Best Flat Subwoofer 2022 – Reviewed By Users

We’re here to take the headache out of shipping online. We’ve gone through all of the user reviews and have come up with our roundup to help make your choice easier. With so many options available to consumers, it’s more important than ever to have a list that you can trust!

The Best Flat Subwoofer – Our Official Roundup

1
Monoprice - 135847 Ssw-12 Powered Slim Subwoofer - 12 Inch - Black with Ported Design, 150 Watts, Lowprofile Includes On-Wall Mounting Brackets
114 Reviews
Monoprice - 135847 Ssw-12 Powered Slim Subwoofer - 12 Inch - Black with Ported Design, 150 Watts, Lowprofile Includes On-Wall Mounting Brackets
  • Slim, low profile: the Monoprice ssw-12 features a ported cabinet that's designed to deliver ample bass output from a slim, low profile enclosure. You can slide it 7.0" Under your favorite chair or sofa, place it behind your TV stand, or even mount it on your living room wall.
  • 12" Ported design: the ssw-12 features a full-sized 12" Woofer housed in a ported, bass-reflex enclosure that is designed to maximize bass output from its slim, low profile design. With a frequency response that extends down to 20Hz, you won't have to skimp on the bass.
  • Powerful amplifier: the ssw-12 is outfitted with a 150-watt amplifier signed specifically for subwoofers. It features the ability to set volume, low pass filter, and is equipped with both line level RCA jacks and speaker level terminal inputs.
  • Service & support: Contact our technical support team for questions about our products, troubleshooting, or even Suggestions for products to fit your particular needs.
  • Quality at a fair price: Monoprice rugged design and rigid quality control standards deliver high quality products at fair prices.
Sale2
BLAUPUNKT GTHS131 200W 10" CAR Under SEAT Super Slim Powered SUBWOOFER Enclosed
  • Built-in MOSFET 200 W max. monaural amplifier
  • Built-in variable Crossover (50-150Hz).
  • Low Pass Filter for DVD 5. 1
  • Compact Hideaway Size (2. 5" Tall)
  • Perfect for - Saving space, Convertibles, Cargo vehicles, Speaker, and RCA level inputs
3
Alphasonik AS10DF 10" 1200 Watts 4-Ohm Down Fire Shallow Mount Flat Enclosed Sub woofer for Tight Spaces in Cars and Trucks, Slim Thin Loaded Subwoofer Air...
  • 10" Shallow Subwoofer Down-Fire Sealed Enclosure
  • Peak: 1200 watts | RMS: 400 watts
  • Impedance: 4 Ohm | Frequency Response: 30Hz - 500Hz | Sensitivity: 95dB
  • Spun Aluminum Cone | Rubber EPDM Surround | Copper Wound Kapton Voice Coil | MDF Construction
  • Dimensions: 18.7" W x 6.1" H x 12.2" D
4
Alphasonik AS12DF 12" 1500 Watts 4-Ohm Down Fire Shallow Mount Flat Enclosed Sub woofer for Tight Spaces in Cars and Trucks, Slim Thin Loaded Subwoofer Air...
  • Power Rating: 500 Watts RMS / 1500 Watts Max
  • Cone Material: Spun Aluminum Cone | Surround Material: High Strength Rubber EPDM Enhanced Surround
  • Final Impedance: 4-Ohm | Copper Wound Kapton Voice Coil | Push Type Terminals
  • Sensitivity: 92dB | Frequency Response: 26Hz - 500Hz
  • Enclosure Dimensions: 20.47" x 6.7" x 14.1" / 520mm x 170mm x 358mm
5
Planet Audio Px12 Axis Series Single Voice-Coil Flat Subwoofer (12', 1,000 Watts) (PX12)
32 Reviews
Planet Audio Px12 Axis Series Single Voice-Coil Flat Subwoofer (12", 1,000 Watts) (PX12)
  • Planet Audio PX12 AXIS12 inch SINGLE Voice Coil (4 Ohm) 1000-watt Subwoofer
  • One 12" Woofer with SINGLE 4 ohm 2" Copper Voice Coil
  • 1000 Watts MAX 500 Watts RMS Power Handling
  • 95dB Sensitivity, 35 Hz Resonant Frequency
  • Poly Injection Cone and Rubber Surround
6
Boss 10 Inch 800W Shallow Slim Car Audio Subwoofer Power Sub Woofer Flat D10F
33 Reviews
Boss 10 Inch 800W Shallow Slim Car Audio Subwoofer Power Sub Woofer Flat D10F
  • 800 watt total power handling
  • 400 watt RMS power handling
  • Poly injected metallic cone with foam surround
  • Magnet structure: 60 oz
  • 2 inch aluminum voice coil
7
KICKER 47TRTP122 Down-Firing 12" CompRT 2-Ohm Enclosure
  • ONE 12" thin-mount CompRT subwoofer and a high-output reFLEX passive radiator which intensifies bass output
  • Easily mounts in cargo area with no space issues, and resists stacking weight
  • Minimal mounting depth without sacrificing musical punch
  • Active, thin-mount CompRT subwoofer
  • True, hard-hitting KICKER bass from a shallow-mount design
8
Theater Solutions SUB8S 250 Watt Surround Sound HD Home Theater Slim Powered Active Subwoofer (Black)
  • SLIM HOME THEATER POWERED SUBWOOFER - Standard RCA inputs easily connect to your home theater receivers dedicated Subwoofer Output. Save power with the added Signal Sensing Auto ON/OFF feature, slim 4.75" height fits under or behind most furniture
  • 250 WATTS PEAK POWER - Integrated high efficiency power amplifier, 35 - 150 Hz at 8ohm with 24dB per Octave Crossover, Auto ON/OFF and 0 - 180 degree Phase control switches, Gain and 40 - 150 Hz Crossover control knobs
  • 8 INCH DOWN FIRING WOOFER - High efficiency Low Frequency woofer with high rigidity PVA Treated cone, bottom slotted port, Bass Reflex cabinet design with vibration absorbing feet, high quality MDF with added internal bracing and black ash finish
  • SYSTEM REQUIREMENTS - Standard US 110V grounded wall plug, any home theater receiver with dual or single RCA dedicated Subwoofer passive output, home receiver or stereo with raw wire outputs. Use for home theater and surround sound systems
  • WHAT'S IN THE BOX - Theater Solutions by SUB8S powered subwoofer, 6 foot dual RCA cable, RCA "Y" adapter, stand mounts, wall mount with hardware, instruction manual - Standing sub with feet size is (H x W x D) 4.75" × 25" × 16" - NOT LFE Compatible
9
Sonos Playbar - The Mountable Sound Bar for TV, Movies, Music, and More - Black
1,956 Reviews
Sonos Playbar - The Mountable Sound Bar for TV, Movies, Music, and More - Black
  • The mountable soundbar for TV, movies, music, and more
  • Enjoy crisp dialogue and impressive bass from wall to wall with Playbar. Control it with the Sonos app, your remote, and more
  • Whether you mount it on the wall or place it below your TV on a stand or console, Playbar automatically tunes itself for the best possible sound
  • Playbar was specially tuned by Oscar-winning sound engineers to emphasize the sound of the human voice so you can always follow the story
  • Easily connect Sonos speakers in different rooms over WiFi to create a home sound system that brings every room and everyone together
10
KICKER CompRT 12"(30cm) subwoofer in Thin Profile encl, 2ohm, RoHS Compliant
  • Active thin-mount CompRT Subwoofer paired with passive ReFLEX sub for deep bass
  • CompRT features Forced-Air Cooling - 20% cooler for increased reliability
  • Compact enclosures with tough MDF construction for behind or under the seat

What To Know Before Shopping For The Best Flat Subwoofer

Our Preferred Shopping Partner – You’ll notice that as you click on the products on our lists that youll be taken to the largest online retailer in the world. We chose Amazon as our product partner because of it’s brand recognition, and great customer service. You wont have to worry about getting an inauthentic Flat Subwoofer when you purchase through our website. 

Pricing – We always consider pricing, and work to provide you the best seling items, at the best prices, however we do not control the prices of items on our shopping partners. We work to make it easy for you to click through and find the latest, most up to date prices. 

Consider Your Specific Application – Make sure that you are shopping for your specific needs. What is best for one person may not always be best for you. Don’t let a lower price on an item put you off, if that item has the features and design that are best suited for you. 

Ratings and Reviews – Sorting through hundreds of reviews is both time consuming, and taxing! We’ve already done that, and taken the tough work out of shopping so that you are left with a list of the best selling, best reviewed Flat Subwoofer to choose from. You can also easily click through and see al of the reviews on our shopping partner’s website 

How To Chose The Right Flat Subwoofer For You

There’s a ton of choices for just about anything you shop for, so what should you actually be considering? In addition to the aforementioned attention to your specific needs, there’s really only a few considerations – price, quality/dependibility, and the reviews of your peers. If you can find items that meet your needs, are priced in your range, and have reviews that showcase the quality, then you should feel confident in making your purchase!

Is Buying a Flat Subwoofer Really Worth It?

The one thing we can’t do, is choose for you. We feel that if an item made one of our lists, it has merit as something that is “worth it”, as long as it meets your needs, and fits inside your pricerange. We’re here to give you the best possible choices, and while we feel it’s definitely worth it, we want you to as well. 

Is The Most Expensive Flat Subwoofer Always The best?

We covered a bit of this earlier, and the answer is no, because often, there is no “best”, but only a “best” for you! You need to decide which product has the best chance of making your life easier and meeting your needs, regardless of price. 

Wrapping Up

Our goal is simply to help you make better shopping choices, and we hope that our list and advice do just that. We are here to empower you, the consumer, with the right knowledge, and the right items to get the job done. We’re here to be the expert in your corner and hope to be able to provide you with an excellent shopping experience. If there is anything we can do to make your life easier, please let us know!