S.M.S.L AL400-W Av Receiver
- AV Receiver
An AV receiver from S.M.S.L's AL400-W line; the listing does not publish power, channel or connectivity specifics, so confirm those details before purchase.
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How it ranks among the 79 av receivers we track
4.2★ across 16 Amazon ratings, Bayesian-smoothed toward the category average.
16 Amazon ratings, weighted on a log scale so huge counts don't drown everything.
Modest tracked demand last month.
Brand identity, imagery, description and spec coverage.
The ProductDome score is separate from the Amazon rating shown above: it combines the Bayesian-smoothed Amazon rating with evidence volume, tracked demand, and data quality across the 79 av receivers we track - how the scorecard works · full av receivers data report. Confidence: limited - limited rating history.Last refreshed Aug 4, 2026. Data-computed, not a hands-on test. Compiled by the ProductDome Research Team.
Overview
The S.M.S.L AL400-W is an AV receiver, the component that switches audio and video sources and drives connected speakers in a home theater setup. Amazon lists it with 16 ratings averaging 4.2 out of 5, though no detailed specifications are published for this listing.
S.M.S.L is better known for standalone audio gear such as DACs and amplifiers, and the AL400-W name follows that pattern into a receiver format. Without published specs for power output, channel count or input options, buyers should check S.M.S.L's own documentation or the listing itself before comparing it against receivers that publish full spec sheets.
- AV receiver format
- S.M.S.L AL400-W model
- 16 ratings at 4.2 average
- Limited published specifications
Who it's for
May suit S.M.S.L customers already familiar with the brand's audio lineup who want a receiver from the same maker. Less useful for shoppers who want to compare power output, channel count or connectivity against other receivers before buying, since those figures are not listed.
Strengths and trade-offs
Drawn from this product's published specifications.
- From S.M.S.L, a maker known for dedicated audio gear
- No published power, channel or connectivity specs
- Little data available to compare against other receivers
Performance notes
An AV receiver's job is to accept multiple audio and video sources, switch between them, and power a connected speaker set. How well the AL400-W does that depends on power output and channel configuration that are not detailed in this listing, so real-world performance is not something the available data can speak to.
Specifications
| Brand | S.M.S.L |
|---|---|
| Model | AL400-W |
How it compares
This product against the closest alternatives we track in av receivers.
| Product | Amazon rating | Ratings | ProductDome score |
|---|---|---|---|
| S.M.S.L AL400-W Av ReceiverThis product | 4.2 / 5 | 16 | 2.7 / 5 |
| Pyle PWA15BT Av ReceiverPyle | 4.4 / 5 | 1,600 | 4.1 / 5 |
| Sony STR-DH790 Av ReceiverSony | 4.3 / 5 | 3,000 | 3.8 / 5 |
| Diprogress DPT210HA Av ReceiverDiprogress | 4.3 / 5 | 1,600 | 3.7 / 5 |
| International MOBILE WALLY Av ReceiverInternational | 4.3 / 5 | 984 | 3.7 / 5 |
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Questions about the S.M.S.L AL400-W
Common buyer questions answered straight from the product spec data - no fluff, no "it depends".
What type of product is the S.M.S.L AL400-W?
It is an AV receiver, sold under S.M.S.L's AL400-W model designation.
What are the power and channel specs of the S.M.S.L AL400-W?
The listing does not publish detailed power output or channel count for this model.
How is the S.M.S.L AL400-W rated?
It carries a 4.2 out of 5 average across 16 ratings.