
7x9" Amplified UnderSeat Subwoofer with a 4x6 Radiator 230 Watts Max







7x9" Amplified UnderSeat Subwoofer with a 4x6 Radiator 230 Watts Max
Sale $195.46 / EACH
Reg.$229.95
15% OFF FOR MOVING SALE!
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Key Features
- 7X9" Subwoofer Enclosure
- Amplified with Subwoofer Control Knob
- RMS Power: 230 Watts(1200 Watts Peak)
- Impedance: 2-Ohm
- Under Car Seat
- 80dB
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Technical Data - Manual
DOWNLOAD THE USER MANUAL
SPECS
SKU
SQBASSX2
Speaker Type / Size
7x9" + 4x6"
Total RMS Power Handling
230W
Total MAX Power Handling
1200W
Sensitivity (1w/1m)
80dB
Frequency Response
34-400Hz
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
0.1-5 Volts
High Level Input
0.5-10 Volts
Selectable X-Over
LPF Fixed
X-Over Filter Range
50-150Hz
Phase Selector
0-180?
Led Indicator
Power/Protect
Power Input Terminal Size
12Ga Wired
Fuse Size
15A
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
2.8" / 71mm
Overall Width
7.9" / 200mm
Overall Depth
12.1" / 308mm
Gross Single Unit Weight (lb)
11
Single Unit Box Dimensions W x L x H (Inches)
14.75 x 9.75 x 5
Quantity of Units in Master Carton
4
Gross Master Carton Weight (lb)
45
Master Carton Dimensions W x L x H (Inches)
20.75 x 15.5 x 10.7
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Product Overview
Product Overview
SQBASSX2 7” x 9” Amplified Under Seat Car Subwoofer with a 4” x 6” Passive Radiator 1200W
For powerful bass that defies its size, look no further than DS18’s SQBASSX2!
Designed with the enthusiast in mind, the SQBASSX2 exemplifies the DS18 standard for engineering. This subwoofer was made for vehicles that want explosive bass but don’t have the space for oversized subs or enclosures. The SQBASSX2 integrates a 7" x 9" subwoofer into a compact enclosure, amplifies it with a 4" x 6" passive radiator, and delivers unmatched bass precision and tonal richness.
What sets the SQBASSX2 apart is its ability to fit effortlessly under most conventional car seating, rear cubbies, or medium-sized storage compartments. It’s compact size gives it a modest presence, but its impact is anything but subtle. With a range of 34Hz to 400Hz, the SQBASSX2 ensures every bass note is felt and heard. The SQBASSX2 effortlessly delivers earth-shaking lows, creating an immersive audio experience that transports you to the very heart of your music. Its impressive 230W RMS power rating makes sure every drop sends shivers down your spine.
The SQBASSX2 doesn’t just meet DS18’s power standard; it also has the precision you love in DS18’s products. Equipped with its own volume control knob, the SQBASSX2 dares you to find your system’s sweet spot. Tailor the bass to your musical preferences, whether it's the driving rhythms of rock, the thumping beats of hip-hop, or the smooth melodies of jazz. The low pass crossover, adjustable from 50Hz to 150Hz, ensures that the bass seamlessly integrates with your existing audio system. And with the included remote knob and a generous 5-meter cable, you have full control at your fingertips, allowing you to fine-tune the bass with ease.
Unleash the full potential of your car audio system with DS18’s SQBASSX2!




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7x9" Amplified UnderSeat Subwoofer with a 4x6 Radiator 230 Watts Max
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I love the sound well balanced with my other speakers
Let customers speak for us
from 3465 reviewsI love the Infinite INFINITE 35 AH battery installed it on my 2013 Can Am Maverick 1000r and it has enough cracking power to start it every time see how it does when i add accessories

I love how there loud and everything but I had one go out on me

5 STAR!!! Installed these speakers in my 2019 Road Glide and I could not be happier with the clear sound!

Loud asf crystal clear

Really nice kit, AMP is also very solid and compact, fits nicely under the seat on the low profile AMP rack I bought !
Would recommend taking to a shop for installation. I’ve got a 2025 Jeep Gladiator and my only complaint is how difficult it is to disassemble the dash.
Also note this is not exactly plug and play if you intend on Amplifying tweeters and Dash speakers. These are extremely Loud and clear on Vocals.
If you plan on doing The Sound bar too, you have two RCA’s labeled FR & FL. You need a RCA Y splitter, DS18 Makes them. You actually need 2 red and 2 black splitters. Would highly recommend the speakers if you’re looking to Wind Proof the audio.

Never had subs this small but was suggested to try it and happy I did! I had 2 12s in my gladiator and wasn’t to happy with it and tried 4 of these and the sound is night and day difference! I have them in a ds18 ported box on a FR 3.5k

Have not installed them yet but the quality looks Superior

Good

Nice quality nice sound

Payed big bucks for the best sound but didn’t get any stickers

ZR 10" Subwoofer 700 Watts Rms DVC 4-Ohm

These speakers made a big difference from stock I can hear the speakers on Harley over 60mph.
