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NVX Loaded BOOST Box - 2017-2022 Tesla Model 3 - BE-TM3-G1

For select 2017-2022 Model 3 - Single 10" 350W RMS Loaded BOOST Sealed Enclosure

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• Custom-Fit Sealed BOOST enclosure with 1 10" S Series Subwoofer
• Fits select 2017-2022 Model 3
• 350 watts RMS (700 watts Peak)
• Final Impedance: 2-ohm

See compatible vehicles Learn more about the betm3g1
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2026-07-12 23:59:00
List price $562.99
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$279.99

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Product Highlights


• Custom-Fit Sealed BOOST enclosure with 1 10" S Series Subwoofer
• Fits select 2017-2022 Model 3
• 350 watts RMS (700 watts Peak)
• Final Impedance: 2-ohm

Description


NVX brand icon

Authorized dealer

Model 3 10 Inch Loaded Enclosure
Steel Grille Carpet Fiberglass
Engineered In The USA

Product Details:

  • Custom-Fit Sealed BOOST enclosure with 1 10" S Series Subwoofer
  • Compatible with select 2017-2022 Model 3
  • Made with a hand-laid fiberglass shell covered in Carpet
  • Enclosure finish matches the interior of your vehicle
  • Installs in the driver's side of the trunk and sacrifices very little space
  • Loaded with one 10" NVX SMW10D4 subwoofer
  • Power Handling:
    • Peak: 700 watts
    • RMS: 350 watts
  • Final Impedance: 2-ohm
  • Carbon Fiber Reinforced Polypropylene cone
  • Butyl Rubber surround
  • 2" High-temperature aluminum voice coil
  • 50 oz. Single stacked high energy Y30 ferrite magnet
  • Versatile shallow mounting depth design
  • Chrome-plated, spring loaded push terminals for secure connection
  • Complete amplified bass system package available here
  • Unloaded enclosure available here
  • Frequency Response: 25 - 350 Hz
  • Sensitivity: 88 dB
  • Authorized Internet Dealer
  • 1-year Manufacturer's Warranty

Frequently Asked Questions (FAQ)


The Tesla Model 3 has a unique trunk side-pocket. This BOOST Box fits perfectly into that specific cavity, reclaiming floor space and matching the car's premium interior far better than a bulky, sliding universal box.
Tesla cabins are incredibly quiet; this sealed design provides the precise, tight bass response that complements the Model 3’s high-fidelity audio system without the bulky footprint or "chuffing" noise of a ported box.
The enclosure is wrapped in high-quality automotive carpet designed to match the Tesla trunk. While the fabric is resilient, spills should be cleaned immediately to prevent liquid from reaching the underlying MDF structure.
This enclosure is designed to utilize the deep storage pocket on the driver's side. While that specific pocket is filled, you retain full access to the large lower sub-trunk and the main trunk floor area.
The BE-TM3-G1 is tuned for the VSW102 driver, but adding polyester fiberfill can help if you prefer a "warmer" sound. It slows down the sound waves, effectively making the compact enclosure sound like a larger box.
No. Since Teslas are sensitive to rattles, this box is built with thick MDF and internal bracing to remain inert. It is specifically shaped to wedge securely, preventing the box itself from vibrating against the car's body.
Yes, the UBE-TM3-G1 is the unloaded variant of this enclosure. It features the same custom-fit dimensions but allows you to choose your own drivers.

Compatible Vehicles


Please use our Fitment Guide to determine specific compatibility for the submodel and audio features

The vehicle you have selected 2016 Mercedes-Benz GL-Class is not compatible. Change vehicle or See list of compatible similar products


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Specifications & Details


Compatible vehicle types
Compatible vehicle types
Car/Truck/SUV/Van
Subwoofer Specifications
Series
S Series
Subwoofer Design
Round / Circle
Voice Coil(s)
Dual
Impedance (Per Voice Coil)
4 ohm
RMS Power Handling
350 watts
Total RMS Power Handling
350 watts
Peak Power Handling
700 watts
Total Peak Power Handling
700 watts
Woofer Surround
Butyl Rubber
Woofer Composition
Carbon Fiber Reinforced Polypropylene
Sensitivity
88 dB
Frequency Response
25 - 350 Hz
Xmax (millimeters)
8 mm
Subwoofer Size
10"
Enclosure Specifications
Number of Subwoofers
1
Box Style/Shape
Vehicle Specific
Number of Terminals
1
Terminal Type
Spring posts
Box Exterior Color
Black
Box Finish
Carpet
Final Wired Impedance
2-ohm
Type of Enclosure
Loaded
Box Type
Sealed
Warranty and Return Policy
Parts Warranty Duration
1 year
Labor Warranty Duration
1 year
Warranty Provider
Manufacturer

Item Details


Manufacturer:

NVX

Model Number:

BE-TM3-G1

Weight:

35.00lbs

Internal SKU:

betm3g1

Internal Product ID:

180667

Product and How-to Videos


Customer Ratings & Reviews


NVX Loaded BOOST Box - 2017-2022 Tesla Model 3 - BE-TM3-G1 thumbnail image

5 star
50%
4 star
50%
3 star
0%
2 star
0%
1 star
0%



Durability
4
Value
4.5
Features
4.5
Design
4.5
Usability
4.5

Customer Reviews

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Shockingly good

After visiting my shop to inquire about adding some bass, and getting a really high quote for a custom box, sub and install, I decided to look online. I stumbled on this system from NVX and figured why not try to do it myself. Well, I did and I am sooooo glad I made that choice. I buy a lot online -- I mean appliances, clothes, everything -- I never thought about buying a sub system online and doing the install myself, but I found the videos, and discussion boards filled with tips so it wasn't bad at all. After a half day for me (sorry I am slow), I am here to say that my Tesla M3 never sounded so good as it does now. The sub is crisp, the box looks like it fits right into the Tesla production line and I have the extra bass that was really missing.

By Electric Joy Rider on June 29, 2021 Checkmark Icon Verified purchase

39 found this helpful


Sub was sent broken

Sub was tested with other amp and did the same thing it sounds awful over a certain volume and I think it would actually be a beast other than the fact that it sounds like paper plates clapping together customer support has solved issue

By Ruben on June 7, 2023 Checkmark Icon Verified purchase

34 found this helpful




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• Total box volume: .65 cubic feet

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Modern vehicles often require specific brackets, wiring harnesses, and mounting solutions. A fit guide ensures:

  • You see only parts engineered for your exact vehicle
  • You avoid incompatible radios, speakers, or wiring
  • Installation is smoother, faster, and frustration-free
  • You get the correct accessories the first time

Whether you're replacing a factory stereo or upgrading your entire audio system, the Fit Finder eliminates uncertainty.