
Gravity
Gravity WZ10US-PK1 10" 1000W Slim Under Seat Subwoofer
★★★★★
1000W30Hz - 150KHz
Upgrade your car audio with 1000W of bass from a slim 10" subwoofer that fits right under your seat.
$139.99*
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*Price sourced from Amazon.com. Last updated:Jun 04, 2026.Price and availability are subject to change.
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Overview
Key Features
10" Compact SLIM Under the Seat Subwoofer
Power: 1000 Watts | Frequency Response: 30Hz - 150KHz
Phase shift to compensate for time alignment problem in the system
Auto power on/ off for high level connection
Bass boost increases the sound level with Wire Remote Control
Specifications
Type
Compact Slim Under-Seat Subwoofer
Driver Size
10"
Peak Power
1000 Watts
Frequency Response
30Hz – 150KHz
Amplifier
Built-in
Enclosure Material
Aluminum
Auto Power
On/Off for high-level connection
Phase Shift
Adjustable time alignment compensation
Bass Boost
Adjustable via included wired remote control
Pros & Cons
👍 Pros
- Slim under-seat design saves trunk space and keeps the subwoofer out of sight.
- Built-in amplifier eliminates the need for a separate amp and simplifies installation.
- Auto power on/off means no manual switching when starting or stopping the car.
- Included wired remote lets you adjust bass levels conveniently from the front seat.
- 1000W power rating delivers substantial bass output for its compact size.
👎 Cons
- Under-seat placement can limit bass dispersion compared to trunk-mounted subwoofers.
- The slim enclosure may not produce the same deep low-end impact as a full-size enclosed sub.
- High-level input auto power feature may not work with all aftermarket head units.
- Single 10-inch driver may not satisfy listeners looking for competition-level bass output.
Frequently Asked Questions
How thick is the Gravity WZ10US-PK1, and will it fit under most car seats?
The unit features a slim aluminum enclosure designed specifically for under-seat installation, making it compatible with most standard car and truck seats without sacrificing legroom.
Does this subwoofer have a built-in amplifier or do I need a separate amp?
The WZ10US-PK1 has a built-in amplifier, so no external amp is needed. You can connect it directly to your head unit using high-level speaker inputs.
What is the frequency response range of this subwoofer?
It covers a frequency response range of 30Hz to 150KHz, delivering deep low-end bass reproduction.
Does the subwoofer turn on and off automatically?
Yes, it features auto power on/off functionality when connected via high-level inputs, so it activates with your stereo and shuts off when the car is turned off.
Is a bass level remote control included?
Yes, a wired remote control is included, allowing you to adjust the bass boost level from the driver's seat without reaching under the seat.