--- product_id: 809889377 title: "SMSL AL400 All-in-One Hi-Fi Decoder/Preamp/Phono Power Amp TPA3255 amp & CS43141 dac chip Full MQA, MM & MC Cartridge HDMI(eARC),for TV Home theater Subwoofer Desktop Bookshelf passive speakers(Black)" brand: "s.m.s.l" price: "€ 605.43" currency: EUR in_stock: true category: "S.M.S.L" url: https://www.desertcart.at/products/809889377-smsl-al400-all-in-one-hi-fi-decoder-preamp-phono store_origin: AT region: Austria --- # Full MQA, DSD256 & 32bit/768kHz lossless decoding 85W x 2 powerful low-distortion amp Multi-interface: RCA, Bluetooth, USB, Optical, Coaxial, HDMI(eARC) SMSL AL400 All-in-One Hi-Fi Decoder/Preamp/Phono Power Amp TPA3255 amp & CS43141 dac chip Full MQA, MM & MC Cartridge HDMI(eARC),for TV Home theater Subwoofer Desktop Bookshelf passive speakers(Black) **Brand:** s.m.s.l **Price:** € 605.43 **Availability:** ✅ In Stock ## Summary > 🎶 Elevate your home audio game — all your sound needs, decoded and amplified flawlessly. ## Quick Answers - **What is this?** SMSL AL400 All-in-One Hi-Fi Decoder/Preamp/Phono Power Amp TPA3255 amp & CS43141 dac chip Full MQA, MM & MC Cartridge HDMI(eARC),for TV Home theater Subwoofer Desktop Bookshelf passive speakers(Black) by s.m.s.l - **How much does it cost?** € 605.43 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.at](https://www.desertcart.at/products/809889377-smsl-al400-all-in-one-hi-fi-decoder-preamp-phono) ## Best For - s.m.s.l enthusiasts ## Why This Product - Trusted s.m.s.l brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Tailor Your Soundstage:** 3-band EQ, phase adjustment, and selectable low-pass filters let you customize audio to your exact taste. - • **Universal Connectivity:** Effortlessly connect turntables, TVs, subwoofers, and more via Bluetooth, HDMI(eARC), USB, and traditional inputs. - • **All-in-One Audio Powerhouse:** Decoder, MM/MC phono preamp & amplifier seamlessly combined for ultimate convenience. - • **Dynamic & Clean Amplification:** 85W per channel with ultra-low distortion (THD+N 0.003%) drives your speakers with crystal-clear power. - • **Audiophile-Grade Sound Clarity:** Experience pristine, near-master quality audio with full MQA and high-res decoding support. ## Overview The SMSL AL400 is a sleek, black all-in-one Hi-Fi decoder, preamp, and power amplifier featuring the TPA3255 amp and CS43141 DAC chip. It supports full MQA, DSD256, and 32bit/768kHz PCM lossless decoding for audiophile-grade sound. With 85W x 2 output power at ultra-low distortion, a professional 3-band equalizer, phase control, and multiple low-pass filters, it offers precise sound customization. Its versatile connectivity includes RCA, Bluetooth, USB, optical, coaxial, and HDMI(eARC), making it perfect for turntables, TVs, subwoofers, and passive speakers in any modern home theater or desktop setup. ## Description desertcart.com: SMSL AL400 All-in-One Hi-Fi Decoder/Preamp/Phono Power Amp TPA3255 amp & CS43141 dac chip Full MQA, MM & MC Cartridge HDMI(eARC),for TV Home theater Subwoofer Desktop Bookshelf passive speakers(Black) : Industrial & Scientific ## Features - Three-in-one: The AL400 integrates a decoder, MM/MC phono preamp, and power amplifier into one unit. It can be directly connected to a turntable and synchronized with a TV via eARC (eARC). - Lossless Decoding: The SMSL AL400 supports full MQA-CD decoding, DSD256, and PCM 32bit/768kHz decoding. It preserves high-resolution audio details, delivering near-original master sound quality. - Powerful Low-Distortion Amplification: Equipped with a TPA3255 chip, it delivers 85W x 2 power output (THD+N 0.003%) at 8Ω load. Drives bookshelf/floorstanding speakers for dynamic, noise-free audio. - Professional Equalizer and Soundstage Tuning: A 3-band equalizer (adjustable frequency, gain, and Q value), 0-180° phase adjustment, and 4 selectable low-pass filters. The sound can be fine-tuned according to speakers and personal preferences. - Multi-functional interfaces: The AL400 is equipped with RCA, Bluetooth, USB, optical, coaxial, phono amplifier and HDMI (eARC) interfaces, supporting universal connectivity and lossless audio transmission, allowing you to easily connect any audio device. ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B0GJSS36F9 | | Audio Output Mode | Stereo, Surround | | Audio Output Type | Bluetooth, Optical, RCA, Speakers | | Best Sellers Rank | #116,837 in Electronics ( See Top 100 in Electronics ) #14 in Home Audio Phono Preamps | | Brand | S.M.S.L | | Built-In Media | remote control | | Color | Black | | Compatible Devices | Speaker, Tablet, Personal Computer, Television, Amplifier, Smartphone, Game Console | | Connectivity Technology | RCA, USB, optical, coaxial, HDMI | | Connector Type | RCA, USB, Optical, Coaxial, HDMI | | Controller Type | TV Remote, Bluetooth | | Customer Reviews | 4.2 4.2 out of 5 stars (11) | | Manufacturer | S.M.S.L | | Mfr Part Number | AL400 | | Model Number | B0GJSS36F9 | | Number of Channels | 7 | | Number of Items | 1 | | Other Special Features of the Product | eARC | | Output Power | 85 watts | | Output Wattage | 85 watts | | Surround Sound Channel Configuration | 5.1 | | Total Number of HDMI Ports | 1 | | Video Encoding | H.264, H.265/HEVC | | Wireless Technology | Bluetooth | ## Product Details - **Audio Output Mode:** Stereo, Surround - **Brand:** S.M.S.L - **Compatible Devices:** Speaker, Tablet, Personal Computer, Television, Amplifier, Smartphone, Game Console - **Connectivity Technology:** RCA, USB, optical, coaxial, HDMI - **Connector Type:** RCA, USB, Optical, Coaxial, HDMI - **Controller Type:** TV Remote, Bluetooth - **Special Feature:** eARC - **Surround Sound Channel Configuration:** 5.1 - **Total HDMI Ports:** 1 - **Video encoding:** H.264, H.265/HEVC ## Images ![SMSL AL400 All-in-One Hi-Fi Decoder/Preamp/Phono Power Amp TPA3255 amp & CS43141 dac chip Full MQA, MM & MC Cartridge HDMI(eARC),for TV Home theater Subwoofer Desktop Bookshelf passive speakers(Black) - Image 1](https://m.media-amazon.com/images/I/41We48HPvJL.jpg) ![SMSL AL400 All-in-One Hi-Fi Decoder/Preamp/Phono Power Amp TPA3255 amp & CS43141 dac chip Full MQA, MM & MC Cartridge HDMI(eARC),for TV Home theater Subwoofer Desktop Bookshelf passive speakers(Black) - Image 2](https://m.media-amazon.com/images/I/51QfjbXsS2L.jpg) ![SMSL AL400 All-in-One Hi-Fi Decoder/Preamp/Phono Power Amp TPA3255 amp & CS43141 dac chip Full MQA, MM & MC Cartridge HDMI(eARC),for TV Home theater Subwoofer Desktop Bookshelf passive speakers(Black) - Image 3](https://m.media-amazon.com/images/I/61n7d8Y+gHL.jpg) ![SMSL AL400 All-in-One Hi-Fi Decoder/Preamp/Phono Power Amp TPA3255 amp & CS43141 dac chip Full MQA, MM & MC Cartridge HDMI(eARC),for TV Home theater Subwoofer Desktop Bookshelf passive speakers(Black) - Image 4](https://m.media-amazon.com/images/I/615Gcku9oaL.jpg) ![SMSL AL400 All-in-One Hi-Fi Decoder/Preamp/Phono Power Amp TPA3255 amp & CS43141 dac chip Full MQA, MM & MC Cartridge HDMI(eARC),for TV Home theater Subwoofer Desktop Bookshelf passive speakers(Black) - Image 5](https://m.media-amazon.com/images/I/61fTV8F99eL.jpg) ## Available Options This product comes in different **Color** options. --- ## 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.at/products/809889377-smsl-al400-all-in-one-hi-fi-decoder-preamp-phono](https://www.desertcart.at/products/809889377-smsl-al400-all-in-one-hi-fi-decoder-preamp-phono) --- *Product available on Desertcart Austria* *Store origin: AT* *Last updated: 2026-08-25*