5090 Water-resistant Speaker - 4 Ohm 10 Watts Industrial Grade Audio (90x50mm Oval)

Specifications:

• Dimensions: 90mm x 50mm (Oval Profile)
• Power Rating: 10 Watts (Nominal)
• Impedance: 4 Ohms
• Diaphragm Material: Water-resistant treated composite
• Magnet Type: High-flux Ferrite
• Frequency Response: 150Hz – 15kHz
• Mounting: 4-point M4 screw mounting holes
• Frame Material: Corrosion-resistant treated steel

Key Applications & Projects

• Outdoor Kiosks: Reliable voice prompts for ATM machines or ticketing booths.
• Marine Audio: Weatherproof sound systems for small boats or poolside enclosures.
• Smart Home Security: High-volume speakers for smart video doorbells and outdoor intercoms.
• Industrial Alerts: Audible alarms for factory floors where dust and light splashes are common.
• DIY Bluetooth Speakers: Build a rugged, portable boombox that isn't afraid of a little rain.

Project Evolution 

• Past Projects (Prerequisites): If you have mastered basic audio with 0.5W buzzers or standard 2W plastic speakers and found the volume lacking or the durability poor...
• Feature Upgrade: ...this 5090 10W Speaker unlocks true "room-filling" sound and environmental resilience. It allows you to move your projects from the indoor workbench to the real world.
• Effort/Requirements: Intermediate. Requires a dedicated audio amplifier module (like a PAM8403 or TPA3118) and basic soldering skills.

Virtual Technician & Wiring

• Safety Warning: Never connect this speaker directly to the GPIO pins of an Arduino or ESP32. Doing so will draw too much current and likely destroy your microcontroller.

  Wiring Guide:

•  Connect the (+) Terminal of the speaker to the L-OUT+ or R-OUT+ of your amplifier board.

   

• Connect the (-) Terminal to the corresponding Negative output on the amplifier.

• Logic-Safe Tip: Ensure your amplifier is rated for 4-Ohm loads to prevent overheating.

Package includes: 

1 X 5090 Water-resistant Speaker - 4 Ohm 10 Watts Industrial Grade Audio (90x50mm Oval)

Frequently Asked Questions (FAQ)

1. Is this speaker fully submersible?
   No, it is water-resistant (IP64-rated diaphragm), meaning it handles splashes and humidity, but should not be submerged.
2. Can I use this with a 5V PAM8403 amplifier?
   Yes, though the PAM8403 only outputs 3W, so the speaker will be quieter than its 10W potential.
3. What is the mounting hole spacing?
   The holes are typically spaced 82mm x 42mm apart (center to center).
4. Does it come with wires pre-soldered?
   No, it features solder tabs for a secure, custom-length connection.
5. Can I use this with an 8-Ohm amplifier?
   Yes, but the power output will be roughly halved. It is safe for the amplifier.
6. Will the magnet interfere with my electronics?
   It is a standard magnet; keep it at least 2-3cm away from sensitive hall-effect sensors or compass modules.
7. Is the frame plastic or metal?
   It is a stamped steel frame with a protective coating to prevent rust.
8. What happens if the cone gets wet?
   The water-resistant coating allows water to bead off without soaking into the fibers.
9. Can I use this for music, or is it only for voice?
   It is optimized for mid-range (voice), but performs well for general music in DIY projects.
10. Does it need an enclosure?
    For the best bass response and volume, mounting it in a sealed or ported box is highly recommended.
11. How do I identify the positive terminal?
    The positive terminal is usually marked with a red dot or a (+) symbol next to the solder tab.
12. What is the depth of the speaker?
    The total depth from the front gasket to the back of the magnet is approximately 32mm.
13. Is it compatible with Raspberry Pi?
    Yes, when used with an I2S DAC or a USB audio amplifier.
14. Can I connect two of these in series?
    Yes, connecting two in series will create an 8-Ohm load, suitable for many home audio amps.
15. Does it work for ultrasonic frequencies?
    No, the response drops off significantly after 15kHz.
16. Is it UV resistant?
    The diaphragm is treated, but for long-term outdoor use, a protective grille is recommended to block direct sunlight.
17. Can I use hot glue to seal it?
    Yes, hot glue or silicone sealant can be used around the frame to improve the water seal in your enclosure.
18. What is the weight of the speaker?
    Approximately 85 grams.
19. Does it produce a lot of heat?
    At 10W, the voice coil may get warm during prolonged use; ensure some airflow in your enclosure.
20. Can I use this for a motorcycle sound system?
    Yes, its oval shape and water resistance make it popular for fairing mounts.