PUI Audio 4 Ω 3 W Miniature Speaker 40 mm Dia. 18.3 mm, 40mm
- RS Stock No.:
- 276-821
- Mfr. Part No.:
- AS04004PR-R
- Brand:
- PUI Audio
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- RS Stock No.:
- 276-821
- Mfr. Part No.:
- AS04004PR-R
- Brand:
- PUI Audio
Specifications
Technical Reference
Legislation and Compliance
Product Details
Find similar products by selecting one or more attributes.
Select all | Attribute | Value |
|---|---|---|
| Brand | PUI Audio | |
| Coil Resistance | 4Ω | |
| Product Type | Miniature Speaker | |
| Sub Type | High Fidelity Audio Reproduction | |
| Sound Level | 86dBA | |
| Rated Power | 3W | |
| Cone Material | Paper | |
| Frequency | 180Hz | |
| Impedance | 4Ω | |
| Diameter | 40mm | |
| Height | 18.3mm | |
| Width | 40mm | |
| Length | 40mm | |
| Standards/Approvals | RoHS 2011, REACH, EU | |
| Select all | ||
|---|---|---|
Brand PUI Audio | ||
Coil Resistance 4Ω | ||
Product Type Miniature Speaker | ||
Sub Type High Fidelity Audio Reproduction | ||
Sound Level 86dBA | ||
Rated Power 3W | ||
Cone Material Paper | ||
Frequency 180Hz | ||
Impedance 4Ω | ||
Diameter 40mm | ||
Height 18.3mm | ||
Width 40mm | ||
Length 40mm | ||
Standards/Approvals RoHS 2011, REACH, EU | ||
- COO (Country of Origin):
- CN
PUI Audio Miniature Speaker, 40mm Diameter, 3W Rated Power - AS04004PR-R
This miniature loudspeaker delivers Compact audio reproduction for industrial and electronic applications. It is designed to provide clear acoustic output from a small form factor, suitable for integration into control panels, instruments and Compact enclosures where space is restricted. The driver is built for consistent acoustic behaviour across typical monitoring and alerting situations.
Features and Benefits:
• 4Ω impedance for predictable drive current and matching
• 3W rated power for usable output in Compact systems
• 86dBA sensitivity enabling audible alerts at short range
• Paper cone for natural midrange reproduction and clarity
• 20kHz upper frequency response for wideband audio content
• Low-profile 18.3mm height for slim installation spaces
• 3W rated power for usable output in Compact systems
• 86dBA sensitivity enabling audible alerts at short range
• Paper cone for natural midrange reproduction and clarity
• 20kHz upper frequency response for wideband audio content
• Low-profile 18.3mm height for slim installation spaces
Applications
• Suitable for audible alarms in factory automation panels
• Ideal for signal tones in embedded electronic instruments
• Used with control cabinets requiring Compact alerting solutions
• Can be used for user‑interface feedback in handheld devices
• Used for prototype audio testing in electrical engineering projects
• Ideal for signal tones in embedded electronic instruments
• Used with control cabinets requiring Compact alerting solutions
• Can be used for user‑interface feedback in handheld devices
• Used for prototype audio testing in electrical engineering projects
What drive requirements should I plan for?
Expect a 4Ω load, provide an amplifier or driver capable of delivering up to 3W without exceeding thermal limits to preserve longevity.
How does the transducer behave across frequency?
It reproduces up to 20kHz, offering full audible bandwidth and preserving high‑frequency content for clear alerts and tones.
What should be considered for mounting in enclosures?
Allow secure fixation while maintaining a minimal Air gap at the rear to avoid impedance shifts, ensure front baffle sealing for consistent acoustic output.
Are there environmental compliance standards relevant to procurement?
The unit meets RoHS and REACH regulations applicable to material restrictions and chemical‑substance reporting.
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