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Kicker 51HS8 Hideaway Powered Subwoofer vs Kicker PL7TDF Powered 12" Down-Firing Subwoofer

The Hideaway HS8 is the one to buy if you want bass without giving up cargo space. It fits under or behind a seat, weighs 9.4 lbs, and runs off a 150-watt Class D amp with a sealed aluminum enclosure. The PL7TDF is the step up for anyone who wants real output: a 12-inch square L7T sub on 600 watts RMS in a factory-tuned down-firing box, rated 4.8 out of 5 by 44 owners. The HS8 adds depth and punch to a factory system; the PL7TDF changes how the whole system sounds.

  • Choose the Hideaway HS8 if you need bass that hides under a seat, keeps your trunk, and installs with basic tools.
  • Choose the PL7TDF if you have the room for a 24-inch-wide box and want deep, hard-hitting bass at higher volume.

Prices

  • Kicker 51HS8 Hideaway Powered Subwoofer: $288.94 at Walmart (checked today)
  • Kicker PL7TDF Powered 12" Down-Firing Subwoofer: $599.99 at Best Buy (checked today)
  • Difference: the Kicker 51HS8 Hideaway Powered Subwoofer is $311.05 cheaper than the Kicker PL7TDF Powered 12" Down-Firing Subwoofer today
Kicker
Kicker 51HS8 Hideaway compact powered subwoofer with 8" sub and 150-watt amp

Kicker 51HS8 Hideaway Powered Subwoofer

Kicker 51HS8 Hideaway compact powered subwoofer with 8" sub and 150-watt amp

5(1 rating)
$288.94at WalmartObserved at 5:14 PM
See all prices and details
Visit Walmart
Pros
  • Fits under or behind a seat
  • All-aluminum sealed enclosure is tough and light
  • Plug-and-play harness works with almost any factory or aftermarket head unit
  • Remote bass knob included
Cons
  • 150 watts limits output at highway speed
  • No quick disconnect for easy removal
  • 8-inch driver moves less air than a 12
Kicker
Kicker PL7TDF 53pl7tdf12 Powered Down-Firing 12" Enclosure

Kicker PL7TDF Powered 12" Down-Firing Subwoofer

Kicker PL7TDF 53pl7tdf12 Powered Down-Firing 12" Enclosure

4.8(44 ratings)
$599.99at Best BuyObserved at 5:05 PM
See all prices and details
Visit Best Buy
Pros
  • 600 watts RMS drives a 12-inch square L7T sub
  • Down-firing layout protects the woofer and tightens bass
  • Quick-connect plug makes it easy to pull out
  • Rated 4.8 out of 5 by 44 owners
Cons
  • Takes up most of a small trunk
  • Heavy box that needs secure mounting
  • Draws enough current to need a solid power run

What separates them

Kicker 51HS8 Hideaway Powered SubwooferKicker PL7TDF Powered 12" Down-Firing Subwoofer
Footprint9-3/8 x 3-1/8 x 13-7/8 in, 9.4 lbs23.87 x 7.87 x 15 in, down-firing box
Power150 W RMS, Class D600 W RMS, 1200 W peak
Woofer8-inch round aluminum cone, Santoprene surround12-inch L7T square shallow sub
MountingVelcro, nylon straps, and hardware for under-seat or cargo-area placementDown-firing design protects the sub and loads bass into the floor
RemovabilityWired in; no quick disconnectQuick-connect power plug lets you lift it out for cargo space
ControlsRemote bass, 0/180 phase, 50-120 Hz low-passRemote bass, 0/180 phase, 50-120 Hz low-pass, gain
Frequency response25-120 Hz25-120 Hz
Electrical demandLight draw, works with a stock charging systemNeeds a stout power feed and three 30A fuses; start/stop compatible

Price history

$599.99$288.94
Nov 2Nov 9
  • Kicker 51HS8 Hideaway Powered Subwoofer: lowest $288.94 on Nov 2 at Walmart; $288.94 on Nov 9.
  • Kicker PL7TDF Powered 12" Down-Firing Subwoofer: lowest $599.99 on Nov 3 at Crutchfield; $599.99 on Nov 9.

Prices at every store

Kicker 51HS8 Hideaway Powered Subwoofer

  • CrutchfieldNew

    In stock

    $329.99Free shippingObserved at 5:14 PM
    Visit Crutchfield
  • TargetNew

    In stock

    $329.99Free shippingObserved at 5:14 PM
    Visit Target
  • WalmartNew

    Availability unknown

    $288.94Observed at 5:14 PM
    Visit Walmart
  • Pro Audio CenterNew

    Availability unknown

    $329.97Observed at 5:14 PM
    Visit Pro Audio Center

Also available at

  • World Wide StereoCheck price at World Wide Stereo
  • trailseven.comCheck price at trailseven.com
  • eBayCheck price at eBay

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All 9 stores and price history →

Kicker PL7TDF Powered 12" Down-Firing Subwoofer

  • CrutchfieldNew

    In stock

    $599.99Free shippingObserved at 5:05 PM
    Visit Crutchfield
  • WalmartNew

    In stockSold by World Wide Stereo (Authorized)

    $599.99Free shippingObserved at 5:05 PM
    Visit Walmart
  • Best BuyNew

    Availability unknown

    $599.99Free shippingObserved at 5:05 PM
    Visit Best Buy
  • TargetNew

    Availability unknown

    $599.99Free shippingObserved at 5:05 PM
    Visit Target
All 14 stores and price history →

Specs compared

SpecKicker 51HS8 Hideaway Powered SubwooferKicker PL7TDF Powered 12" Down-Firing Subwoofer
Amplification TypeClass DActive
Impedance4 Ohm2 ohms
Enclosure TypeSealedSealed
ColorBlackBlack
size812 inches diameter
RMS Output150 W (14.4V)—
Maximum Output150W—
Channels1 - Mono—
Speaker TypeSubwoofer—
Sensitivity125mV-5V (Low level)—
Audio HighlightsPhase switch (0°/180°)—
BluetoothNo—
Show all 40 specsShow fewer specs
SpecKicker 51HS8 Hideaway Powered SubwooferKicker PL7TDF Powered 12" Down-Firing Subwoofer
Connectivity TypeWired—
Ports & InterfacesPreamp outputs (receiver)—
Control MethodRemote bass—
Vehicle TypeCar—
Automobile ModelHS8—
Compatible DevicesNearly any factory or aftermarket head unit—
Weight9.4 lbs—
Depth13-7/8 in—
Height3-1/8 in—
Width

What reviewers say

Kicker 51HS8 Hideaway Powered Subwoofer

Owners of compact powered subs like the Hideaway line generally praise the small footprint and the added low end for the size. Complaints tend to focus on output limits and the wired remote.

What people mention
  • SizePraisedOwners like that it tucks under or behind a seat without eating trunk space.
  • Bass outputMixedIt adds real low end for an 8-inch powered unit, but bass-heavy listeners want more.
  • BuildPraisedThe aluminum enclosure and cone feel solid and resist flex.
  • ControlsMixedThe phase switch and crossover are useful, but the bass knob is wired only.

Kicker PL7TDF Powered 12" Down-Firing Subwoofer

  • 4.8 / 544 ratings

Owners rate it highly, with 4.8 out of 5 from 44 ratings. Most praise the output for its size and the convenience of an all-in-one powered box. Complaints are limited but center on placement and setup.

What people mention
  • Bass outputPraisedOwners say it hits hard for a single 12 and fills a truck cab or SUV easily.
  • InstallationPraisedBuyers like that the amp is built in, cutting wiring and setup work.
  • PlacementMixedDown-firing protects the sub, but some say it sounds boomy on thick carpet or when wedged against a seat.

Questions and answers

Which is better for a small car or truck?
The Hideaway HS8. It is under 4 inches tall and 14 inches long, so it tucks under a seat or against a cargo wall. The PL7TDF needs about 2 feet of width and 15 inches of depth.
Which hits harder?
The PL7TDF. A 12-inch square sub on 600 watts moves far more air than an 8-inch on 150 watts. The HS8 adds fill and punch; the PL7TDF delivers the low end you feel.
Which lasts longer?
Both are sealed Kicker enclosures built to take car temperatures. The PL7TDF's down-firing layout shields its woofer from cargo, which helps in a loaded trunk. The HS8's aluminum frame resists dents and scuffs.
Is the PL7TDF worth stepping up to?
Yes, if you have the space and want serious output. If you need your trunk or have a stock electrical system, the HS8 is the smarter fit.
Can I keep my factory radio with either?
Yes. The HS8 ships with a preamp signal adapter and high-level inputs. The PL7TDF takes speaker-level or RCA input and includes a remote bass knob.
Do either need extra charging upgrades?
The HS8 runs fine on a stock electrical system. The PL7TDF's 600-watt amp pulls real current, so plan on a proper gauge power wire and check your alternator.

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More comparisons

  • Kicker 51HS8 Hideaway compact powered subwoofer with 8" sub and 150-watt amp vs JBL BassPro Hub Subwoofer
  • JBL BassPro Hub Subwoofer vs Kicker PL7TDF 53pl7tdf12 Powered Down-Firing 12" Enclosure
  • Kicker 51HS8 Hideaway compact powered subwoofer with 8" sub and 150-watt amp vs Alpine PWE-S8 Compact powered subwoofer with 8" sub and 120-watt amp
  • JBL BassPro 12 vs Kicker 51HS8 Hideaway compact powered subwoofer with 8" sub and 150-watt amp

Buying guides that pick them

  • Best powered car subwoofer enclosures
9-3/8 in
—
Installation TypeSecure installation, Plug-and-play—
Hardware IncludedVelcro, Mounting hardware, Nylon straps, Power …—
MaterialSantoprene (woofer surround), Aluminum cone (wo…—
FinishAluminum—
Subwoofer size8, 20—
RMS power150—
Frequency response25-120—
Crossover12dB/octave low pass at 50-120Hz; 24dB/octave h…—
Phase switch0°/180°—
Input sensitivityLow level – 125mV-5V; High level – 250mV-10V—
KickEQ boostvariable to +6dB @ 40Hz—
Remote bassincluded—
Box depth13-7/8, 35.2—
Box height3-1/8, 7.94—
Box width9-3/8, 23.8—
Speaker Mounted in BoxNo—
ConnectionsSpeaker Connection—
Impedance (ohm)2.0—
  • BuildPraisedThe sealed box and internal bracing feel solid and resist flex.