Pyle PLBX8A Low-Profile Car Subwoofer 8 Inch
- Subwoofer Diameter: 8 inches
- Audio Driver Size: 8 inches
- Woofer Diameter: 8 inches
- Speaker Size: 8 inches
Last refreshed Aug 4, 2026 · Based on the Amazon listing and published specifications, not hands-on testing.
A space-saving option for car audio if you need bass from under the seat rather than the trunk, provided your amp setup matches.
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ASIN: B09F7MB8LCModel: PLBX8ACategory: Subwoofers
Overview
The Pyle PLBX8A is a compact 8 inch subwoofer built for under-seat mounting in a vehicle, rated at 600W and connected via RCA. At 3 by 9.5 by 12.8 inches and 4.37 lb, it is sized to slide beneath a car seat rather than sit in open floor space.
Under-seat car subwoofers trade maximum output for a low profile that does not eat into trunk or cabin space, a common tradeoff in Pyle's car audio lineup. Whether it includes a built-in amplifier or needs an external one is not specified in the listed attributes, so pair it with the right amp accordingly. RCA connectivity means it expects a head unit or amplifier with a subwoofer-level output.
- 8 inch driver
- 600W power rating
- Under-seat mounting design
- RCA connectivity
Who it's for
Car audio buyers who want added bass without giving up trunk space, feeding it from an RCA-equipped head unit or amp. Not suited to home theater setups or anyone wanting a floor-standing cabinet.
Pros and cons
- Under-seat mounting saves trunk space
- 8 inch driver rated at 600W
- Compact at 4.37 lb
- RCA only, no built-in amp confirmed
- Slim enclosure trades off some bass extension
- Car-specific, not suited to home audio
Performance notes
An 8 inch driver in a slim under-seat enclosure generally prioritizes fitting a tight space over maximum bass extension, a tradeoff inherent to this mounting style. RCA connectivity means output quality depends on the amplifier or head unit feeding it. At 4.37 lb, it is light enough for under-seat mounting without adding much weight to the vehicle.
Specifications
| Brand | Pyle |
|---|---|
| Model | PLBX8A |
| Dimensions & fit | |
| Subwoofer Diameter | 8 incheslower than 70% of 28 subwoofers |
| Audio Driver Size | 8 incheslower than 61% of 32 subwoofers |
| Woofer Diameter | 8 incheslower than 52% of 28 subwoofers |
| Speaker Size | 8 incheslower than 68% of 23 subwoofers |
| Weight | 9.63 poundslower than 87% of 56 subwoofers |
| Item Dimensions D X W X H | 3 × 9.5 × 12.8 inches |
| Tweeter Diameter | 1 inch |
| Capacity & performance | |
| Speaker Maximum Output Power | 600 wattshigher than 65% of 38 subwoofers |
| Audio Output Mode | Stereo |
| Age Range Description | Adult |
| Power & efficiency | |
| Power Source | Corded Electric |
| Number Of Power Levels | 1 |
| Input Voltage | 3.5 volts |
| Battery Average Life | 8 hours |
| Construction & materials | |
| Enclosure Material | Woofer Material |
| Color | Black |
| Compatibility & installation | |
| Connectivity Technology | RCA |
| Connectivity Protocol | RCA |
| Subwoofer Connectivity Technology | Wired |
| Mounting Type | Under-Seat Mounting |
| Compatible With Vehicle Type | Car |
| Compatible Devices | Car |
| Included components | |
| Customer Package Type | FFP |
| Unit Count | 1 |
| Warranty & support | |
| Warranty Type | Limited |
| Other details | |
| Speaker Type | Subwoofer |
| Control Type | Remote |
| Audio Driver Type | Dynamic Driver |
| Number Of Audio Channels | 1 |
| Is Waterproof | No |
| Water Resistance Level | Not Water Resistant |
| Number Of Items | 1 |
| Number Of Circuits | 1 |
| Processor Count | 1 |
| Mp3 Player | No |
| Additional Features | Adjustable Input Sensitivity, Bass Boost, Delay Remote Turn-On Thermal, Short And Overload Protection Circuits |
| Antenna Location | For Music Players |
| Builtin Media | Amplified Subwoofer, Hi-Level Input Wire, Mounting Hardware, Remote Subwoofer Control Cable, Remote Subwoofer Level Control |
| Specific Uses For Product | Car Audio Upgrades, Underseat Installations, Vehicle-Specific Sound System Enhancements |
| Frequency Response | 20 KHz |
| Wireless Technology | Bluetooth |
| Impedance | 4 ohms |
| Item Type Name | Vehicle-Subwoofers |
Closest rivals on specs
Kanto SUB8VMB Sealed Powered Subwoofer 8 Inch- Speaker Maximum Output Power 600 vs 300 watts (+100%)
SVS 3000 Micro Subwoofer Dual 8 Inch- Speaker Maximum Output Power 600 vs 800 watts (-25%)
Rockville Rock Shaker 10 Powered Subwoofer- Subwoofer Diameter 8 vs 10 inches (-20%)
Frequently asked questions
Where is the Pyle PLBX8A meant to be installed?
It is built for under-seat mounting in a vehicle.
What size is the driver?
8 inches, rated at 600 watts.
How does it connect to a car audio system?
Via RCA connections.