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JBL MS Bass Pro 10-Inch SQ Premium-Powered Car-Audio Subwoofer System

4.2 out of 5 stars 8 customer reviews

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  • 10-Inch (250mm) square diaphragm allows the maximum radiating cone area and bass output
  • High-efficiency, 300-watt RMS (450-watt peak) Class D amplifier
  • Proprietary Slipstream port eliminates vent noise even at high sound pressure levels
  • Innovative, wide-range signal inputs means easy connection to any car's audio system -OEM or aftermarket
  • Optional wireless bass controller Works with the optional MS-WBC wireless bass controller (available separately) that wirelessly controls bass levels from a driver's seat
2 new from $279.95

Product Description

Product Packaging: Standard Packaging

Product Description

Great bass in your car doesn’t need to be complicated. The JBL MS-BassPro SQ delivers amazing performance in one complete, easily installed package. It’s a high-efficiency, 300-watt RMS (450-watt peak) Class D amplifier and powerful 10-inch (250-millimeter) square subwoofer optimized together in a bass-reflex enclosure using proprietary Slipstream port technology. The MS-BassPro SQ also features speaker-level and line-level inputs, selectable signal-sensing turn-on, input-level adjustment and low-pass crossover and bass-boost controls. The result is distortion-free low-frequency response that provides excellent performance for all types of music. The MS-BassPro SQ is an ideal upgrade choice for any car’s audio system.

From the Manufacturer

JBL MS BassPro SQ

5-1/4"10" (250mm) premium powered car audio subwoofer system with high-efficiency, low-distortion bass that installs easily.

Great bass in your car doesn’t need to be complicated. The JBL MS-BassPro SQ delivers amazing performance in one complete, easily installed package. It’s a high-efficiency, 300-watt RMS (450-watt peak) Class D amplifier and powerful 10-inch (250-millimeter) square subwoofer optimized together in a bass-reflex enclosure using proprietary Slipstream port technology. The MS-BassPro SQ also features speaker-level and line-level inputs, selectable signal-sensing turn-on, input-level adjustment and low-pass crossover and bass-boost controls. The result is distortion-free low-frequency response that provides excellent performance for all types of music. The MS-BassPro SQ is an ideal upgrade choice for any car’s audio system.

JBL MS BassPro SQ at a glance:

  • 10" (250mm) square diaphragm
  • Bass-reflex enclosure
  • Proprietary Slipstream port
  • Built-in, 300-watt RMS Class D amplifier
  • Innovative, wide-range signal inputs
  • Signal-sensing turn-on
  • Input-level, low-pass crossover, bass-boost and phase adjustments
  • Rugged black exterior finsh
  • Perforated black metal grille
  • Optional wireless bass controller (MS-WBC)

Key Features

10" (250mm) square diaphragm

Engineered specifically for the JBL MS-BassPro SQ, the square diaphragm design allows the maximum radiating cone area and bass output for this compact and powerful subwoofer system. This is not an off-the-shelf design. Rather, JBL engineers built this proprietary design from the ground up for this product. Since a square covers more area than a circle of the same height and width, this woofer diaphragm performs like a larger diaphragm, even though it’s as compact as a standard 10-inch subwoofer cone.

Bass-reflex enclosure

The MS-BassPro SQ’s bass-reflex (or “ported”) style of enclosure allows the speaker and port to complement one another at the tuned frequency, thus increasing overall bass output. It also maximizes the effectiveness of the built-in amplifier to deliver power in the frequency range where other sealed enclosure designs require more power for similar output. In short, it delivers the bass that other powered subs only wish they could.

Proprietary Slipstream port

A proprietary Slipstream port is a special feature of the MS-BassPro SQ. The port’s dual flares eliminate vent noises even at high sound pressure levels – a characteristic that many other bass-reflex enclosures do not have. Since the velocity of the air in the port can be substantial as bass output increases, the Slipstream design ensures that you hear only the rich bass and not the air “chuffing” out of the port. It’s a feature also found in JBL’s high-end home and studio-quality speakers, and it makes the bass from the MS-BassPro SQ quite impressive.

Built-in, 300-watt RMS Class D amplifier

The MS-BassPro SQ features a built-in, 300-watt RMS (450-watt peak) Class D power amplifier. It's designed to function perfectly with the subwoofer and enclosure for maximum performance. Class D operation also means that it runs cooler and draws less current from the vehicle electrical system than many other amps. You won't have to worry about finding the right amp for your subwoofer or matching the amp's specifications to the woofer. We've included it all for you in the MS-BassPro SQ.

Innovative, wide-range signal inputs

The MS BassPro SQ (with included RCA-to-bare-wire adapters) accepts up to 20 volts of input signal, whether it's a line-level or speaker-level signal. This means easy connection to any car's audio system – OEM or aftermarket. There's no need to worry about whether the subwoofer system will be able to connect in your car. It will.

Signal-sensing turn-on feature

The MS-BassPro SQ features a signal-sensing remote turn-on option. When enabled, it allows the MS-BassPro SQ to turn on whenever the head unit sends an audio signal. This feature is useful in many installations using a factory head unit that may not have a dedicated analog remote turn-on wire. The turn-on option is easily switched off for aftermarket head units that do have a dedicated remote turn-on wire. It's yet another way in which the MS-BassPro SQ is engineered to work easily with any car's audio system.

Input-level, low-pass crossover, bass-boost and phase adjustments

The MS-BassPro SQ includes a range of adjustments allowing users to tailor the system's performance to their preferences. An input-level control precisely matches input signals to the built-in amplifier for maximum undistorted bass output. The onboard low-pass crossover is variable between 50Hz and 120Hz, so it'll blend well with any other speakers in the vehicle. Bass boost (0 to +12 decibels at 40Hz) and 0 or 180-degree phase controls help to maximize the MS-BassPro SQ's performance, no matter where it is installed in the vehicle and no matter what style of music you choose.

Rugged black exterior finish

The MS-BassPro SQ has a rugged, matte-black finish that elegantly blends with any vehicle's interior or trunk. MS-BassProSQ looks great no matter what cargo is along for the ride.

Perforated black metal grille

A professional-looking black perforated metal grille protects the square woofer diaphragm from being damaged by shifting cargo. It also provides an elegant way to blend a subwoofer into a vehicle without making the subwoofer look out of place.

Optional wireless bass controller

The MS-BassPro SQ works with an optional MS-WBC that wirelessly controls bass levels from a driver's seat. Installation is easyand the adjustments are precise. The wireless bass controller provides on-the-go level control to blend bass perfectly for any song or road-noise conditions.


Product Specs

Technical Specifications    
Low-frequency transducer 10" (250mm) square diaphragm
Enclosure type/volume Bass reflex, 1.5 ft3 (42.5 liters)
Amplifier power 300 watts RMS; 450 watts peak
Frequency response 20Hz – 150Hz
Fuse rating 30A
Max current draw 25A
Idle current draw <400mA
Input sensitivity 40mV – 20V
Crossover frequency 50Hz – 120Hz, variable
Crossover slope 12dB/octave
Bass boost 0 to +12dB @ 40Hz
Dimensions (W x H x D) 22-5/8" x 12-3/8" x 11-3/8" (575mm x 314mm x 289mm)
Weight 32.8 lb (14.9kg)



A Simple Upgrade.

Great bass in your car does not need to be complicated. The compact yet powerful JBL MS-BassPro SQ provides a premium level of low-frequency performance normally associated with external amplifiers, component subwoofers and bulky, custom-built enclosures. It delivers the performance of all those components in one complete, easily installed package. The MS-BassPro SQ has a high-efficiency, 300-watt RMS (450-watt peak), built-in Class D amplifier delivering powerful performance to a square 10-inch (250-millimeter) subwoofer in a bass-reflex enclosure using proprietary Slipstream port technology. Professional optimization makes the MS-BassPro SQ deliver incredible performance. The MS-BassPro SQ includes other special features as well: speaker-level and line-level inputs (up to 20 volts) that easily connect to the car’s existing audio system; a signal-sensing feature that automatically turns the MS-BassPro SQ on when the car’s audio system is on; and controls for input-level adjustments, low-pass crossover frequency and bass boost. There’s even an optional wireless remote (MS-WBC) that controls bass levels from the driver’s seat. The result is distortion-free low-frequency response and excellent performance for all types of music. High efficiency and a very modest current draw from the vehicle’s electrical system makes the MS-BassPro SQ an ideal upgrade choice for any car’s audio system, particularly in today’s newer vehicles.




Product Information

Product Packaging:Standard Packaging
Product Dimensions 16.9 x 15.9 x 24 inches
Item Weight 35 pounds
Shipping Weight 38.1 pounds
ASIN B0096JALOQ
Item model number MS Bass Pro SQ
Customer Reviews
4.2 out of 5 stars 8 customer reviews

4.2 out of 5 stars
Best Sellers Rank #341 in Electronics > Car Electronics > Car Audio > Subwoofers > Enclosed Subwoofer Systems
#1,104 in Electronics > Car Electronics > Car Audio > Subwoofers > Component Subwoofers
Discontinued by manufacturer Yes

Warranty & Support

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Customer Reviews

Top Customer Reviews

Package Type: Standard Packaging Verified Purchase
After reading the other 2 reviews for this product, I thought it would be appropriate to add my two cents. First, I paid $409 about a month ago for this product and I consider that a fair price. I'm not going to defend Amazon for quoting the list price as $599 ($499 is the MSRP on jbl.com), but they had the best price when I made the purchase. As far as having a "hum" when the power is off, if the device is connected correctly, then there must be something wrong with it and it should be returned for a replacement. I have had no such problem with mine. I have a 2007 Tiburon and the unit is installed on the deck of the hatchback. I used the cargo net to hold it down and put a piece of non-slip rug pad underneath it. It hasn't moved at all since the install. I can't say I've gotten response as low as 20hz, but I have no complaints about the frequency response or amplitude. Since installing this unit, I upgraded the stock speakers in the car so they could keep up, and the system absolutely rocks! JBL has a real winner here.
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Package Type: Standard Packaging Verified Purchase
surprising yet not from JBL,expected! great sound no light dimming, anti skid pads are useless for a carpeted trunk. swapped them out for the "rough side" of some stickyback Velcro roll. nowstays put,,,,,, sound depths are impressive yet not too overbearing, fully tunable now a very happy driver!
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Package Type: Standard Packaging Verified Purchase
I have a toyota celica with back seats removed and false floor installed and carpeted, the rear of the car has bean dynomat (sound deadening) A ratchet strap wraps around sub and through floor. Components pioneer DEH-80PRS head, JBL GTO-804 amp, JBL P660C speakers. With this setup I find the sub to be tight, punchy and controlled at high and low volume. It has taken a hammering (the sub)at times even going into protection (Australian summer). I like this sub. For an all in one unit it would be hard to find better.
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Package Type: Standard Packaging
I purchased this from ebay but had to write a review so people can have another review to help them decide if this is right for them. Well i must say that i think the design is very nice looking. It is a pretty sizable box for a single sub but not huge. I also experienced the same issue as 2 others did which was continuous bass note or loud hum after car was shut off. After checking ground and all other wires i decided to run the remote wire and not use there remote sense switch. It solved the problem. Now for the bass. I have the input level only 3/4 and bass boost barely turned and crossover to around 70 hertz and it sounds really good. Deep bass notes sound amazing, the bass is felt in my 2013 chrysler 300. It definitely sounds like there is more in the trunk then just a 10" sub. When I fold the seats down the bass sounds like 2 12s and it is clean, no farting or struggling for the sub. This would sound even better in a truck or hatchback. I did not use the stick on feet they provide because others said they did not help the sliding and i can see that they definitely would not help. Its weird that they provide smooth stick on pads to stop it from sliding in your vehicle, but i used felt and it is working for me. I would definitely recommend this if you want quick easy bass in your vehicle. Think about it, you are getting a 10" square sub which is almost the equivalent of having an 11" round sub so more air movement and it has a 450 watt amp. Sooo happy with it.
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