57MM Horn With Protocol Box 8OH 3W Full Frequency GPS External Voice Speaker Sound Alarm Amplifier Speaker for Car Device

The 57MM Horn With Protocol Box is engineered to deliver premium quality sound and effective voice output in compact systems such as car GPS units, security systems, and other electronic devices. Built with a 57mm dynamic speaker core, this horn operates at 8 ohms and 3 watts, offering consistent full-frequency audio output. The included protocol box ensures precise control, making it ideal for use in smart electronics requiring accurate voice instructions or alarms.

This 57MM Horn With Protocol Box functions as a dependable external voice speaker, offering excellent clarity and projection. It is especially effective in vehicle security setups or smart navigation systems where audio cues and alarm sounds are crucial. Additionally, the product works as a highly responsive alarm amplifier speaker, producing powerful alerts in real-time situations.

With its compact structure and high sensitivity (87dB ±3dB), it fits well in limited spaces while maintaining a strong sound presence. Its versatility across multiple platforms—ranging from car navigation to electronics—makes it a cost-effective choice for manufacturers and system integrators looking for an efficient voice amplification solution.

Product Features

• Microphone with integrated speaker for versatile use

• Dynamic microphone design for clear and strong sound pickup

• Cardioid polar pattern reduces background noise and enhances voice clarity

• Ideal for communication, recording, teaching, conferencing, and smart device integration

• High sensitivity and excellent signal-to-noise ratio for crisp sound output

• Portable and compact construction for easy use across multiple applications

Technical Specifications

• Type: Dynamic Microphone with Speaker

• Style: Wired, Microphone with Speaker

• Polar Pattern: Cardioid

• Communication: Wired

• Sensitivity: 87dB ±3dB

• Signal-to-Noise Ratio: 80dB

• Rated Impedance: 4Ω ±15%

• Rated Power: 2.5W

• Max Power: 3W

• Sound Pressure Level: 87dB ±3dB

• Frequency Response: 20Hz–20KHz

• FO (Resonant Frequency): 560Hz ±20%

• Plug Type: SM Connector

• Speaker Size: 57mm

• Material: Metal + Plastic

• Color: Black (customizable on request)

Applications

• Telephone and intercom systems

• Televisions and multimedia devices

• Electronic dictionaries and MP5 players

• GPS systems and smart gadgets

• Recording, conferencing, public speaking, and education

Packaging & Delivery

• Packaging: 1 Piece per PE Bag

• Single Package Size: 10 x 10 x 13 cm

• Single Gross Weight: 0.085 kg

• Delivery Time:

• Samples: 1–5 working days

• Neutral Bulk Orders: 5–15 days

• Customized Orders: 15–30 days

Certifications

• CE, ROHS, FCC, CPC compliant

• ISO9001 and BSCI certified manufacturing

Customization Options

• OEM/ODM accepted

• Logo printing

• Custom packaging

• Color customization

• Label and branding support

FAQs

Q: Can I request product customization?

A: Yes, we offer full OEM and ODM services, including logo, color, and packaging customization.

Q: Are there discounts for large orders?

A: Yes, bulk order discounts are available. Please contact us with your quantity requirements.

Q: Do you offer product samples?

A: Absolutely. Samples are available upon request. Please reach out for pricing and availability.

Q: What certifications do you provide?

A: Our products are certified with CE, ROHS, FCC, CPC and manufactured under ISO9001 and BSCI audited facilities.