--- product_id: 5404630 title: "Dayton Audio SPA500 500W Subwoofer Plate Amplifier" brand: "dayton audio" price: "3244.84 DT" currency: TND in_stock: true reviews_count: 10 url: https://www.desertcart.tn/products/5404630-dayton-audio-spa500-500w-subwoofer-plate-amplifier store_origin: TN region: Tunisia --- # 500W Class-AB clean power 50-200Hz adjustable crossover Toroidal transformer efficiency Dayton Audio SPA500 500W Subwoofer Plate Amplifier **Brand:** dayton audio **Price:** 3244.84 DT **Availability:** βœ… In Stock ## Summary > 🎡 Unleash the bass that makes your space the place to be! ## Quick Answers - **What is this?** Dayton Audio SPA500 500W Subwoofer Plate Amplifier by dayton audio - **How much does it cost?** 3244.84 DT with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.tn](https://www.desertcart.tn/products/5404630-dayton-audio-spa500-500w-subwoofer-plate-amplifier) ## 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 - β€’ **Smart Protection:** Advanced soft clip circuitry and thermal/short circuit safeguards ensure your subwoofer stays safe and sound. - β€’ **Tailor Your Bass:** Adjustable low-pass crossover (50-200Hz) and parametric EQ let you sculpt the perfect subwoofer tone. - β€’ **Seamless Integration:** Phase reverse switch and LFE direct input guarantee flawless syncing with your existing audio setup. - β€’ **Efficiency Engineered:** Patented tracking downconverter and toroidal transformer maximize power with minimal heat and energy waste. - β€’ **Power Meets Precision:** 500W Class-AB output delivers crystal-clear, distortion-free bass that commands attention. ## Overview The Dayton Audio SPA500 is a robust 500W Class-AB subwoofer plate amplifier featuring a patented high-efficiency power supply, adjustable low-pass crossover (50-200Hz), and advanced protection circuitry. Designed for audiophiles seeking precise bass control and reliable performance, it offers versatile input options including LFE direct input and phase reversal for perfect speaker integration. ## Description On the SPA500, the input and output connections are through your choice of either line level RCA connectors, or a direct LFE input which bypasses the filtering of the amplifier. A stereo input signal is summed to mono and sent to the internal low pass crossover, which is selectable from 50 to 200 Hz; the input gain sensitivity is fully adjustable as well. also included is a phase reverse switch, which helps you to achieve the best acoustical match with the rest of your speakers. Dial in the perfect tone with the single band EQ. A large surface area heat sink is combined with internal overload, thermal, and short circuit protection so that you can expect years of reliable operation. 1. Low-Level Inputs (Left/Right) - RCA Style jacks that will accept standard line level inputs from a pre-amp level source. 2. LFE Direct Input - RCA Style input jack to bypass the internal filtering for a pure signal to the subwoofer 3. Power Connector Input - Accepts IEC plug for connection to mains 4. Volume (Gain) - This control will match the amplifier's input sensitivity to the output of the pre-amp source. 5. Frequency (Low-pass crossover) - This sets the highest frequency the subwoofer will reproduce and has a range between 50-200Hz with a slope of 18dB/Oct. 6. Power Switch - On, Off and Auto mode. When the β€œAuto” position is selected, the amp is in β€œstand by” mode until an input signal of about 10 mil livolts or greater is detected. The amp will go back to standby mode 10-15 minutes after the input signal stops ## Features - High power Class-AB output stage for clean, controlled output - Patented tracking downconverter power supply for high efficiency - Toroidal power supply transformer - Low frequency parametric EQ allows you to boost or cut to custom-tailor sound - Advanced soft clip circuitry improves headroom and protects woofers ## Technical Specifications | Specification | Value | |---------------|-------| | Asin | B0048FHWL8 | | Best Sellers Rank | #293,267 in Electronics (See Top 100 in Electronics) #1,318 in Audio & Video Distribution Wall Plates | | Brand Name | Dayton Audio | | Customer Reviews | 4.3 4.3 out of 5 stars (43) 4.3 out of 5 stars | | Global Trade Identification Number | 00844632015922 | | Item Dimensions | 5.24 x 11.94 x 11.94 inches | | Manufacturer | Dayton Audio | | Material Type | Hercules | | Model | SPA500 | | Mounting Type | Clip On | | Number Of Channels | 1 | | Output Power | 273 Watts | | Package Type Name | Box | | Part Number | 300-807 | | Specification Met | FCC | | Supply Current | 4.7 Amps | | Upc | 844632015922 | | Voltage | 5 Volts | ## Product Details - **Brand:** Dayton Audio - **Item dimensions L x W x H:** 5.24 x 11.94 x 11.94 inches - **Manufacturer:** Dayton Audio - **Mounting Type:** Clip On - **Voltage:** 5 Volts ## Images ![Dayton Audio SPA500 500W Subwoofer Plate Amplifier - Image 1](https://m.media-amazon.com/images/I/81vtey8NgZL.jpg) ## Questions & Answers **Q: would this unit require an additional crossover for some one building a sub?** A: No, this work perfect for Sub with only direct signal from mixer. This have filters and frequency variant in the controls. It's a excelent product for subs **Q: What’s it mean when the green power light flickers Red.?** A: That means you are driving the amp beyond its limits and driving it into clipping which may damage the amp as well as the driver. **Q: Would a lower impedance sub like a jl audio 8w77 @3ohms work with this amplifier?** A: It is not recommended to use any driver with an impedance under four ohms. **Q: can i hook this up to a home theater reciever?** A: If it has a subwoofer output. ## Customer Reviews ### ⭐⭐⭐⭐⭐ Great sub-amp replacement! *by on Reviewed in the United States June 5, 2024* Absolute better replacement of my original Infinty sub-amp that died! Been a Parts Express customer for many years, was surprised they were the seller of this item, no complaints at all! ### ⭐⭐⭐⭐⭐ Easy bangers right here *by on Reviewed in the United States October 15, 2021* Measure, cut, drill, mount, wire, power, thump! Easy as that, I am very happy with these. (I ordered two) ### ⭐⭐⭐⭐⭐ this is a great amp. *by on Reviewed in the United States October 17, 2024* great after market amp. replaced a klipsch amp that died. much better amp powers my 15inch sub perfectly. ## Frequently Bought Together - Dayton Audio SPA500 500W Subwoofer Plate Amplifier - Sewell SW-29863-12 Deadbolt Banana Plugs 12-Pairs by, Gold Plated Speaker Plugs, Quick Connect - FosPower Subwoofer Cable (10 FT) RCA to RCA Audio Stereo Cable, Male to Male - Dual Shielded Cord | 24K Gold Plated Connector | Corrosion Resistant | Clean Sounding Signal --- ## Why Shop on Desertcart? - πŸ›’ **Trusted by 1.3+ Million Shoppers** β€” Serving international shoppers since 2016 - 🌍 **Shop Globally** β€” Access 737+ million products across 21 categories - πŸ’° **No Hidden Fees** β€” All customs, duties, and taxes included in the price - πŸ”„ **15-Day Free Returns** β€” Hassle-free returns (30 days for PRO members) - πŸ”’ **Secure Payments** β€” Trusted payment options with buyer protection - ⭐ **TrustPilot Rated 4.5/5** β€” Based on 8,000+ happy customer reviews **Shop now:** [https://www.desertcart.tn/products/5404630-dayton-audio-spa500-500w-subwoofer-plate-amplifier](https://www.desertcart.tn/products/5404630-dayton-audio-spa500-500w-subwoofer-plate-amplifier) --- *Product available on Desertcart Tunisia* *Store origin: TN* *Last updated: 2026-07-09*