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TROPO-8 400 Watts RMS 8 Inch Car Subwoofer

TROPO-8 400 Watts RMS 8 Inch Car Subwoofer

4.9· 57 ratings

Best price now

$99.99at eBayObserved Nov 1, 2026, 6:15 PM

Compared across 3 stores. Prices are checked against each store and labelled with when.

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Quick answers

Where is the TROPO-8 400 Watts RMS 8 Inch Car Subwoofer cheapest?
At eBay, for $99.99, as of our latest check.
What do buyers say about the TROPO-8 400 Watts RMS 8 Inch Car Subwoofer?
Rated 4.9 out of 5 from 57 ratings. Buyers like: Big sound; Handles power well; Nice quality. Common complaints: One reviewer says they did not receive the right product.
Where can I buy the TROPO-8 400 Watts RMS 8 Inch Car Subwoofer?
5 stores we checked sell it, including eBay, CT SOUNDS, Platinum High Performance Solutions, LLC., CT Sounds, Amazon.

TROPO-8 400 Watts RMS 8 Inch Car Subwoofer prices at every store

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  • eBayNew

    In stockSold by ct-sounds

    $99.99Observed Nov 1, 2026, 6:15 PM
    Visit store
  • CT SOUNDSNew

    In stockReturn policy

    $99.99Observed Nov 1, 2026, 6:14 PM
    Visit store
  • Platinum High Performance Solutions, LLC.New

    In stockReturn policy

    $99.99Observed Nov 1, 2026, 6:14 PM
    Visit store

Also available at

  • CT SoundsCheck price at CT Sounds
  • AmazonCheck price at Amazon

TROPO-8 400 Watts RMS 8 Inch Car Subwoofer price history

$99.99$99.99
Oct 30Nov 1

Lowest price we've seen: $99.99 on Oct 30 at Amazon. Tracked across 3 stores since Oct 30.

From CT SOUNDS

  • 400 Watts RMS, 800 Watts MAX power handling
  • 8-inch car subwoofer
  • 2 inch - 4 layer high-temperature copper voice coil
  • Double stacked Y30 ferrite magnet motor
  • Stamped steel basket
  • Dual round weaved copper tinsel leads
Sizes
DUAL 2 OHM, DUAL 4 OHM
Materials
Composite paper cone with 3% carbon fiber reinforcement; dual white stitched high narrow foam surround; poly-cotton blend spider; stamped steel basket
Fit
Cutout diameter 7.2", overall diameter 8.46", mounting depth 4.8"
Shipping
Orders before 4 PM CST ship same day; shipping is FREE
Size chart
MeasurementValue
Cutout diameter7.2"
Overall diameter8.46"
Mounting depth4.8"

About the TROPO-8 400 Watts RMS 8 Inch Car Subwoofer

Details

Built to bring you the bass you need without breaking the bank you love, the CT Sounds Tropo 8 Inch 400W RMS Car Subwoofer allows you to peer into the atmospheric pressure CT Sounds subwoofers are capable of. Whether you want to fill in the lows in your stereo or drive the neighbors up a wall; the CT Sounds Tropo 8 is the perfect match.

The subwoofer features a 2 inch - 4 layer high-temperature copper voice coil, double slug Y30 grade optimized motor, stamped steel basket, flexible high foam surround, dual round weaved copper tinsel leads, and a premium grade spider pack. Boasting a conservative rating of 400 Watts RMS, this 8-inch subwoofer was engineered to be a harmonious combination of price and performance without a compromise on quality.

Looking to show your friends what real bass sounds like? You have come to the Troposphere; bass yourself seven miles up in the atmosphere with explosive sound pressure, the CT Sounds Tropo 8 Inch Subwoofer fills in the bass missing from your current stereo.

Quick Facts:

RMS Power:

400 Watts

MAX Power:

800 Watts

Voice Coil Configuration:

Dual 2 Ohm

Push Terminal Size:

12 Gauge

Specs

General Specifications:

Product Type:

Car Subwoofer

Subwoofer Size:

8"

Voice Coil Configuration:

Dual 2 Ohm

RMS Power:

400 Watts

MAX Power:

What buyers say

Buyers like
  • Big sound
  • Handles power well
  • Nice quality
  • Looks good on arrival
Buyers complain about
  • One reviewer says they did not receive the right product

Specifications

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Waterproof
No
RMS Output
400 Watts
Maximum Output
800 Watts
Channels
2.0 (surround sound channel configuration)
Dual Voice Coil
Yes
Speaker Type
Subwoofer
Impedance
Dual 2 Ohm
Sensitivity
84.7 dB
Bluetooth
No
Connectivity Type
Wired
Ports &Amp; Interfaces
Push terminals
Control Method
Voice
Mounting Depth
4.8"
Depth
8 in (20.3 cm)
Height
5.5 in (14 cm)
Width
9 in (22.9 cm)
Vehicle Type
Car
Compatible Devices
Car Media Players, Car Stereo Systems
Mounting Type
Car Mount
Hardware Included
connectors, speaker wires
Enclosure Type
Sealed
Material
Copper (Tinsel Leads), Stamped Steel (basket)
Finish
Chrome Plated (Low Carbon Iron Bottom Plate)
RMS power
400W (RMS)Source
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