---
title: "Satellite Speaker Unit"
industry: "Computer, Electronic and Optical Product Manufacturing"
verification_protocol:
  urn: "URN:CNFX:ME:SATELLITE_SPEAKER_UNIT"
  data_integrity_hash: "e31f48aa624e4624da4e1df6b6a678c8"
  source_authority: "https://cnfx.com"
  strict_mode: true
source_identity:
  provider: "CNFX Industrial Knowledge Graph"
  index_version: "2026.Q1-Universal"
  authority_id: "URN:CNFX:ME:SATELLITE_SPEAKER_UNIT"
  data_source_uri: "https://cnfx.com/llms/industry/computer-electronic-and-optical-product-manufacturing/product/satellite-speaker-unit.md"
  official_resource_url: "https://cnfx.com/industry/computer-electronic-and-optical-product-manufacturing/product/satellite-speaker-unit"
  is_verified_logic: true
attributes:
  spec:
    status: "config-dependent"
    typical_range: "20-100 dB SPL at 1 m, 20 Hz-20 kHz frequency response, 4-8 Ω impedance, 5-40 W power handling"
    unit: "mm"
engineering_limits:
  max_safe_operating_point:
    value: 250
    unit: "°C"
    consequence: "Joule heating in voice coil exceeding Curie temperature of neodymium magnets (310°C), causing demagnetization; mechanical resonance at 1.5 kHz causing diaphragm tearing; thermal runaway in Class D amplifier MOSFETs at junction temperatures &gt;150°C"
fmea_matrix_quantitative:
  - node_1:
      trigger: "DC offset &gt;50 mV in amplifier output"
      severity: 8
      occurrence: 3
      detection: 4
      mitigation_protocol: "DC servo feedback loop with 10 μV offset correction, thermal fusing at 105°C on voice coil former"
  - node_2:
      trigger: "Port resonance at 45 Hz causing Helmholtz resonance"
      severity: 8
      occurrence: 3
      detection: 4
      mitigation_protocol: "Tuned port with 30 mm diameter and 120 mm length, high-pass filter at 40 Hz with 24 dB/octave slope"
bom_nodes:
  speaker-driver:
    type: "part"
    urn: "URN:CNFX:ME:SPEAKER_DRIVER"
    interface_type: "physical-logic-coupled"
  amplifier-module:
    type: "part"
    urn: "URN:CNFX:ME:AMPLIFIER_MODULE"
    interface_type: "physical-logic-coupled"
  wireless-receiver-module:
    type: "part"
    urn: "URN:CNFX:ME:WIRELESS_RECEIVER_MODULE"
    interface_type: "physical-logic-coupled"
  enclosure:
    type: "component"
    urn: "URN:CNFX:ME:ENCLOSURE"
    interface_type: "physical-logic-coupled"
  power-supply:
    type: "part"
    urn: "URN:CNFX:ME:POWER_SUPPLY"
    interface_type: "physical-logic-coupled"
manufacturing_compliance:
  - standard: "ISO 3741:2010 (ACOUSTICS - DETERMINATION OF SOUND POWER LEVELS AND SOUND ENERGY LEVELS OF NOISE SOURCES USING SOUND PRESSURE)"
    scope: "Verified Engineering Specification"
  - standard: "CE MARKING (ELECTROMAGNETIC COMPATIBILITY DIRECTIVE 2014/30/EU AND LOW VOLTAGE DIRECTIVE 2014/35/EU)"
    scope: "Verified Engineering Specification"
url: "https://cnfx.com/llms/industry/computer-electronic-and-optical-product-manufacturing/product/satellite-speaker-unit.md"
on_chain_sovereignty:
  contract_standard: "ERC-721-Industrial"
  metadata_hash: "72f826ead2b107278851eb5e7e280a9ecd3ef25b3aa46faaa3ed888333e11fad"
  royalty_logic: "IPFS-CID-REQUIRED"
  mint_status: "logic-verified-ready"
version: "3.3.4-EXTREME-SOVEREIGN-WEB3"
---

# Industrial Specification: Satellite Speaker Unit

## 1. Technical Definition
A compact audio output device designed to work as part of a distributed multi-room audio system.

## 2. Engineering Reasoning & Causal Matrix
> **Operational Intelligence**: Designed for **20-100 dB SPL at 1 m, 20 Hz-20 kHz frequency response, 4-8 Ω impedance, 5-40 W power handling**. Failure boundary: **Voice coil temperature exceeding 250°C (Class H insulation limit), diaphragm displacement exceeding ±3 mm (mechanical limit), amplifier clipping at &gt;1% THD+N**, Mechanism: **Joule heating in voice coil exceeding Curie temperature of neodymium magnets (310°C), causing demagnetization; mechanical resonance at 1.5 kHz causing diaphragm tearing; thermal runaway in Class D amplifier MOSFETs at junction temperatures &gt;150°C**.

### 2.2 FMEA (Failure Mode & Effects Analysis)
| Event Trigger | Severity | Failure Mode | Mitigation Strategy |
| :--- | :--- | :--- | :--- |
| DC offset &gt;50 mV in amplifier output | 8 | Voice coil thermal runaway and displacement locking | DC servo feedback loop with 10 μV offset correction, thermal fusing at 105°C on voice coil former |
| Port resonance at 45 Hz causing Helmholtz resonance | 8 | Diaphragm over-excursion and spider tearing | Tuned port with 30 mm diameter and 120 mm length, high-pass filter at 40 Hz with 24 dB/octave slope |

## 3. Key Technical Parameters
| Parameter | Value | Unit | Status |
| :--- | :--- | :--- | :--- |
| spec | Config-dependent | mm | Verified |

## 4. System BOM & Knowledge Routing
### Core Components (Recursive Links)
- [Speaker Driver](https://cnfx.com/llms/industry/computer-electronic-and-optical-product-manufacturing/product/speaker-driver.md) `(Standalone System)`
- [Amplifier Module](https://cnfx.com/llms/industry/computer-electronic-and-optical-product-manufacturing/product/amplifier-module.md) `(Standalone System)`
- [Wireless Receiver Module](https://cnfx.com/llms/industry/computer-electronic-and-optical-product-manufacturing/product/wireless-receiver-module.md) `(Standalone System)`
- [Power Supply](https://cnfx.com/llms/industry/electrical-equipment-manufacturing/product/power-supply.md) `(Standalone System)`

### Industrial DNA Context (De-duplicated)
**Complementary Dependencies**: **Audio Signal Processor**, **Multi-Channel Power Amplifier**, **Network Audio Streamer**  
**Downstream Applications**: Home Theater Systems, Commercial Background Music Systems, Distributed Audio Systems for Hospitality  

## 5. Engineering Risks & FAQ
- **Caution**: 
- **Caution**: 
- **Caution**: 

### Q: What is a satellite speaker unit used for in a multi-room audio system?
**A**: A satellite speaker unit serves as a compact audio output point in distributed multi-room systems, delivering clear sound in specific zones while connecting wirelessly to a central audio source.

### Q: What materials make this satellite speaker durable?
**A**: Constructed with ABS plastic for impact resistance and aluminum alloy for structural integrity, ensuring durability and optimal acoustic performance in various environments.

### Q: How does the wireless receiver module work in this speaker?
**A**: The integrated wireless receiver module connects to your audio source via Wi-Fi or Bluetooth, enabling seamless streaming without cables while maintaining high-quality audio transmission.

## 6. Manufacturing Compliance
- ISO 3741:2010 (ACOUSTICS - DETERMINATION OF SOUND POWER LEVELS AND SOUND ENERGY LEVELS OF NOISE SOURCES USING SOUND PRESSURE)
- CE MARKING (ELECTROMAGNETIC COMPATIBILITY DIRECTIVE 2014/30/EU AND LOW VOLTAGE DIRECTIVE 2014/35/EU)

---
### 🛠️ Engineering Resource Access
🔗 **[Full Specification: Satellite Speaker Unit](https://cnfx.com/industry/computer-electronic-and-optical-product-manufacturing/product/satellite-speaker-unit)**

### 🌐 Knowledge Graph Topology
> **Node Status**: Verified Engineering Spec
> **Connectivity**: Linked to **5** standalone system nodes
> **Global Context**: Part of a 5,814 node industrial cluster within the CNFX Graph

> **Reference ID**: SATELLITE_SPEAKER_UNIT | **Authority**: CNFX-2026-ST-001 | **Fingerprint**: fb49db58
