamic Noise Floor Reduction:** Boosts audio resolution and contrast like a pro ## Overview The iFI Audio iDefender+ is a compact USB noise reduction accessory designed to eliminate ground loop hum and buzz noise, significantly lowering the noise floor for enhanced audio clarity and dynamic contrast. Featuring a 10x increase in capacitor filter capacity, it works seamlessly with PCs, laptops, and bus-powered USB DACs, making it an essential upgrade for audiophiles seeking pristine sound quality. ## Description desertcart.co.jp: iFI Audio iDefender + CA Hum Noise Reduction Accessory : Electronics Review: 10MHz OCXOマスタークロックとDDCと併用。値段も安いし期待していなかったが音は良くなった。 PCを使用する限りiDifenderとiSilencerは外せない。これを取り付けると、PCがスリープする度にDDCとの接続が切断されてしまうのが面倒だが、外す気になれないくらいの効果はある。 Review: たぶんノイズ対策の効果はあると思いますが、良くいえば柔らかい音、悪くいえば少しこもった音になります。 ## Features - Simply connect the iDefender+ to the USB port on your PC or other source device - Not only does it block ground loops and eradicate ham/buzz noise, but it also lowers the noise floor in the system for improved resolution and dynamic contrast - Increased capacitor capacity for filters by 10 times - Also effective for bus-powered USB-DAC ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B0849LVSZP | | Amazon Bestseller | #219,139 in Electronics ( See Top 100 in Electronics ) #187 in Stage Speaker Accessories #183,938 in Electronics Accessories & Supplies | | Batteries Included | No | | Batteries Required | No | | Brand | iFi | | Cable Type | USB | | Compatible Devices | Laptop, Monitor, PC, Speaker | | Connectivity Technology | USB | | Customer Reviews | 3.5 3.5 out of 5 stars (90) | | Date First Available | March 7, 2020 | | Item Model Number | iDefender+ | | Item Weight | 6.6 Grams | | Item model number | iDefender+ | | Manufacturer | Abbingdon Music Research | | Material | Copper | | Package Dimensions | 12.6 x 8.51 x 1.7 cm; 6.6 g | | Size | type C - A | ## Product Details - **Brand:** iFi - **Compatible Devices:** Laptop, Monitor, PC, Speaker - **Connector Type:** USB 3.0, USB Type C - **Item Weight:** 6.6 Grams - **Specific Uses For Product:** Audio Settings ## Images ![iFI Audio iDefender + CA Hum Noise Reduction Accessory - Image 1](https://m.media-amazon.com/images/I/71kLlwtSUmL.jpg) ![iFI Audio iDefender + CA Hum Noise Reduction Accessory - Image 2](https://m.media-amazon.com/images/I/71sCJvwxQ3L.jpg) ![iFI Audio iDefender + CA Hum Noise Reduction Accessory - Image 3](https://m.media-amazon.com/images/I/81dpcgH7g1L.jpg) ![iFI Audio iDefender + CA Hum Noise Reduction Accessory - Image 4](https://m.media-amazon.com/images/I/6192dvxrpuL.jpg) ![iFI Audio iDefender + CA Hum Noise Reduction Accessory - Image 5](https://m.media-amazon.com/images/I/41ScnQcXibL.jpg) ## Available Options This product comes in different **Size** options. ## Customer Reviews ### ⭐⭐⭐⭐⭐ Review *by バ***ル on October 21, 2023* 10MHz OCXOマスタークロックとDDCと併用。値段も安いし期待していなかったが音は良くなった。 PCを使用する限りiDifenderとiSilencerは外せない。これを取り付けると、PCがスリープする度にDDCとの接続が切断されてしまうのが面倒だが、外す気になれないくらいの効果はある。 ### ⭐⭐⭐ Review *by S***2 on September 4, 2025* たぶんノイズ対策の効果はあると思いますが、良くいえば柔らかい音、悪くいえば少しこもった音になります。 ### ⭐⭐⭐⭐ Review *by A***ー on March 23, 2022* スマホのC-TYPEメスに接続するため、C-TYPEオス-メス接続がamazonに残り後１個と表示されていたので購入に進んだのですが、別のC-TYPEオス-A-TYPEメスを選んだことに勝手に置き換わりました。希望製品が選べなかったのが残念ですが、何とか接続できて、ホワイトノイズが激減しましたので満足しています。 ## Frequently Bought Together - iFI Audio iDefender + CA Hum Noise Reducing Accessory - FX-AUDIO- [ACCESSORY SERIES 005] Petit Susie DC Power Supply Noise Cleaner/Noise Filter, Extension Cable Type, Output Plug Outer Diameter 0.2 inch (5.5 mm), Inner Diameter 0.08 inch (2.1/2.5 mm) - FX-AUDIO- Petit Tank Solid State DC Power Noise Cleaner Bulk Capacitor, Extension Cable Type, Output Plug Outer Diameter 0.2 inch (5.5 mm), Inner Diameter 0.08 inch (2.1 / 2.5 mm) Compatible --- ## 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.is/products/734180248-ifi-audio-idefender-ca-hum-noise-reduction-accessory](https://www.desertcart.is/products/734180248-ifi-audio-idefender-ca-hum-noise-reduction-accessory) --- *Product available on Desertcart Iceland* *Store origin: IS* *Last updated: 2026-04-29*