--- product_id: 19913179 title: "SMSL A2 40WPC TDA7492 Class D HiFi Stereo Digital Power Amplifier Subwoofer EQ black" brand: "pudoo" price: "FREE" currency: TND in_stock: false reviews_count: 1 category: "Electronics" url: https://www.desertcart.tn/products/19913179-smsl-a2-40wpc-tda7492-class-d-hifi-stereo-digital-power store_origin: TN region: Tunisia --- # SMSL A2 40WPC TDA7492 Class D HiFi Stereo Digital Power Amplifier Subwoofer EQ black **Brand:** pudoo **Price:** FREE **Availability:** ❌ Out of Stock ## Quick Answers - **What is this?** SMSL A2 40WPC TDA7492 Class D HiFi Stereo Digital Power Amplifier Subwoofer EQ black by pudoo - **How much does it cost?** FREE with free shipping - **Is it available?** Currently out of stock - **Where can I buy it?** [www.desertcart.tn](https://www.desertcart.tn/products/19913179-smsl-a2-40wpc-tda7492-class-d-hifi-stereo-digital-power) ## Best For - pudoo enthusiasts ## Why This Product - Trusted pudoo brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Description SMSL A2 is based on STMicroelectronics (ST) The TDA7492 as the core, the use of the EPCOS · Panasonic · nichicon · ST · TI · BI · TDK and other senior fever accessories refined, high-quality digital amplifier. Advanced aluminum enclosure, drawing oxidation process, laser engraving silk screen and other technology. SMSL A2 is 40w X 2 stereo digital power amplifier to meet the needs of most users listening. Bass signal output A2 can see a large external active subwoofer more shocking. Along with 2-way switch signal input with memory function, avoid frequent plugging multiple sets of audio signal line trouble. Further A2 electronic volume control and dynamic balance to enhance the quality. Features: Support 2 inputs, RCA input jack and 3.5MM headphone jack input. Flexible and easy to connect with all the latest audio equipment, computer / cell phone / player and so on; input with memory function, human-computer science to design a multi-functional machine use. MCU control, easy to understand .MCU work status of the machine according to real-time monitoring and protection 360 degree rotating electronic volume control The bass signal output, you can connect with active speakers Support EQ bass and treble adjustment. Specifications: Output Power Output Power: 40W + 40W (4 OHM) THD + N distortion: <0.05% SNR SNR:> 90dB Crosstalk Crosstalk: <-90dB (1KHz) Frequency Response Frequency Range: 20Hz - 20kHz (± 3dB) Power Charging Power Supply: DC19V Speaker Impedance speaker impedance matches: 3 OHM - 16 OHM Weight: 1 kg Dimension: 14.8 x 9.7 x 3.2 cm Package: 1 x A2 Unit 1 x User Manual 1 x Power Adapter ## Features - MCU control, easy to understand - Support EQ bass and treble adjustment. - 360 degree rotating electronic volume control - Support RCA input jack, 3.5MM headphone jack input ## Images ![SMSL A2 40WPC TDA7492 Class D HiFi Stereo Digital Power Amplifier Subwoofer EQ black - Image 1](https://m.media-amazon.com/images/I/41KeLZiZuLL.jpg) ![SMSL A2 40WPC TDA7492 Class D HiFi Stereo Digital Power Amplifier Subwoofer EQ black - Image 2](https://m.media-amazon.com/images/I/41JHYkN-kbL.jpg) ![SMSL A2 40WPC TDA7492 Class D HiFi Stereo Digital Power Amplifier Subwoofer EQ black - Image 3](https://m.media-amazon.com/images/I/41Z79I1ioYL.jpg) ![SMSL A2 40WPC TDA7492 Class D HiFi Stereo Digital Power Amplifier Subwoofer EQ black - Image 4](https://m.media-amazon.com/images/I/515oyobKlCL._SL500_.jpg) ## Customer Reviews ### ⭐⭐⭐ Amazon removes negative reviews. *by A***A on Reviewed in the United States on December 23, 2015* I purchased this in November and the unit was DOA. My original review was 1 star and I leave it at that. Construction appeared solid but the were no real directions on how to switch modes/use the item (if it had worked). I upgraded the overall review to 3 Stars because Shenzhen has a good Customer Service department and promptly issued a refund. --- ## 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.tn/products/19913179-smsl-a2-40wpc-tda7492-class-d-hifi-stereo-digital-power](https://www.desertcart.tn/products/19913179-smsl-a2-40wpc-tda7492-class-d-hifi-stereo-digital-power) --- *Product available on Desertcart Tunisia* *Store origin: TN* *Last updated: 2026-06-01*