--- product_id: 739605298 title: "Dayton Audio UMII8-22 Ultimax II 8\" DVC Subwoofer 2 Ohm Per Coil" brand: "dayton audio" price: "¥20455" currency: JPY in_stock: false category: "Dayton Audio" url: https://www.desertcart.jp/products/739605298-dayton-audio-umii8-22-ultimax-ii-8-dvc-subwoofer-2 store_origin: JP region: Japan --- # ±18mm xmax for deep bass 400W RMS power handling Carbon fiber cone for distortion-free sound Dayton Audio UMII8-22 Ultimax II 8" DVC Subwoofer 2 Ohm Per Coil **Brand:** dayton audio **Price:** ¥20455 **Availability:** ❌ Out of Stock ## Summary > 🎵 Feel the bass, own the room with Dayton Audio Ultimax II! ## Quick Answers - **What is this?** Dayton Audio UMII8-22 Ultimax II 8" DVC Subwoofer 2 Ohm Per Coil by dayton audio - **How much does it cost?** ¥20455 with free shipping - **Is it available?** Currently out of stock - **Where can I buy it?** [www.desertcart.jp](https://www.desertcart.jp/products/739605298-dayton-audio-umii8-22-ultimax-ii-8-dvc-subwoofer-2) ## Best For - dayton audio enthusiasts ## Why This Product - Trusted dayton audio brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Versatile Setup:** Optimized for sealed or vented enclosures—customize your perfect soundscape. - • **Cool & Consistent:** Advanced venting system minimizes heat and power compression for reliable long sessions. - • **Next-Gen Materials:** Woven carbon fiber cone ensures lightweight durability and crystal-clear response. - • **Powerhouse Performance:** Handles up to 400 watts RMS for booming, room-shaking bass. - • **Precision Bass Control:** ±18 mm excursion delivers deep, punchy lows without distortion. ## Overview The Dayton Audio UMII8-22 Ultimax II 8" DVC Subwoofer combines cutting-edge carbon fiber cone technology with a powerful 400W RMS voice coil and ±18mm excursion to deliver deep, distortion-free bass. Engineered with advanced venting and dual spiders, it ensures consistent performance and heat dissipation, making it ideal for both sealed and vented enclosures. Perfect for audiophiles and DIY enthusiasts seeking premium, reliable low-frequency impact. ## Description Introducing the UMII8-22 Ultimax II 8" Carbon Fiber Cone subwoofer from Dayton Audio. Building on the success of their predecessor, these subwoofers have been meticulously engineered to surpass expectations. With improved excursion capability, lower distortion, higher power handling, better efficiency, and increased output, the Ultimax II subwoofers elevate your audio experience to new depths. Immerse yourself in rich, booming bass that will shake you to the core. Dayton Audio continues to redefine the boundaries of excellence with the UMII8-22 subwoofer. ## Features - A large aluminum shorting cap and sleeve help keep inductance linear to guarantee minimal distortion - The rigid yet lightweight woven carbon fiber cone delivers quick, detailed, and accurate response - With ±18 mm xmax, you can expect powerful and deep bass response, taking your audio experience to the next level - Equipped with a 4-layer 2-1/2" flat wound voice coil that can handle up to 400 watts RMS - The frame and motor include extensive venting ensuring efficient heat dissipation for consistent and reliable operation, while minimizing power compression - Dual spiders maintain cone linearity even at extremely high excursion levels, providing peak audio performance at all times - Optimized for compact sealed enclosures, but capable of exceptional low frequency extension in vented designs - offering you the freedom to create the perfect audio setup ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B0DBRCH213 | | Antenna Location | For Surround Sound Systems, For Home Stereo Systems | | Audio Driver Size | 8 Inches | | Audio Driver Type | Dynamic Driver | | Audio Output Mode | Stereo | | Brand | Dayton Audio | | Built-In Media | Speaker | | Color | Black | | Compatible Devices | Laptop, Desktop, Television, Projector, MP3 Player | | Connectivity Protocol | Wired | | Connectivity Technology | Wired | | Control Method | Touch | | Controller Type | Button | | Customer Reviews | 4.9 4.9 out of 5 stars (45) | | Enclosure Material | Aluminum | | Global Trade Identification Number | 00848791010217 | | Is Waterproof | FALSE | | Item Dimensions D x W x H | 25.4D x 25.4W x 20.3H centimeters | | MP3 player | No | | Manufacturer | Dayton Audio | | Model Name | Dayton Audio UMII8-22 | | Model Number | UMII8-22 | | Mounting Type | Flush Mount | | Number Of Circuits | 1 | | Number of Audio Channels | 1.0 | | Number of Items | 1 | | Power Source | Corded Electric | | Series Number | 2 | | Speaker Maximum Output Power | 400 Watts | | Speaker Size | 8 Inches | | Speaker Type | Subwoofer | | Specific Uses For Product | Home entertainment systems, in-car audio systems, outdoor/portable audio setups | | Subwoofer Connectivity Technology | Wired | | Subwoofer Diameter | 8 Inches | | UPC | 848791010217 | | Unit Count | 1 Count | | Water Resistance Level | Not Water Resistant | | Wireless Technology | No Wireless Communication Technology | | Woofer Diameter | 8 Inches | ## Product Details - **Audio output mode:** Stereo - **Brand:** Dayton Audio - **Connectivity technology:** Wired - **Mounting type:** Flush Mount - **Speaker maximum output power:** 400 Watts ## Images ![Dayton Audio UMII8-22 Ultimax II 8" DVC Subwoofer 2 Ohm Per Coil - Image 1](https://m.media-amazon.com/images/I/71Y6M7Qu1FL.jpg) ## Available Options This product comes in different **Size** options. ## Frequently Bought Together - Dayton Audio UMII18-22 Ultimax II 18" DVC Subwoofer 2 Ohm Per Coil - Facmogu 2PCS 2.2 Inch Square 2-Way Speaker Box Terminal Cup with Banana Plugs, Screw Type Binding Post Subwoofer Box Speaker Terminal Plates for DIY Home Car Stereo - Scosche LOC2SL Line Output Converter with Remote Control Knob - 2CH High/Low RCA Converter Car Audio - Ideal for Subwoofer Amp - Line Level Converter for Car Stereo - Easy Installation - Quality Sound --- ## 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/739605298-dayton-audio-umii8-22-ultimax-ii-8-dvc-subwoofer-2](https://www.desertcart.jp/products/739605298-dayton-audio-umii8-22-ultimax-ii-8-dvc-subwoofer-2) --- *Product available on Desertcart Japan* *Store origin: JP* *Last updated: 2026-10-24*