JBL BassPro SL2 Powered Subwoofer vs DS18 12" Loaded Amplified Shallow Subwoofer Enclosure 350 Watts Rms
The DS18 is the better value for raw output: 350W RMS and a 12" driver for $239.95, its lowest price since October 29, 2026, versus $303.95 at Crutchfield for the JBL as of November 3, 2026. The JBL BassPro SL2 is the smarter pick when space is tight, since it is only 2.875 inches tall and fits under a seat. Buy the DS18 for louder bass per dollar; buy the JBL for a compact, low-draw install.
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JBL BassPro SL2 Powered Subwoofer
4.5$303.95at CrutchfieldObserved Nov 2, 2026, 5:31 PM
Choose the JBL BassPro SL2 if you need a sub that fits under a seat or behind a truck bench and you want a low current draw on a stock electrical system.
Pros
- Very slim 2.875-inch profile fits under most seats
- Low quiescent draw under 800mA is easy on a stock battery and alternator
- Adjustable 50-120Hz crossover and up to +9dB boost at 70Hz
- ABS enclosure is light and resistant to moisture
Cons
- 125W RMS and an 8" driver limit output
- Costs about $64 more than the DS18 at current prices
What separates them
| JBL BassPro SL2 Powered Subwoofer | DS18 12" Loaded Amplified Shallow Subwoofer Enclosure 350 Watts Rms | |
|---|---|---|
| Amplifier power | 125W RMS | 350W RMS (700W max) |
| Woofer size | 8" (200mm) | 12" shallow-mount |
| Frequency response | 35Hz-120Hz | Not published; sealed 12" enclosure |
| Dimensions | 13.5" x 2.875" x 10.125" | 19.3" x 14.96" x 7.4" deep |
| Enclosure material | ABS plastic | Sealed MDF box with black carpet |
| Current draw | 15A fuse, 12A max, under 800mA quiescent | Not published |
| Controls | 50-120Hz crossover, 0 to +9dB boost at 70Hz | Remote level knob, subwoofer control |
| Price |
Price history
$374.95$239.95
- JBL BassPro SL2 Powered Subwoofer: lowest $303.95 on Oct 29 at Amazon; $303.95 on Nov 2.
- DS18 12" Loaded Amplified Shallow Subwoofer Enclosure 350 Watts Rms: lowest $239.95 on Oct 29 at All Thingz UTV; $374.95 on Oct 30.
Prices at every store
JBL BassPro SL2 Powered Subwoofer
- CrutchfieldNew
In stock
$303.95Free shippingObserved Nov 2, 2026, 5:31 PM - JBLNew
In stock
$303.95Free shippingObserved Nov 2, 2026, 5:31 PM
Also available at
- East Car AudioCheck price at East Car Audio
- eBayCheck price at eBay
- SonicElectronix.comCheck price at SonicElectronix.com
DS18 12" Loaded Amplified Shallow Subwoofer Enclosure 350 Watts Rms
- AmazonCheck price at Amazon
- All Thingz UTVCheck price at All Thingz UTV
- AutoZoneCheck price at AutoZone
Specs compared
| Spec | JBL BassPro SL2 Powered Subwoofer | DS18 12" Loaded Amplified Shallow Subwoofer Enclosure 350 Watts Rms |
|---|---|---|
| Amplifier power | 125W RMS | — |
| Woofer diameter | 8" (200mm) | — |
| Frequency response | 35Hz-120Hz | — |
| Fuse rating | 15A | — |
| Maximum current draw | 12A | — |
| Quiescent current draw | <800mA | — |
| Input sensitivity | 0.05V - 2V line-level input; 0.5V - 20V high-le… | — |
| Crossover frequency | 50Hz - 120Hz | — |
| Crossover slope | 12dB/octave | — |
| Bass boost | 0dB to +9dB @70Hz | — |
Questions and answers
- Which hits harder, the JBL BassPro SL2 or the DS18?
- The DS18. It runs 350W RMS into a 12" driver versus 125W RMS into an 8" in the JBL, so it moves noticeably more air.
- Which fits under a car seat?
- The JBL. At 2.875 inches tall it slides under most seats; the DS18 is 14.96 inches tall and needs open cargo or trunk space.
- Is the DS18 worth the savings over the JBL?
- Yes if space is not a constraint. It is $239.95 versus $303.95 at Crutchfield as of November 3, 2026, and delivers more than double the RMS power.
- Will the JBL drain my battery?
- Unlikely. Its 12A maximum draw and under 800mA quiescent draw are modest for a stock electrical system. The DS18 does not publish current draw figures.
- Can I use either one in a home theater?
- The DS18 lists home theater and AV receivers as compatible devices. The JBL is designed for car audio line-level and high-level inputs.
- Which has better build quality?
- The DS18 uses a sealed MDF enclosure with carpet, which resists rattles better than the JBL's ABS plastic box, though the JBL is lighter and moisture-resistant.