
8" Amplified UnderSeat Subwoofer 300 Watts Rms






8" Amplified UnderSeat Subwoofer 300 Watts Rms
Sale $234.56 / EACH
Reg.$275.95
15% OFF FOR Labor Day Sale!
Availability:137 Items
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Key Features
- 8" Subwoofer Enclosure
- Amplified with Subwoofer Control Knob
- RMS Power: 150 Watts(800 Watts Peak)
- Impedance: 2-Ohm
- Under Car Seat
- 79dB
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Technical Data - Manual
DOWNLOAD THE USER MANUAL
SPECS
SKU
SQBASS8
Speaker Type / Size
8"
Total RMS Power Handling
150W
Total MAX Power Handling
800W
Sensitivity (1w/1m)
79dB
Frequency Response
36-300Hz
Remote Knob cable length
16ft / 5m
Remote Knob Adjust Range
0-30dB
Auto Turn-On
Yes, Signal Sensing
Speaker Specifications
Cone Material
Polypropylene
Surround Material
Rubber
Basket Material
Steel
Magnet Material
Ferrite
Body / Housing Material
Aluminum
Amplifier Specifications
Amplifier Class
Digital
Amplifier Type
Subwoofer Monoblock
Number of Channels
1Ch
Minimum Impedance
2ohm
Signal to Noise Ratio
>80dB
Total Harmonic Distortion (THD)
<0.5%
Low Level Input Range
0.1-3.5 Volts
High Level Input
0.3-10 Volts
Selectable X-Over
LPF Fixed
X-Over Filter Range
50-150Hz
Bass Boost Range
0-12dB
Bass Boost Frequency
50Hz
Infrasonic Filter
30Hz Fixed
Phase Selector
0-180
Led Indicator
Power/Protect
Power Input Terminal Size
8Ga
Fuse Size
25A
Remote Level Control
Yes, Included
Thermal Protection
Yes
Over-Load Protection
Yes
DC Output Protection
Yes
Short Circuit Output Protection
Yes
Voltage Input Protection
Yes
Measurement
Overall Height
3" / 77mm
Overall Width
9.64" / 245mm
Overall Length
11.42" / 290mm
Gross Single Unit Weight (lb)
13
Single Unit Box Dimensions W x L x H (Inches)
16.75 x 12.5 x 5.75
Quantity of Units in Master Carton
2
Gross Master Carton Weight (lb)
27.5
Master Carton Dimensions W x L x H (Inches)
17.5 x 12.5 x 13.75
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Product Overview
Product Overview
SQBASS8 8” Amplified Under Seat Car Subwoofer 600W
Bring the heart pounding bass you crave to any vehicle with DS18’s SQBASS8! This game-changing subwoofer will redefine your in-car audio experience!
The SQBASS8, engineered with a slim and compact design to bring bass to all builds, handles a mind-blowing 150W of RMS power. This allows the true force of the SQBASS8’s impressive frequency response ranging from 20Hz to 150Hz to be felt. This subwoofer brings an unmatched depth and richness to all your favorite tracks.
Although extremely powerful, the SQBASS8 also exemplifies the DS18 standard of precision and control in your audio system. The SQBASS8 features a state-of-the-art, digitally optimized subwoofer with a built-in 2-Ohm amplifier, ensuring unparalleled efficiency and accuracy in bass reproduction. To further elevate the SQBASS8 experience, the experts at DS18 have included a bass remote control, placing you in the driver’s seat of your build’s audio. Fine-tune your bass to match every song and mood.
When it comes to performance, the SQBASS8 reigns supreme. The versatile input sensitivity ranges from high level 300mV-10V to low level 100mV-3.5V, accommodating a wide array of audio setups with ease. With a fully adjustable low pass filter spanning from 50Hz to 150Hz and a bass boost range of 0 to 12dB, you have complete control over your soundstage, and the ability to make your bass perfect.
What sets the SQBASS8 apart from its competition is its ability to seamlessly be integrated into any build without sacrificing space or sound quality. DS18’s engineers design products for their family of audio enthusiasts, ensuring that even with limited space, you will feel the thunder of every heavy bass note.




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8" Amplified UnderSeat Subwoofer 300 Watts Rms
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Feels really solid. Made a night and day difference. Fit great under the seat of my obs.
Wow thing is amazing!! Perfect for my 22 Tacoma extra cab. Surpassed my expectations and some!! I need seat risers to make it fit under seat too much electronics there
Shit thumps for a little thing!! Installed behind my seat in 22 Tacoma xtra cab truck cause it wouldn’t fit under seat. Almost glad because it hits so hard I wouldn’t want it under my seat. Maybee under my chicks seat!! Lol
Very pleasantly surprised!
Purchased on a whim for a JK Wrangler base stereo with an aftermarket head unit. Easy to wire.
Will need to build brackets for under the passenger seat, BUT, so far, this thing is surpassing any expectations I had for such a small, compact unit! It actually shakes the mirrors! More than was expected at this price point for sure!!!
Sub installed perfectly under passenger seat and has huge sound for a small package!! Love it!!
Let customers speak for us
from 3890 reviewsNO more then you pay for these they are the perfect upgrade!

I have been looking for a 2 ohm speaker for my set up foud this one and l love it sounds really good and takes a ton of power

These evl 12s are where it’s at..build the box to specs like it says..hardest hitting subs I’ve bought to date

sound great look good even though you can’t see them in my truck

Fit & finish is very good bought them for my saddle bags on my 2000 road king installed your amp also combined with these speakers Wow very happy with the sound & performance $ well spent if I choose to add any more speakers I will definitely go with Ds18 in the future TY

Alot of sound for something small love it

Best loudspeakers🔥

I previously purchased a JBL rally bar 36 inch and was highly disappointed so I reached out to Anthony at DS 18 directly. He hooked me up with a set of 8 inch tower speakers 500 W he gave me a matching amp that I needed and a head unit, their customer service, especially Anthony walked me through the whole process of tuning my amp And system. It was so loud that we had to un bridge and just hook it up to 2 Channels Way more than I ever expected to get.the JBL rally bar. I couldn’t even hear the music over the motor running in the background very pleased with the product couldn’t be happier
NXL 8-Channel Full-Range Class D IP67 Marine and Powersports Amplifier 8 x 150 Watts RMS @ 4-Ohm

Wanted to add more power to my mids. Great bit and works great

You will not believe how these tweeters sound .... Dont let the price fool you

nice quality material work well and great purchase

I got 2 6.5 up front and 2 6x9 in my lids in the rear of my 24 road glide police edition. The sound great! The sound quality is top notch. I wanna run some 8 inch subs in my bags to give me more bass. Ds18 hook me up so I can do a sound video on YouTube with my guy baggers and burban. Lol
