4 Ohm 5W 40mm Internal Magnetic Horn Full Range Speaker

5.0 Β· 1 reviews
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Compact 40mm internal magnetic horn speaker with 4Ξ© resistance and 5W max power. Full-range sound suitable for Bluetooth audio and walkie talkies.

99532 in stock

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Estimated Delivery Time3–7 business days

Compact and Durable Design

This 40mm internal magnetic horn speaker delivers reliable full-range audio performance in a compact size, perfect for DIY audio projects like Bluetooth speakers and walkie talkies.

Its plastic cabinet and internal magnetic circuit ensure durability and minimize magnetic interference, enhancing sound clarity.

High Sensitivity and Low Resistance

Designed with a low internal resistance of 4Ξ©, this speaker offers a high sensitivity of 94 dB/W, resulting in efficient power usage and clear sound output.

  • Rated power: 3W
  • Maximum power: 5W
  • Sensitivity: 94 dB/W
  • Resistance: 4Ξ©

Wide Frequency Response

The speaker covers a wide frequency range from 0 to 20 kHz, allowing for accurate reproduction of both lows and highs, suitable for various audio applications.

Robust Magnetic Circuit

The internal magnetic circuit design reduces the risk of external magnetic field interference and prevents magnetic leakage for improved audio fidelity.

This also permits the speaker to withstand high-intensity low-temperature cycling tests, ensuring long-term performance.

Versatile Audio Usage

Ideal for use in walkie talkies, Bluetooth speakers, and other portable audio devices, this speaker integrates seamlessly with DIY electronics requiring compact, full-range sound.

Key specifications

  • Product Name: 40mm Internal Magnetic Horn Speaker
  • Driving Voltage: 3.4 – 4.4 V
  • Magnetic Circuit Type: Internal Magnetic
  • Speaker Type: Pot Bottom Cap Horn
  • Rated Power: 3 W
  • Maximum Power: 5 W
  • Resistance: 4 Ξ©
  • Sensitivity: 94 dB/W
  • Frequency Range: 0 – 20 kHz
  • Size: Diameter 40 mm, Height 20 mm
  • Material: Plastic Cabinet

What's in the box

  • Internal magnetic horn speaker Γ— 1
Product FAQ

Frequently asked questions

01 What is the rated power of this speaker?

The speaker has a rated power of 3 watts and a maximum power capacity of 5 watts.

02 What resistance does the speaker have?

This speaker features a resistance of 4 ohms.

03 Is this speaker suitable for Bluetooth devices?

Yes, it is compatible and suitable for DIY Bluetooth speakers.

04 What frequency range does this speaker support?

It supports a broad frequency range from 0 to 20 kHz.

05 What is the size of the speaker?

The speaker diameter is 40 mm with a height of 20 mm.

06 Does this speaker have any magnetic interference issues?

No, it is designed with an internal magnetic circuit that reduces external magnetic field interference and leakage.

07 Can this speaker be used for walkie talkies?

Yes, it is widely applicable and suitable for walkie talkies.

08 What is the sensitivity rating of this speaker?

The speaker has a high sensitivity rating of 94 dB/W.

09 What is the driving voltage range for this speaker?

The recommended driving voltage for the speaker is between 3.4 and 4.4 volts.

10 What package contents are included with this speaker?

The package includes one 40mm internal magnetic horn speaker.

Categories
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Weightβ€”
AvailabilityIn stock
SKUGA_137898

Discussion

5.0
Based on 1 review
Rating
AliExpress Shopper October 8, 2025 β˜… β˜… β˜… β˜… β˜…

Nice quality, very thin.