Garage
Shop

See all parts that fit your 2018 Compass

Kicker HS8 (51HS8)

150W RMS Loaded Single 8" Sealed Subwoofer Enclosure with Built-in Amplifier

Kicker
Shop all Kicker
Product videos
highlight-star-icon

• 8" Amplified Loaded Subwoofer System
• 150 watts RMS
• Built-In Class Amplifier
• Variable Bass Boost
• Speaker-Level Inputs
• Wired Remote Bass Level Control

Learn more about the 51hs8
Universal fit Icon

Universal – fits most vehicles.

Similar items | Update vehicle | Vehicle store
List price $359.99
Thanks , You Pay:
-8%

$329.99

 with warranty
Starting at $30/mo or 4 payments of $83 Buy now, pay later and installment payment plans are offered by Afterpay and Affirm. Learn more

Heads up

Your vehicle can use this product in multiple locations. Only a quantity of one can be selected from the product page. You will have the option to adjust the quantity within your cart.

shipping truck icon Free shipping in USA. Provide zip for delivery date.
Dollar Icon
VIP Product Get $33.00 in rewards to spend later
Quantity
In Stock
Brand new
QBUS8P main
NVX NVX QBUS8P 300W Peak (150W RMS) 8" Under-Seat Powered Car Subwoofer System

(9)

$149.99 $191.99
Sponsored

Acima Logo

No Credit Option

Flexible Lease Payments

Early Purchase Options

Quick Approval Decision

Extend logo

Keep your product protected longer! Extend the warranty after the manufacturer warranty expires. 

  • Hassle-free immediate replacement within minutes!
  • Easy online claims 24/7
  • Covers product breakdowns and failures
Swoosh Icon Icon of Swoosh

For over 25 years, we've been your X-Factor – the team dedicated to having the biggest impact on your shopping experience!

Award winning icon
Award-Winning Service
Shipping icon
FREE Shipping Orders $49+
60 days return policy icon
60-Day Easy Returns
lowest price guarantee icon
Guaranteed Lowest Price
inHouseExpert
In-House Experts

Choose from any of our many bundles that include this product for even more savings!

51HS8_BK82_2SK small

Kicker HS8 (51HS8) w/ Free Amp Install Kit

150W RMS Loaded Single 8 inch Sealed Subwoofer Enclosure with Built-in Amplifier, 8 Gauge Red Wiring Kit, and NVX Foam Can Insulator Sleeve Koozie

(98)

$330.02

List price $419.96

Bundle Savings of $89.94


Loading...
AXLOC-CH5 main

Axxess AXLOC-CH5

2-Channel 110W Line Output Converter with Gain Controller for select 2011-2025 vehicles from Ram, Dodge, Jeep with Non-Amplified Systems

10
-10.48%

$93.99

List price $104.99

95-6511-17 main

Metra 95-6511-17 Dash Kit

Install a new Double-DIN car stereo in select 2007-2020 vehicles from Dodge, Jeep, Chrysler

8
-48.02%

$12.99

List price $24.99

40-EU55 main

Metra 40-EU55

Antenna Adapter for select 2000-2026 vehicles from Audi, Chevrolet, Ram

49
-13.05%

$19.99

List price $22.99

VWA4B main

Scosche VWA4B Antenna Adapter

Connect your factory antenna to a new aftermarket radio for select 2000-2026 vehicles from Audi, Chevrolet, Volkswagen

11
-17.73%

$12.99

List price $15.79

72-6514-12 main

Metra 72-6514-12

Install New Speakers in select 1999-2026 vehicles from Dodge, Ram, Jeep

7
-14.30%

$11.99

List price $13.99

SWRCR-59LV main

Crux SWRCR-59LV Wiring Interface

Install a New Stereo and Retain Steering Wheel Controls and Other Factory Features in select 2014-2022 vehicles from Ram, Jeep

-35.71%

$251.10

List price $390.60

95-6545B main

Metra 95-6545B

Double DIN Stereo Dash Kit for select 2018 Compass

-38.19%

$33.99

List price $54.99

MET-CH6 main

Metra MET-CH6

Install a New Car Stereo and Retain Steering Wheel Controls, Backup Camera and Other Factory Features in select 2014-2023 vehicles from Ram, Jeep, Fiat with Non-Amplified Systems

-10.38%

$94.99

List price $105.99

Limited time!
46CSC6934 main

Kicker CSC693 (46CSC6934)

900W Peak (300W RMS) 6x9” CS Series 3 Way Coaxial 4-ohm Speakers with Integrated Midrange Speakers

40
-30.02%

$111.96

List price $159.99

iLX-W650 main

Alpine iLX-W650

7" Double DIN Touchscreen Digital Multimedia Receiver with Bluetooth, Apple CarPlay and Android Auto (SiriusXM Ready)

123
-5.72%

$329.95

List price $349.95

Product Highlights


• 8" Amplified Loaded Subwoofer System
• 150 watts RMS
• Built-In Class Amplifier
• Variable Bass Boost
• Speaker-Level Inputs
• Wired Remote Bass Level Control

Description


Kicker brand icon

Authorized dealer

General Features:

  • Single 8" Sealed Loaded Subwoofer Enclosure with Built-In Amplifier
  • Power Handling:
    • RMS: 150 watts
  • Built-in amplifier
  • Includes remote bass level controller
  • Sealed Underseat enclosure
  • Velcro-fastened nylon straps for secure installation and fast removal
  • Enclosure Dimensions: 9-3/8" TD x 13-7/8" W x 3-1/8" H
  • Authorized Internet Dealer
  • 2 Year Manufacturer's Warranty

Subwoofer Features:

  • 8" Subwoofer
  • Hideaway Series
  • Frequency Response: 25 - 120 Hz

Amplifier Features:

  • Monoblock Amplifier
  • Quick-connect Molex plug and harness for power, signal and remote turn-on
  • Phase-cancelling switch for maximum output
  • Low-Pass Crossover Frequency: 50 - 120 Hz
  • Bass Boost: 6dB @ 40 Hz
  • Speaker-level (high-level) inputs
  • Input sensitivity: 125 mV - 5 volts

Enclosure Features:

  • 8" Sealed Enclosure
  • Box Finish: Black

Product history:

Kicker 51HS8 thumbnail
(newest, current model)
Kicker HS8 thumbnail
(previous model, replaced by Kicker HS8 (51HS8))

Loading...
BV850ACP main

Boss Elite BV850ACP

6.75" Double DIN Touchscreen Digital Multimedia Receiver with Bluetooth, Apple CarPlay, Android Auto with Backup Camera

5
DMH-1800NEX main

Pioneer DMH-1800NEX

6.8" Double DIN Touchscreen Digital Multimedia Receiver with Bluetooth, Apple CarPlay, Android Auto, and SiriusXM Ready

2
-16.67%

$349.99

List price $420.00

Limited time!
46CSC6934 main

Kicker CSC693 (46CSC6934)

900W Peak (300W RMS) 6x9” CS Series 3 Way Coaxial 4-ohm Speakers with Integrated Midrange Speakers

40
-30.02%

$111.96

List price $159.99

iLX-W650 main

Alpine iLX-W650

7" Double DIN Touchscreen Digital Multimedia Receiver with Bluetooth, Apple CarPlay and Android Auto (SiriusXM Ready)

123
-5.72%

$329.95

List price $349.95

Club 322F main

JBL Club 322F (SPKCB322FAM)

150W Peak (50W RMS) 3.5" Club Series 2 Way Coaxial 3-ohm Speakers

1
-27.29%

$79.95

List price $109.95

DMH-W4660NEX main

Pioneer DMH-W4660NEX

6.8" Double DIN Digital Multimedia Receiver with Bluetooth, Wireless Apple CarPlay, and Android Auto (SiriusXM Ready)

2
-20.00%

$599.99

List price $750.00

CV15BT main

Cerwin-Vega CV15BT

Single Din Digital Media Receiver with Bluetooth

3
SXE-6926S main

Alpine SXE-6926S

280W Peak (90W RMS) 6x9” SXE Series 2-way 4-ohm Coaxial Speakers

13
-20.84%

$56.99

List price $71.99

REF697F main

Infinity REF697F (INFSPKRF697FUS)

600W Peak (200W RMS) 6x9" Reference Series 2-Way Coaxial 4-ohm Speakers

5
-17.65%

$139.95

List price $169.95

PNW-69CS2 main

AudioControl PNW-69CS2

250W RMS 6x9″ PNW Series 2-way 3-ohm Component Speaker System

1
-5.42%

$349.00

List price $369.00


Best selling similar products

51HS10 small

Kicker HS10 (51HS10)

• 10" Amplified Loaded Subwoofer System
• 180 watts RMS
• Built-In Class D Amplifier
• Variable Bass Boost
• Speaker-Level Inputs
• Wired Remote Bass Level Control

(1)

$319.96

List price $429.99

SUBBPSL2AM small

JBL BassPro SL 2 (SUBBPSL2AM)

• 8" Amplified Loaded Subwoofer System
• 125 watts RMS
• Built-In Class D Amplifier
• Variable Bass Boost
• Speaker-Level Inputs
• Wired Remote Bass Level Control

(1)

$379.95

List price $429.95

VPAS12 small

Cerwin Vega VPAS12

• 12" Amplified Loaded Subwoofer System
• 250 watts RMS
• Built-In Class D Amplifier
• Variable Bass Boost
• Speaker-Level Inputs

(15)

$329.99

List price $395.99

PSS-24WRA small

Alpine PSS-24WRA

• Includes two front speakers, two rear soundbar speakers, one amplified subwoofer, one 4-channel amplifier, mounting brackets and wiring harnesses
• Direct fit for a hassle-free installation, fitting perfectly into the select 2019-2023 Wrangler and Gladiator for seamless integration
• System is designed to withstand harsh outdoor environments
• Plug and Play design for easy installation
• Comes with all necessary mounting and installation hardware

$2399.95

List price $2880.00

QBUS8P small

NVX QBUS8P

• Low Profile Ported Subwoofer System
• 150 Watts RMS
• Built-In Class D Amplifier
• Variable Bass Boost
• Speaker-Level Inputs
• Wired Remote Bass Level Control

(9)

$149.99

List price $191.99

PWE-S8-WRA small

Alpine PWE-S8-WRA

• 8" Amplified Loaded Subwoofer System
• For 4-door Wrangler Unlimited models
• 120 watts RMS
• Built-in class D amplifier
• Variable Bass Boost
• Speaker-Level Inputs
• Wired Remote Bass Level Control

(1)

$649.95

List price $780.00

VR10 small

Cerwin-Vega VR10

• Peak Power: 300 watts
• RMS Power: 120 watts
• Impedance: 4 ohm
• Wired remote subwoofer control included
• PWM MOSFET Power Supply

$329.99

List price $347.99

PSS-23WRA2 small

Alpine PSS-23WRA2

• System includes component tweeters, one amplified subwoofer, one 4-channel amplifier
• Direct fit for select 2018-2023 Wrangler (JL) and Gladiator
• Fits perfectly to vehicle with seamless integration
• System is designed to withstand harsh outdoor environments
• Plug and Play design for easy installation
• Comes with all necessary mounting and installation hardware

$1699.95

List price $2040.00

Specifications & Details


Series
Series
Hideaway Series
Amplifier Specifications
Number of Channels
1 - Mono
Maximum Input Gauge Size
8 AWG
Speaker Level Inputs
Yes
Built-in Crossover
Low-Pass (LP)
High-Pass (HP)
High-Pass Crossover Frequency
25 Hz
Low-Pass Crossover Frequency
50 - 120 Hz
Low-Level Input Sensitivity
125 mV - 5 volts
Bass Boost
6dB @ 40 Hz
Remote bass/level controller
Yes
Subwoofer Specifications
Subwoofer Size
8"
RMS Power Handling
150 watts
Frequency Response
25 - 120 Hz
Subwoofer Design
Round / Circle
Enclosure Specifications
Box Type
Sealed
Number of Subwoofers
1
Box Style/Shape
Underseat
Height
3-1/8"
Width
13-7/8"
Depth
9-3/8"
Box Exterior Color
Black
Amplifier Wiring Kit
Is Amplifier Wiring Kit included?
No
Warranty and Return Policy
Parts Warranty Duration
2 years
Labor Warranty Duration
2 years
Warranty Provider
Manufacturer

Item Details


Manufacturer:

Model Number:

51HS8

Weight:

14.10lbs

Internal SKU:

51hs8

Internal Product ID:

205224

Product and How-to Videos


Customer Ratings & Reviews


Kicker HS8 (51HS8) thumbnail image

5 star
0%
4 star
0%
3 star
0%
2 star
0%
1 star
0%



Durability
0
Value
0
Features
0
Design
0
Usability
0

Customer Reviews

Sort by:

Loading...
Sorry, no reviews found


QBUS8P main

NVX QBUS8P

• Low Profile Ported Subwoofer System
• 150 Watts RMS
• Built-In Class D Amplifier
• Variable Bass Boost
• Speaker-Level Inputs
• Wired Remote Bass Level Control

(9)

$149.99

List price $191.99


D4800 small

XS Power D4800

2000W 72 Ah Absorbent Glass Mat (AGM) Battery

(12)

$399.99

List price $469.99

FSWPG65 small

Cerwin-Vega FSWPG65

Universal Water-Resistant Mesh Grille for Most 6.5" Marine Speakers

$99.99

List price $119.99

APS787C small

Prestige APS787C

1-Way Deluxe Remote Start Car Alarm with Keyless Entry and Code Hopping Technology

(10)

$79.95

List price $299.99

APS997C small

Prestige APS997C

2-Way Remote Start Car Alarm with Keyless Entry / Vehicle Security Combo

(12)

$109.95

List price $529.99

CD-IU50V small

Pioneer CD-IU50V

USB and 3.5mm Minjack to iPod Audio and Video Interface Adapter/Cable for Pioneer AVH-P3100DVD

(26)

$29.99

List price $59.99

UW-1 small

Massive Audio UW-1

Speaker Wire to RCA High Level Input for select Massive Audio Amplifiers

(3)

$7.99

List price $9.99

AVIC-6000NEX small

Pioneer AVIC-6000NEX

In-Dash 6.1" DVD/MP3/USB Touchscreen Car Stereo Receiver w/ App Mode, MirrorLink, GPS & CarPlay

(3)

$699.99

List price $1049.99

Related Searches


Save up to 10 different vehicles in your garage
Vehicle
Store
Delete

2004 Dodge Dakota

2018 Jeep Compass

2002 Mazda B4000

2002 Hyundai Sonata

2005 Mercury Sable

2001 Suzuki Vitara

1992 Geo Storm

2014 Audi Q5

2019 BMW X4

1996 Ford Explorer

Add vehicle Clear all vehicles
Where to find vehicle info
Are you sure you want to clear your garage?
This action cannot be undone. Confirm
This page was not designed for products.
If you continue, you will be redirected to a category customized for your vehicle. Continue
Loading...
Identify your vehicle and submodel details
  • Owner's manual
  • Vehicle's insurance card
  • Vehicle registration
  • Vehicle produced after 2005: Inside driver's side door
  • Vehicle produced before 2005: Rear passenger doorjamb, glove box, center console, or engine compartment
Car Info Side Door Icon
Vehicle Registration Icon
Vehicle Insurance Icon

Modern vehicles often require specific brackets, wiring harnesses, and mounting solutions. A fit guide ensures:

  • You see only parts engineered for your exact vehicle
  • You avoid incompatible radios, speakers, or wiring
  • Installation is smoother, faster, and frustration-free
  • You get the correct accessories the first time

Whether you're replacing a factory stereo or upgrading your entire audio system, the Fit Finder eliminates uncertainty.