arcam-fmj
A python library for speaking to Arcam receivers
Decision gist · record as of 2026-08-14
Yes, if you own an Arcam FMJ receiver or compatible processor and need network control. Low install friction, active maintenance, permissive license, and no known vulnerabilities make it a safe choice. The async design fits well into Home Assistant and other event-driven systems. Not relevant for non-Arcam audio hardware.AI-flagged interpretation of the facts on this page — verify before relying
Before you install
- Requires Python 3.11 or later; target Arcam device must be reachable on the specified host and port.
- Low friction: pure Python wheel with three lightweight async dependencies (aiohttp, attrs, defusedxml).
- Active maintenance with recent commits; last release 134 days ago.
License · maintenance · safety
MIT (permissive) — MIT license permits unrestricted use, modification, and distribution with minimal attribution requirement.
last release 2026-04-02 (134 days) · last repo commit 2026-08-04 · 12 stars
0 known vulnerabilities (OSV.dev, 2026-08-14) · 74,847 downloads/mo, #14,783 on PyPI
Alternatives
Verify before relying
import asyncio
from arcam_fmj import Client, ClientContext, State, SourceCodes
async def run():
client = Client('192.168.0.2', '50000')
async with ClientContext(client):
state = State(client, 1)
await state.set_volume(50)
await state.set_source(SourceCodes.PVR)
asyncio.run(run())- Whether JBL and AudioControl processor support is feature-complete or limited to a subset of operations.
- Whether the CLI utility (arcam-fmj) requires additional system dependencies beyond the Python runtime.
What it is and what it does
arcam-fmj is an async Python library for controlling Arcam FMJ audio receivers and compatible processors (JBL, AudioControl) over a network connection. It was built primarily for Home Assistant integration but works as a standalone library. The package provides both a programmatic API (using aiohttp for async network communication) and a command-line utility for direct device control.
The library handles the low-level protocol for setting receiver state—volume, source selection, and other parameters—across network zones. It depends on aiohttp for async HTTP requests, attrs for data structures, and defusedxml for safe XML parsing. The code is actively maintained, requires Python 3.11 or later, and carries an MIT license with no known security vulnerabilities.
Use it for
- Integrate Arcam FMJ receiver control into Home Assistant automation workflows.
- Build custom audio system dashboards that adjust volume and source selection over the network.
- Script one-time or scheduled receiver configuration changes via the CLI utility.
- Monitor and control multi-zone audio setups programmatically in async applications.
Worth the install?
AI-flagged interpretation of the facts on this page. Verify before relying on it.
Yes, if you own an Arcam FMJ receiver or compatible processor and need network control.
Low install friction, active maintenance, permissive license, and no known vulnerabilities make it a safe choice. The async design fits well into Home Assistant and other event-driven systems. Not relevant for non-Arcam audio hardware.
Install
arcam-fmj on PyPI
Before you install
Low friction: pure Python wheel with three lightweight async dependencies (aiohttp, attrs, defusedxml). Active maintenance with recent commits; last release 134 days ago.
Requires Python 3.11 or later; target Arcam device must be reachable on the specified host and port.
License in practice
MIT license permits unrestricted use, modification, and distribution with minimal attribution requirement.
Quickstart
import asyncio
from arcam_fmj import Client, ClientContext, State, SourceCodes
async def run():
client = Client('192.168.0.2', '50000')
async with ClientContext(client):
state = State(client, 1)
await state.set_volume(50)
await state.set_source(SourceCodes.PVR)
asyncio.run(run())Verify before relying
- Whether JBL and AudioControl processor support is feature-complete or limited to a subset of operations.
- Whether the CLI utility (arcam-fmj) requires additional system dependencies beyond the Python runtime.
Package facts
| License | MIT permissive |
| Python support | Supports the current Python release >=3.11 |
| Install friction | Low. Pure-Python wheel |
| Runtime dependencies | 3 packagesaiohttpattrsdefusedxml |
| Maintenance | Actively maintained 134 days since the last release |
| Last repo commit | |
| First released | |
| Downloads | 74,847 / month, #14,783 on PyPI 30-day window, as of 2026-08-14 |
| Known vulnerabilities | None known OSV.dev, checked 2026-08-14 |
| Classifiers | Development Status :: 4 - BetaEnvironment :: ConsoleEnvironment :: PluginsFramework :: AsyncIO |
Evidence: arcam_fmj-2.1.1-py3-none-any.whl
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