JBL

JBL Basspro SL2 - Powered under seat subwoofer system Black

486+ bought in the past month

$384.95

About this item

  • 125W RMS compact powered subwoofer system with Bass Boost of 0dB to plus9dB at 70Hz
  • Dimensions (L x W x H): 13-9/16" x 9-7/8" x 2-13/16" (344mm x 250mm x 71mm)
  • Frequency Response 35Hz – 120Hz
  • 8" Powered Subwoofer
  • Car audio Subwoofer
$384.95

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Product details

BrandJBL
Speaker Maximum Output Power125 Watts
Frequency Response120 Hz
Connectivity TechnologyAuxiliary
Audio Output ModeStereo/Mono

Technical specifications

mounting_typeCar Mount,Under Seat Mount
materialPlastic
model_nameBASSPRO SL2
speaker_typeSubwoofer
special_featureCar Audio Subwoofer
recommended_uses_for_productcar
compatible_devicescar
subwoofer_diameter8 Inches
unit_count1.0 Count
surround_sound_channel_configuration1.0
colorBlack
included_components1 powered woofer enclosure, 4 mounting screws, Owner’s manual
product_dimensions14.5"D x 17"W x 13.38"H
is_waterproofFALSE
warranty_typeLimited
maximum_range10 Meters
number_of_items1
control_methodRemote
wireless_communication_technologyBluetooth
speaker_size8 Inches
power_sourceCorded Electric
woofer_diameter8 Inches
water_resistance_levelNot Water Resistant
audio_driver_typeDynamic Driver
bluetooth_range10 Meters
audio_driver_size8 Inches
subwoofer_connectivity_technologyWired
specific_uses_for_productCar Audio
upc050036365284
stylesubwoofer
manufacturerJBL
shaperectangular prism
item_weight10.28 pounds
item_model_numberSUBBPSL2AM
best_sellers_rank#64,503 in Electronics ( See Top 100 in Electronics ) #214 in Car Component Subwoofers
is_discontinued_by_manufacturerNo
date_first_availableOctober 1, 2020

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Customer reviews

4.3127 ratings

Customers say

Customers find the subwoofer's sound quality excellent, with one describing it as "ABSOLUTELY KICKS ASS.

★★★★★

Perfect compact size

Raymundo M.July 24, 2025

Love this sub. Sleek looking, compact design for small spaces with some good bass. Feels premium as JBL should. Had it for over 1 year now and no complaints. I have this in my Ford Maverick Hybrid so installing was easy because the battery is in the back seats. Just less wires to run to the front. Only ran the volume control to the front and you can hide that easy. Read more

★★★★★

Huge sound, extremely compact.

Josh JonesNovember 13, 2025

Extremely compact and tiny. The sound is much bigger than what it is. Its not going to blow you away but will deliver the bass you need to make the songs sound full and a punch. Great buy especially for the price. Read more

★★★★★

Good boom juice

MmpJune 7, 2022

So first of all, it makes plenty of noise. I bought this because my civic had little to none on the bottom end. With the freq settings and crossover I was able to get all the sound I was missing out on the factory radio. I keep it right at the 1/8th turn setting and it’s good for me. Anything above that and it drowns out everything and tries to vibrate my mirrors off. Overall a good product and can run pretty much from a 12vdc outlet in your car. Read more

★★★★★

Deep

MasonOctober 25, 2025

Bumped great in my truck. Wish it came with the wiring kit but still a great product. Sounds good! Read more

★☆☆☆☆

Don’t buy it again

Darrell monroeNovember 6, 2025

This product wouldn’t power up the first time I tried it had it a month yesterday just hooked it now they saying warranty out Read more

★★★★☆

Fits Under the Seat

Dusty StarbucksJanuary 19, 2023

I know it won't fit under every seat, but it fits under the passenger front sit of my rig. I bought a new vehicle that had a garbage sound system. First thing was to rip out all the speakers and replace with new. I still wasn't satisfied with the sound. So I bought this and wired it up. That went very smoothly and the sound filled out nicely. I do suggest wiring and installing the remote volume control. When switching from say, Apple Car Play to radio the audio is not optimized for both and adjustment is needed. Radio stations use continuous look-forward equalizing boxes on their audio prior to transmission, so the bass generally picks up quite a bit when you switch to radio. Easy to adjust with the remote mounted in a convenient location. Read more

★★★☆☆

So so sound quality.

jena s lewisJuly 28, 2022

I guess I should have just bought a true sub and amp. Most likely that's what I'm going to do in the near future. It does add some bass to the car audio, but not what you're looking for if you're used to a true sub and amp. It doesn't have the range of a true sub and it distorts easily if you set your sound preferences up wrong. It's really only good for a certain range of bass. These are all things I would have been aware of if I was more into the technical side of car audio, but I'm just a girl who likes a good bass drop. I've built custom enclosures for subs and installed a lot of amps/sub combos so I'm not inexperienced on installs or settings. Just didn't fully understand the values of the frequencies I suppose. Anyways, if you're looking to add a touch of bass this thing actually doesn't sound horrible. If you love a real sub, the compression wave as it passes through the cabin, the reflex of speaker, and the way it fills out a range of sound qualities/"frequencies" this speaker isn't for you. You won't get those things. Read more

★★★★★

Fantastic for a small hatch back

AlexJanuary 6, 2023

This 8inch sub and amp combo is excellent! This works great for a small hatchback with just 4 factory door speakers, this completely changes the sound of the whole system! Install was super easy, ended up mounting it in the hatch rather than under the seat. Will definitely be upgrading to some JBL door speakers soon. Another thing to note with this sub and amp, it isn’t a huge, powerful sub, it’s just enough to add clean bass to your vehicle, if you go from factory speakers to adding something like this… trust me you won’t be disappointed. The bass won’t shake you’re license plate, but it will definitely add some in a car with no sub, and factory speakers. Also sound dampening helps 100% more, and makes the bass much more powerful. In the end if you are looking for a sub that’s going to rattle your license plate off, this definitely isn’t for you. However if you want a simple upgrade from factory, this thing is great, and the user interface is super easy. All included hardware was very nice, and high quality, definitely something to expect out of a JBL product! Read more

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