Gravity

Gravity WZ10US-PK1 10" 1000W Slim Under Seat Subwoofer

4.0 (91 reviews)
1000W30Hz - 150KHz

Upgrade your car audio with 1000W of bass from a slim 10" subwoofer that fits right under your seat.

$139.99*
In Stock on Amazon.com
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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

The Gravity Warzone WZ10US-PK1 is a compact under-seat subwoofer built for drivers who want better bass without sacrificing cargo space. Its slim aluminum enclosure houses a 10-inch driver rated at 1000 watts, paired with an integrated amplifier that eliminates the need for separate amplification. This all-in-one design makes installation straightforward — connect it to your head unit's speaker outputs, slide it under a seat, and you're ready to go. The auto power on/off feature ensures the sub activates and deactivates with your stereo, so there's no need for a remote turn-on wire in most setups.

Covering a frequency response from 30Hz to 150KHz, the WZ10US-PK1 is tuned to fill in the low-end frequencies that factory speakers typically lack. A built-in phase shift control helps compensate for time alignment issues that can occur when adding a subwoofer to an existing system, ensuring tighter bass integration. The included wired remote control gives you fingertip access to bass boost adjustments, letting you dial in the right amount of low-end for different music genres or listening preferences without crawling under the seat.

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

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.
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.
It covers a frequency response range of 30Hz to 150KHz, delivering deep low-end bass reproduction.
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.
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.