Adafruit 3351 Mono Enclosed Speaker - 3W 4 Ohm

Upgrade your audio projects with the Adafruit 3351 Mono Enclosed Speaker, delivering clear and powerful 3W sound output in a compact, fully enclosed housing. With a 4 Ohm impedance rating, this speaker is perfectly suited for use with amplifier breakout boards, microcontrollers, Raspberry Pi, and a wide range of embedded audio applications. Available now at The Engineer Store, Bengaluru - trusted by makers and professionals across India. Fast shipping, 7-day warranty on manufacturing defects, and expert technical support included.

Specifications

Why Choose the Adafruit 3351 Mono Enclosed Speaker?

• Enclosed Design: No need to build or source a separate enclosure - the sealed housing provides improved bass response and cleaner audio output right out of the box.
• 3W Output at 4 Ohm: Delivers loud, clear sound ideal for interactive installations, voice prompts, alarm systems, and portable audio devices.
• Plug-and-Play Connector: Comes with a JST PH 2-pin connector and pre-attached wires for quick and hassle-free hookup to amplifier boards.
• Compact & Lightweight: Easy to mount inside enclosures, project boxes, or custom housings without adding bulk.
• Wide Compatibility: Works seamlessly with popular amplifier breakouts like the Adafruit MAX98357A I2S amp, PAM8302, and other 3W-5W class-D amplifier modules.
• 100% Authentic Adafruit Product: Sourced directly from authorized distributors - guaranteed genuine quality.
• 1-5 days shipping: Ships fast from our Bengaluru warehouse to most locations across India.
• Expert Technical Support: Our team is available to help you integrate this speaker into your project.

Key Features

• Fully enclosed mono speaker with professional-grade sound quality
• 3 Watt power handling ensures room-filling audio for small to medium spaces
• 4 Ohm impedance matches most common amplifier breakout boards
• Pre-wired with JST connector - no soldering required for compatible boards
• Integrated mounting points for secure installation in projects
• Durable plastic enclosure protects the speaker cone from dust and damage

Project Ideas

• Raspberry Pi Media Player: Pair with a Raspberry Pi and an I2S amplifier breakout to build a compact music player, internet radio, or podcast station with rich audio output.
• Voice Alert & Notification System: Create an IoT-based alert system that plays voice prompts, alarms, or notification sounds for smart home or industrial monitoring applications.
• Interactive Museum or Exhibit Display: Build motion-triggered audio installations that play narration, sound effects, or music when visitors approach - perfect for museums, exhibitions, and retail displays.
• Portable Bluetooth Speaker: Combine with a Bluetooth audio receiver module and a class-D amplifier to build your own custom portable wireless speaker.
• Talking Robot or Animatronics: Integrate into robotics projects to give your robot a voice - play pre-recorded speech or use text-to-speech synthesis from a microcontroller.
• Educational Audio Projects: Ideal for students learning about audio electronics, signal processing, amplification circuits, and embedded systems programming.
• Doorbell & Intercom Systems: Use in custom doorbell or intercom projects with clear voice reproduction and sufficient volume for indoor use.
• Game Console & Arcade Machine: Add authentic sound effects and background music to retro gaming consoles, arcade cabinets, and handheld game projects.

Compatibility & Recommended Pairings

• Adafruit MAX98357A I2S Amp Breakout: Direct digital audio from Raspberry Pi or ESP32 with no DAC required.
• Adafruit PAM8302 Mono Amplifier: Simple analog amplifier breakout - just feed audio in and connect this speaker.
• Arduino with Audio Shield: Play WAV files or generate tones with Arduino-

Frequently Asked Questions

Buy Adafruit 3351 Mono Enclosed Speaker - 3W 4 Ohm Online in India

Purchase the Adafruit 3351 Mono Enclosed Speaker - 3W 4 Ohm online at The Engineer Store - India's most trusted electronics components store. We deliver across all major cities including Bengaluru, Mumbai, Delhi, Chennai, Hyderabad, Pune, Kolkata, Ahmedabad, Jaipur, and Surat. Get the best price on Adafruit 3351 Mono Enclosed Speaker - 3W 4 Ohm with fast 1-5 day shipping from our Bengaluru warehouse. All products are 100% authentic, sourced from authorized distributors with 7-day warranty on manufacturing defects.

Looking to buy Adafruit 3351 Mono Enclosed Speaker - 3W 4 Ohm at the best price in India? The Engineer Store offers competitive pricing, bulk discounts for orders of 10+ units, and dedicated technical support via email and WhatsApp. Whether you are a hobbyist, student, or professional engineer, we have everything you need for your electronics projects.