---
title: "SONUS"
id: 35655
type: "document"
slug: "sonus"
url: "http://localhost/document/sonus/"
markdown_url: "http://localhost/document/sonus.md"
published_at: "2021-01-11T03:26:05+00:00"
modified_at: "2026-03-15T17:29:59+00:00"
author: "David Anderson"
featured_image:
  url: "http://localhost/wp-content/uploads/2022/04/20230809-041332.jpg"
excerpt: "Product sheet for SONUS, BASICare's sound and music expansion module for the ZX-81, enabling multi-voice sound output beyond the ZX-81's built-in beeper."
category:
  - name: "Documentation"
    slug: "documentation"
    taxonomy: "category"
    url: "http://localhost/category/documentation/"
post_tag:
  - name: "BASICare Microsystems"
    slug: "basicare-microsystems"
    taxonomy: "post_tag"
    url: "http://localhost/tag/basicare-microsystems/"
  - name: "TS 1000"
    slug: "ts1000"
    taxonomy: "post_tag"
    url: "http://localhost/tag/ts1000/"
model:
  - name: "Timex/Sinclair 1000"
    slug: "ts-1000"
    taxonomy: "model"
    url: "http://localhost/model/ts-1000/"
document_url: "https://archive.org/details/basicare/ZX81_Basicare_Sonus"
pages: 6
document_date: "198x"
related_content:
  - id: 35121
    title: "SONUS"
    type: "product"
    url: "http://localhost/product/sonus/"
  - id: 10676
    title: "BASICare Microsystems, Inc."
    type: "company"
    url: "http://localhost/company/basicare-microsystems/"
  - id: 11884
    title: "BASICare Modular Expansion System"
    type: "product"
    url: "http://localhost/product/basicare-modular-expansion-system/"
---

# SONUS

Product sheet for SONUS, BASICare’s sound and music expansion module for the ZX-81, enabling multi-voice sound output beyond the ZX-81’s built-in beeper.