40mm 3W Square Bluetooth Internal Magnetic Speaker
$8.86
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Compact 40mm square internal magnetic speaker with 3W rated power and 4Ω impedance.
- Full frequency range 0-20KHz
- High sensitivity 94dB/W
- Designed for Bluetooth devices and walkie-talkies
999 in stock
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Estimated Delivery Time3–7 business days
Reliable Sound Performance
Experience clear audio with this 40mm square internal magnetic speaker designed for Bluetooth and wireless smart devices. It delivers a full frequency range from 0 to 20 kHz, with a rated power of 3 watts and an impedance of 4 ohms, ensuring rich, balanced sound in compact applications.
Precision Engineering for Stability
Featuring an internal magnet design, this speaker minimizes magnetic interference and leakage, protecting audio quality. It boasts low internal resistance and high sensitivity at 94 dB/W, maintaining sound fidelity even in challenging environments.
- Minimal external magnetic interference
- High sensitivity and low magnetic leakage
- Stable performance with 16 core construction
Durability and Compatibility
Built to endure with rigorous high-intensity low-temperature cycling tests, this speaker thrives in diverse settings. It's ideal for integration into Bluetooth speakers, walkie-talkies, and related wireless audio systems requiring reliable internal components.
- Tested under demanding conditions
- Compatible with 4Ω 3W amplifiers
- Versatile use in wireless communication devices
Compact Dimensions for Easy Integration
Measuring 40mm in diameter and 20mm in height, this pot-bottom cap speaker fits neatly within small audio modules. The plastic cabinet offers lightweight protection without adding bulk, making it suitable for replacing or upgrading internal components.
Key specifications
- Rated Power: 3W
- Impedance: 4Ω
- Frequency Range: 0~20KHz
- Sensitivity: 94 dB/W
- Dimensions: φ40mm x 20mm
- Drive Voltage: 3.4-4.4V
- Magnetic Circuit: Internal magnet
- Cabinet Material: Plastic
What's in the box
- Internal magnetic speaker ×1
Product FAQ
Frequently asked questions
01 What is the rated power output of this speaker?
This speaker has a rated power output of 3 watts.
02 What impedance does this speaker have?
The speaker has an impedance of 4 ohms.
03 What is the frequency response range?
It covers a frequency range from 0 to 20,000 Hz.
04 Is this speaker suitable for Bluetooth devices?
Yes, it is designed to work with Bluetooth speakers as well as walkie-talkies and similar devices.
05 What type of magnetic circuit does this speaker use?
It uses an internal magnet type magnetic circuit.
06 What are the dimensions of this speaker?
The speaker measures 40mm in diameter and 20mm in height.
07 Does the speaker have high sensitivity?
Yes, it features a sensitivity of 94 dB per Watt.
08 Can this speaker resist external magnetic interference?
Yes, it has minimal susceptibility to external magnetic interference and low magnetic leakage.
09 Is the speaker tested for durability?
It has passed rigorous high-intensity low-temperature cycling tests.
10 What materials are used in the speaker cabinet?
The cabinet material is plastic.
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