TROPO-8 // 400 Watts RMS 8 Inch Car Subwoofer - CT SOUNDS

TROPO-8 // 400 Watts RMS 8 Inch Car Subwoofer

Name: TROPO-8 // 400 Watts RMS 8 Inch Car Subwoofer
Brand: CT Sounds
SKU: TROPO-8-D2
Price: 89.99 USD
Availability: InStock

10% OFF Before: $99.99 Price: $89.99

COIL CONFIGURATION

DUAL 2 OHM

DUAL 4 OHM

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

8 Inch Dual 2 Ohm Coil Configuration
RMS Power: 400 Watts
MAX Power: 800 Watts
2 Inch - 4 Layer High-Temperature Copper Voice Coil
Y30 Graded Double Stacked Ferrite Magnet
Flexible High Foam Surround
Composite Paper with 3% Carbon Fiber Reinforcement
Signature Chrome Plated Low Carbon Iron Bottom Plate
Advanced Air Cooling System
Dual Round Weaved Copper Tinsel Leads
12 Gauge Push Terminals
Fs: 45.02 Hz
Qms: 3.37
Qes: 0.53
Qts: 0.46
Vas: 6.96 L
Cms: 0.138 mm/N
Mms: 90.46 gr
Sd: 188.69 cm²
Re: 4
Le: 3.761
BI: 13.89 n/a
Sensitivity: 84.7 dB
Xmax: 9mm (one-way)

Box Specs

Subwoofer Measurements:
Cutout diameter	7.2"
Overall diameter	8.46"
Mounting depth	4.8"

Box Specifications:
Port Area	12 in²
Displacement	0.07 ft³

Flat Response Curve (SQ):
Sealed	0.3 ft³
Ported	0.4 ft³
Tuning Frequency	38 Hz
Boomer Response Curve (SPL):
Sealed	-
Ported	0.7 ft³
Tuning Frequency	42 Hz

*Flat response curve (SQ) is geared towards people looking for responsiveness. This style box is loud on all frequencies, generates little impedance loss, and can utilize an amplifier rated at the same RMS as the subwoofer.

*Boomer response curve (SPL) is geared towards people looking for maximum loudness. This style box will be louder than the flat response curve at some frequencies, has a high impedance rise, and can utilize an amplifier rated at a slightly higher RMS than the subwoofer.

*Enclosure recommendations do not account for subwoofer, bracing, and port displacement.

Product Video

Details

Quick Facts:
RMS Power:	400 Watts
MAX Power:	800 Watts
Voice Coil Configuration:	Dual 4 Ohm
Push Terminal Size:	12 Gauge

Specs

8 Inch Dual 4 Ohm Coil Configuration
RMS Power: 400 Watts
MAX Power: 800 Watts
2 Inch - 4 Layer High-Temperature Copper Voice Coil
Y30 Graded Double Stacked Ferrite Magnet
Flexible High Foam Surround
Composite Paper with 3% Carbon Fiber Reinforcement
Signature Chrome Plated Low Carbon Iron Bottom Plate
Advanced Air Cooling System
Dual Round Weaved Copper Tinsel Leads
12 Gauge Push Terminals
Fs: 42.61 Hz
Qms: 3.47
Qes: 0.58
Qts: 0.49
Vas: 8.18 L
Cms: 0.16 mm/N
Mms: 86.27 gr
Sd: 188.69 cm²
Re: 6.4
Le: 4.69
BI: 15.93 n/a
Sensitivity: 84.2 dB
Xmax: 9mm (one-way)

Box Specs

Subwoofer Measurements:
Cutout diameter	7.2"
Overall diameter	8.46"
Mounting depth	4.8"

Box Specifications:
Port Area	12 in²
Displacement	0.07 ft³

Flat Response Curve (SQ):
Sealed	0.3 ft³
Ported	0.4 ft³
Tuning Frequency	38 Hz
Boomer Response Curve (SPL):
Sealed	-
Ported	0.7 ft³
Tuning Frequency	42 Hz

*Enclosure recommendations do not account for subwoofer, bracing, and port displacement.

Product Video

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Application: 2010 Silverado Crew Cab

Originally ordered a single Tropo 10" to replace a tired Kicker 10" in a rear underseat enclosure; unfortunately, the Tropo 10" was too big for my sealed truck box. After some research, I ended up ordering a full underseat dual 8" ported enclosure (1.45 cubic foot volume) and two Tropo 8"s - at 0.7 cubic feet/per, they were a solid match for SPL curve, playing primarily hip hop music. Currently breaking them in on a Skar RP1200.1D @ 1 ohm with a max of 50% gain; SSF set @ 30 hz and LPF @ 80hz. Wow! These bad boys SLAM for some 8s, especially for the value you get em at. Solid kicks without any distortion and they surprised me and my installer on how low low they can get. I may eventually upgrade to the Meso 8"s, but some hip hop baselines literally make it hard to breathe in cab and they're not even pushed past 50% gain yet. Very excited to feel their performance once they're broken in. With the proper box volume, RMS, and tuning: 10/10 recommended, especially underseat in a truck where air space is limited.

Good sub

Good subwoofer

Little Bangers!

I put four of these in my 2021 Nissan Titan. I’ve been running them for about two months now, with a RF T1000-1 bdcp pushing them. The box has two side ports tuned to 38Hz, and they have 1.8cuf of air space. I’m not flexing my windshield, but these little suckers bang like crazy! I listen to a lot of EDM, and metal, and the sound is clear. I did lose a little kick drum tightness by going ported, but I’m still happy with the results I’m getting. If you’re tight on space, and you don’t want your wallet to cry when buying subs, you’ll be more than pleasantly surprised with all you’ll get in this small, affordable package.

Quality Quality Quality

This is really Awesome, either SPL or SQ use. I used this for Sound Competition

Small space design

Build specs: .6 cuft w/passive radiator tuned to 30hz at 450w rms. Xover @ 80hz
No bass boost.

Details: This build is for a Miata. Which is tricky to make decent low bass in. Being the trunk not fully coupled to the cabin. And there's not much space.
Polk dbs on a Rockford amp in the doors handle the punchy bass around 80hz really well. But generating good output below that, is where this sub came in.

The design is targeting SQ over SPL. Modeling small sealed boxes, peaked to high with the woofer. Ported was really the way to go. However, port length became an issue. Which is how I ended up with the PR. The PR in use here is the Earthquake SLAPS 8 tunable PR. With an additional 160 grams of mass added. And a half pound of poly in the box.

Design: carpeted, "bass tube" inspired design. With white trim around the baffles to match the vehicle. Baffles wider at the bottom for additional stability. Bottom mounted terminal for a clean look, with a groove for the wire to sit in.

Results: Overall output is more than reasonable. Plenty of bass to be had. Kick drums punch hard, and hit high in the chest. Synth bass is well controlled and can get down below the seat, as if it's coming from the floor. Output at tuning is acceptable, followed by a very sharp drop off. But there is a strong cabin gain in the upper 40's. Despite not using the amps bass boost.

The sub handles the amp well. With very little breakup up, only when pushed.

For the price, with the end result I've experienced in this particular build. The tropo is tough to beat.