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(Silver)
Compatible Devices Speaker, Tablet, Personal Computer, Television, Amplifier, Smartphone, Game Console
+
+
Overview
Specs
Reviews
Any questions? Our AI beta will help you find out quickly.
Try me now
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 8 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.
Learn more about the Detailed Specifications
Additional Information
First Listed on Newegg
April 30, 2026
There are no reviews yet.
Do you own this product?
Warranty & Returns
Warranty, Returns, And Additional Information
Warranty
Please contact the Seller directly for warranty information. Warranty information may also be found on the Manufacturer's website.