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9*4mm 3v Smd Magnetic Gps Buzzer

The 9x4mm 3V SMD magnetic GPS buzzer is a compact side sound acoustic component designed for GPS devices, portable electronics, control modules, and other products that require clear audible prompts in a small mounting space. This model is widely described in the market as a GPS buzzer, while its structure fits the SMD magnetic transducer category, which means it is intended for external signal drive in compact PCB applications.
With a rated voltage of 3V, operating voltage range of 2V to 4V, resonant frequency of 2731Hz, sound output of 90dB minimum at 10cm, and current consumption of 80mA maximum, this 9x4mm SMD magnetic buzzer provides a practical balance of compact size, strong sound pressure, and stable electrical performance. For buyers searching for a reliable 3V SMD magnetic buzzer supplier, HC Electronic offers factory-direct support, free samples, and OEM customization service.
  • HSMT9040BS-03S-2.731-16-R

  • HC

  • Product name: smallest magnetic buzzer
  • Application: bus buzzer
  • Rated Voltage (Vp-p): 3V
  • Operating Voltage (Vp-p): 2-4V
  • Resonant Frequency (Hz): 2731
  • Sound Output at 10cm (dB): ≥90
  • Current Consumption (mA): ≤80
  • Coil Resistance (Ω): 16±3
Availability:
Model HSMT9040BS-03S-2.731-16-R
Rated Voltage (Vp-p) 3
Operating Voltage (Vp-p) 2~4
Resonant Frequency (Hz) 2731
Current Consumption (mA) ≤80
Sound Output at 10cm (dB) ≥90
Coil Resistance (Ω) 16±3
Operating Temperature (℃) -20~+70
Storage Temperature (℃) -30~+80
Weight (g) 0.8
Housing Material PPS
RoHs Yes

Product Overview

The 9x4mm 3V SMD magnetic GPS buzzer is designed for manufacturers that need a small acoustic component with stable sound pressure and easy SMT assembly. In many online searches and product listings, buyers use the keyword GPS buzzer because this type of component is often selected for navigation equipment and compact handheld devices. From an engineering perspective, this model is best understood as an SMD magnetic transducer or passive magnetic buzzer, making it suitable for designs that use an external drive signal.

Its side sound structure is practical for products with limited vertical space, while the 9x4mm body helps support dense board layouts. The minimum 90dB sound output at 10cm is strong for a component of this size, which helps improve audibility in prompts, alerts, status notifications, and fault indications.

For sourcing teams, this model also fits common procurement needs such as compact dimensions, stable quality, temperature resistance, customization support, and factory communication efficiency. HC Electronic supports both standard models and OEM requirements, which is useful for projects that need tuned voltage, sound performance, or packaging format for mass production.

Detailed Features

Compact 9x4mm footprint for small devices

The 9x4mm body is suitable for compact electronics where PCB space is limited. It helps product designers add an audible prompt function without taking up excessive board area.

3V operating platform for portable electronics

With a rated voltage of 3V and operating range of 2V to 4V, this model is well suited for portable and low-voltage electronic designs that need stable acoustic performance.

High sound pressure for its size

The minimum sound output of 90dB at 10cm helps this compact SMD magnetic buzzer deliver a clear audible signal for prompts, alerts, and warning indications.

2731Hz resonant frequency for prompt tone applications

The resonant frequency is optimized for practical alert sound output and supports products that need a focused, recognizable tone rather than a low-volume indication.

Side sound SMD structure for slim layouts

The side sound design is useful in compact product housings where vertical acoustic direction and assembly clearance matter. It can simplify integration in navigation modules and handheld devices.

Reliable material and factory support

PPS housing, standard environmental performance, RoHS compliance, and HC Electronic factory support make this product suitable for both evaluation and volume purchasing.

Applications

This 9x4mm 3V SMD magnetic GPS buzzer is suitable for a wide range of products and industries, including:

· GPS and navigation devices

· Portable consumer electronics

· Smart handheld terminals

· Alarm and reminder modules

· Industrial control products

· Medical electronic devices with prompt tones

· Automotive auxiliary modules and bus buzzer applications

· Compact SMT acoustic warning designs

Why This Product Matches Buyer Search Intent

Buyers often search using phrases such as 3V SMD magnetic buzzer, GPS buzzer, 9x4mm magnetic transducer, passive magnetic buzzer, or side sound SMD buzzer supplier. This product aligns with those search intents because it combines compact dimensions, clear sound output, and stable manufacturing support in one standard SMT model.

From a purchasing perspective, the most important product questions are usually about size, voltage, sound level, frequency, MOQ, sample availability, and OEM support. A strong SEO product page for this model should answer those questions directly and keep the language specific to this exact product rather than mixing it with unrelated piezo products.

Why Choose HC Electronic

HC Electronic is a manufacturing enterprise with long-term experience in speakers, buzzers, piezo elements, and ultrasonic products. The factory was established in 1997 and has more than 20 years of production experience. With around 185 employees, including acoustic engineers, the company supports standard products, OEM projects, and customer-specific acoustic development.

Buyers benefit from factory-direct communication, free sample support, stable lead time, and quality control processes designed for international supply. For sourcing teams looking for a dependable magnetic buzzer manufacturer, these advantages help reduce risk and improve project efficiency.

FAQ

Q1: Is this an active buzzer or a passive buzzer?

This model is best treated as an SMD magnetic transducer or passive magnetic buzzer, which means it is intended for external drive signal use.

Q2: What is the rated voltage of this product?

The rated voltage is 3V Vp-p, and the operating voltage range is 2V to 4V Vp-p.

Q3: What is the sound output?

The sound output is minimum 90dB at a measuring distance of 10cm.

Q4: What is the resonant frequency?

The resonant frequency is 2731Hz.

Q5: What applications is this 9x4mm magnetic buzzer suitable for?

It is suitable for GPS devices, portable electronics, control modules, medical electronics, compact alarms, and other products that require prompt or warning tones in a small SMT package.

Q6: Can you provide free samples?

Yes. Free samples are available. Please contact the sales team to confirm quantity and shipping arrangements.

Q7: Do you support OEM or customization?

Yes. HC Electronic supports customization based on voltage, dimensions, sound performance, structure, and application requirements.

Q8: What is the MOQ?

MOQ depends on stock and order details. In some cases, 1,000 pieces of a single model may be acceptable. Please confirm with sales before ordering.




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