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Powerbass
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Powerbass OE42-T3Y TESLA OEM Upgrade 4" Full Range Coaxials

$119.99 $139.99
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Key features

  • Speaker size: 4″
  • RMS power per speaker: 50 W
  • Speaker impedance: 4.0 ohms
  • Frequency response: 95 Hz - 21 kHz
  • Woofer cone: Poly mica
  • Tweeter: 0.75 in Mylar dome

Description

Upgrade factory audio with precision-engineered OEM direct-fit coaxial speakers designed for Tesla rear door locations. These 4-inch coaxial speakers deliver improved high-frequency clarity and enriched low-frequency definition over standard factory sound systems.

Crafted with durable poly mica cones, integrated 3/4-inch Mylar dome tweeters, and robust nylon adapters, they ensure premium acoustic reproduction and long-lasting durability.

Installation is straightforward with a seamless drop-in plug-and-play design that connects directly to factory harnesses and uses original mounting locations without wire splicing or drilling.

Key Features

Brand Powerbass
Model Number OE42-T3Y
Product Type Coaxial Car Speakers
Speaker Size 4"
Tweeter Size 3/4"
Cone Material Poly Mica
Tweeter Material Mylar Dome
Nominal Impedance 4-ohm
Power Handling (RMS/Peak) 50 watts RMS/100 watts peak
Frequency Response 95Hz - 21kHz
Sensitivity (1W / 1M) 87 dB
Product Weight 1.2 kg

Highlights

  • Tesla OEM Upgrade Full Range Coaxials
  • 4" OEM Fit Upgrade Full Range Coaxials
  • 50 Watts RMS/100 Watts Max
  • Poly Mica Cone
  • 3/4" Mylar Dome Tweeter
  • Nylon OEM Speaker Adapter
  • Factory Plug and Play Wiring Adapters

Sizing & fit

Direct fit for Tesla Model 3 (2018–2024, Highland), Model Y (2020–2025, Juniper), and Cybertruck rear door speaker positions.

Compatibility

  • Model 3 (2018 - 2024)
  • Model Y (2020 - 2025)
  • Cybertruck
  • Model 3 Highland
  • Model Y Juniper

What's included

  • Pair of 4" Powerbass OE42-T3Y Coaxial Speakers
  • Tesla-specific nylon speaker adapters
  • Factory plug-and-play wiring harnesses

Downloads

Frequently asked questions

Which Tesla vehicles are compatible with these speakers?

These speakers are compatible with Tesla Model 3 (2018–2024, including Highland), Model Y (2020–2025, including Juniper), and Cybertruck.
Where are these speakers installed in the vehicle?

They are designed specifically as drop-in upgrades for the factory rear door speaker locations.
Is cutting or drilling required for installation?

No, they feature factory plug-and-play wiring adapters and custom nylon brackets that match original bolt locations without modification.
What is the power rating of the OE42-T3Y speakers?

The speakers handle 50 Watts RMS and up to 100 Watts Peak power at 4 ohms.

Complete your speaker upgrade

Help reduce panel vibration and rattles so your speakers can sound their best.

SoundSkins Rolled Deadener
SoundSkins Silent Strips
SoundSkins Wavy Foam
SoundSkins SpeakRings v3

Need an amplifier to run these speakers?

Compare car-audio amplifiers by channel count. Ratings shown at 4 Ω. Check your speakers’ impedance and RMS power before choosing an amplifier.

2-Channel Amplifiers

50–125W RMS per channel at 4 Ω

4-Channel Amplifiers

50–125W RMS per channel at 4 Ω

6-Channel Amplifiers

Actual 4 Ω ratings shown for each amplifier

8-Channel Amplifiers

Actual 4 Ω ratings shown for each amplifier

Product Details