---
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: "6914 kr"
currency: NOK
in_stock: true
category: "S.M.S.L"
url: https://www.desertcart.no/products/809889377-smsl-al400-all-in-one-hi-fi-decoder-preamp-phono
store_origin: NO
region: Norway
---

# Full MQA, DSD256 & 32bit/768kHz DAC 85W x 2 TPA3255 amp power Multi-interface: HDMI eARC, Bluetooth, RCA 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:** 6914 kr
**Availability:** ✅ In Stock

## Summary

> 🎶 Elevate your home audio game — all your sound needs, decoded and amplified!

## 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?** 6914 kr with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.no](https://www.desertcart.no/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 & 4 low-pass filters let you customize audio to your exact taste.
- • **Master-Grade Sound Clarity:** Supports full MQA, DSD256 & 32bit/768kHz PCM for pristine, lossless audio fidelity.
- • **Universal Connectivity Hub:** RCA, USB, optical, coaxial, Bluetooth & HDMI eARC ensure effortless connection to all your devices.
- • **All-in-One Audio Powerhouse:** Decoder, MM/MC phono preamp & amplifier seamlessly combined for ultimate convenience.
- • **Dynamic, Low-Distortion Amplification:** 85W x 2 output with ultra-low THD+N (0.003%) drives your speakers with crystal-clear power.

## Overview

The SMSL AL400 is a sleek, black all-in-one Hi-Fi decoder, preamp, and power amplifier featuring a TPA3255 chip delivering 85W x 2 output with ultra-low distortion. It supports full MQA, DSD256, and 32bit/768kHz PCM decoding via the CS43141 DAC chip, ensuring master-quality sound. With versatile connectivity including HDMI eARC, Bluetooth, RCA, USB, optical, and coaxial inputs, plus a professional 3-band equalizer and phase tuning, it’s designed to power and refine your TV, turntable, and bookshelf or floorstanding speakers for an immersive home theater or desktop audio experience.

## 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 | #87,699 in Electronics ( See Top 100 in Electronics ) #11 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 | 4.0 out of 5 stars 17 Reviews |
| 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 |
| Software Update Supported to Date | unknown |
| Special Feature | eARC |
| Surround Sound Channel Configuration | 5.1 |
| Total HDMI Ports | 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)

## Available Options

This product comes in different **Color** options.

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*Product available on Desertcart Norway*
*Store origin: NO*
*Last updated: 2026-10-27*