| Description | Notes | |
|---|---|---|
| EN | Stereo 2.1 | Stereo plus low-frequency channel |
| FR | Stéréo 2.1 | Stéréo plus chaînes à basse fréquence |
| ES | Estéreo 2.1 | Estéreo, más un canal para graves («subwoofer») |
List 175 · Product form detail
A421 — Stereo 2.1
<?xml version="1.0" encoding="UTF-8"?>
<Product xmlns="http://ns.editeur.org/onix/3.0/reference">
<DescriptiveDetail>
<ProductFormDetail>A421</ProductFormDetail>
</DescriptiveDetail>
</Product>- Introduced in Issue 29