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Subwoofers

A subwoofer is a loudspeaker which reproduces bass frequencies from about 5 Hz to about 90 Hz. Frequencies 16 Hz or lower are more felt than heard. more...

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So-called subwoofers which reproduce frequencies from about 35 Hz to about 150 Hz are more properly described as bass modules than true subwoofers. It is difficult for small loudspeakers to reproduce frequencies below 40 Hz, especially above 100 dB, and so it is often advantageous to use a loudspeaker dedicated to this task.

Overview

Subwoofers use drivers (woofer) with cones typically coming in 10" or 12" sizes, but can be as large as 34", and as small as 4". Diameter tends to be advantageous because low frequencies involve shifting a great deal of air; a recent trend has been for high excursion, i.e., how far the cone can linearly travel from its resting position; for example, some can move much as 2.5" in or out, yielding an overall displacement of 5" (this is controlled movement range).

Subwoofers are usually powered by a high power amplifier, and often an electronic crossover ensures that higher frequencies will not be directed to the subwoofer.

The need to reproduce these frequencies has increased since older formats, such as vinyl records, have been displaced by digital formats, such as CD, and particularly 5.1 formats such as Dolby Digital, in which the ".1" channel is dedicated solely to the subwoofer. The .1 channel is usually dedicated to extended bass frequencies, for example, the low frequencies of a gunshot, string bass, or thunder. This track is often used aggressively by mixing artists.

Applications

Professional audio

Subwoofers are found in professional applications such as live concerts, movie theatres, various other sound reinforcement applications (ranging from nightclubs to theme restaurants) and studios. Some of these applications require subwoofers designed for very high sound levels, such as the JBL 4645 – certified for THX movie theatres – which uses an 18" driver (woofer). Note that movie theatre speakers (situated behind a perforated screen) typically use 15" drivers (woofers), so the use here is only to reproduce the lowest frequencies at high sound pressure levels.

Large concert sound systems always use subwoofers (referred to as "subs" by the engineers and crew). The bulk of the sound system is usually "flown" (suspended from the ceiling by chain hoists) and the subs are usually stacked on the stage or the ground in front of the stage to the left and right of the performance space.

An unusual example of the use of sub-woofers came with the release of Earthquake in 1974 where they used a system called Sensurround to create a feeling of an earthquake. This was simply a set of large sub-woofers designed to create infra-bass (felt but not heard). Similar systems are used in theme park rides, such as "Days of Thunder," which uses sound to simulate a physical impact.

Read more at Wikipedia.org


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Samsung Q990D 11.1.4ch Wireless Dolby Atmos Soundbar with Subwoofer - GraphiteSamsung Q990D 11.1.4ch Wireless Dolby Atmos Soundbar with Subwoofer - Graphite $999.00 Pioneer Dj Xprs1182S 4000W 18" Powered SubwooferPioneer Dj Xprs1182S 4000W 18" Powered Subwoofer $1,299.00
Sound Storm Laboratories Pb8 8” 400 W Powered Car 400 Watt Subwoofer & AmpSound Storm Laboratories Pb8 8” 400 W Powered Car 400 Watt Subwoofer & Amp $92.02 Lase Lf18-3600 18" Low Frequency 8 Ohm Woofer Speaker w/ 4.5" Voice Coil.Lase Lf18-3600 18" Low Frequency 8 Ohm Woofer Speaker w/ 4.5" Voice Coil. $289.00
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Lase 18 Sound 12Mb1000 -600W Rms at 8Ω High Output Mid-Bass Woofer SpeakerLase 18 Sound 12Mb1000 -600W Rms at 8Ω High Output Mid-Bass Woofer Speaker $325.00 Pyle 6.5" 300 Watt Car Mid Bass/Midrange Subwoofer Sub Power Speaker (Open Box)Pyle 6.5" 300 Watt Car Mid Bass/Midrange Subwoofer Sub Power Speaker (Open Box) $18.53
Sound Town 2400W 18" Powered Subwoofer with High-Pass Filter (Metis-18Pwg)Sound Town 2400W 18" Powered Subwoofer with High-Pass Filter (Metis-18Pwg) $312.79 (2) New Rockville Sbg1128 12" 1200 Watt Passive Pro Dj Subwoofers Subs(2) New Rockville Sbg1128 12" 1200 Watt Passive Pro Dj Subwoofers Subs $234.90
Proreck Complete 1500W Dual 12" Car Subwoofer Amplifier Rca Input Speaker SystemProreck Complete 1500W Dual 12" Car Subwoofer Amplifier Rca Input Speaker System $188.99 Pyle Bluetooth Pa Speaker & Amplifier Mixer System, 8-Ch Audio Pphp898MxPyle Bluetooth Pa Speaker & Amplifier Mixer System, 8-Ch Audio Pphp898Mx $329.99
Jbl BassPro Go Powered subwoofer (100-watt Rms amplifier) and built-in bluetoothJbl BassPro Go Powered subwoofer (100-watt Rms amplifier) and built-in bluetooth $349.00 Gravity G12Bd 12" Active Powered Car Subwoofer+Sub Enclosure Bandpass SubwooferGravity G12Bd 12" Active Powered Car Subwoofer+Sub Enclosure Bandpass Subwoofer $129.99
Philips Soundbar Tapb603 Bluetooth 6000 Series 3.1 Soundbar Subwoofer - Open BoxPhilips Soundbar Tapb603 Bluetooth 6000 Series 3.1 Soundbar Subwoofer - Open Box $139.95 Sound Storm Laboratories Us10K 10” 1000 W Powered Car Subwoofer - Dual 4 OhmSound Storm Laboratories Us10K 10” 1000 W Powered Car Subwoofer - Dual 4 Ohm $115.99
Gearzaar* 10' Car Under-Seat Active Subwoofer Power Amplifier Bass Slim SpeakerGearzaar* 10' Car Under-Seat Active Subwoofer Power Amplifier Bass Slim Speaker $65.99 Peavey Pro 18 Woofer (18" - 8 ohm)Peavey Pro 18 Woofer (18" - 8 ohm) $153.99
Replacement Qsc 18" 1000-Watt 8 Ohms Sub Woofer Speaker For Qsc Hpr181 SeriesReplacement Qsc 18" 1000-Watt 8 Ohms Sub Woofer Speaker For Qsc Hpr181 Series $319.99 10inch Woofers Slim Under-Seat Active Powered Car Subwoofer Sub W/Amp Kit 800W10inch Woofers Slim Under-Seat Active Powered Car Subwoofer Sub W/Amp Kit 800W $89.99
Pioneer Tswx1220Ah 1200w Active SubwooferPioneer Tswx1220Ah 1200w Active Subwoofer $352.78 Lg 4.1 ch Soundbar with Wireless Subwoofer and Rear SpeakersLg 4.1 ch Soundbar with Wireless Subwoofer and Rear Speakers $196.99
9000W Bluetooth Speaker Dual 10" Subwoofer Heavy Bass Sound System Party & Mic9000W Bluetooth Speaker Dual 10" Subwoofer Heavy Bass Sound System Party & Mic $179.99 Rockville Titan Slim D8 Black Powered Dual 8" Pro Dj Pa Subwoofer Deep Bass SubRockville Titan Slim D8 Black Powered Dual 8" Pro Dj Pa Subwoofer Deep Bass Sub $279.95
Car Audio Dual 12" Vented Subwoofer Stereo Sub Box Ported Enclosure SpeakerCar Audio Dual 12" Vented Subwoofer Stereo Sub Box Ported Enclosure Speaker $61.95 Klipsch R-120Swi 12" High-Performance Wireless Subwoofer Speaker - New AuthenticKlipsch R-120Swi 12" High-Performance Wireless Subwoofer Speaker - New Authentic $139.99
Replacement Speaker Jbl M112-8 Woofer For Jrx 112 Series Cabinets, 12" 8 ohmsReplacement Speaker Jbl M112-8 Woofer For Jrx 112 Series Cabinets, 12" 8 ohms $109.99 Portable Bluetooth Stereo Speaker, with 2x5W Acoustic Drivers, Dual SubwooferPortable Bluetooth Stereo Speaker, with 2x5W Acoustic Drivers, Dual Subwoofer $29.99
10' 220W Slim Under-Seat Active Car Subwoofer Hi-fi Speaker Sub Amp Box10' 220W Slim Under-Seat Active Car Subwoofer Hi-fi Speaker Sub Amp Box $73.99 10" 600W Slim Under-Seat Subwoofer Powered Car Truck Sub w/ Amp Kit Speaker Un10" 600W Slim Under-Seat Subwoofer Powered Car Truck Sub w/ Amp Kit Speaker Un $64.99
Peavey 1808-8 Sps Bwx (18" Woofer - 8 ohm)Peavey 1808-8 Sps Bwx (18" Woofer - 8 ohm) $299.99 Pyle 6.5" Single Voice Coil 150W 4-Ohm Car Audio SubwooferPyle 6.5" Single Voice Coil 150W 4-Ohm Car Audio Subwoofer $20.99
Bestisan 6.5’’ Powered Home Audio Subwoofer with Deep Bass in Black Sw65DBestisan 6.5’’ Powered Home Audio Subwoofer with Deep Bass in Black Sw65D $56.99 Jbl BassProHub 11" Class D Spare Tire Subwoofer w/ 200W Rms Amplifier and RemoteJbl BassProHub 11" Class D Spare Tire Subwoofer w/ 200W Rms Amplifier and Remote $299.00
Dual Loudspeaker Sound Package, 8' Subwoofers, Bluetooth, 2 Speaker StandsDual Loudspeaker Sound Package, 8' Subwoofers, Bluetooth, 2 Speaker Stands $181.99 Cambridge Audio Minx X201 Subwoofer (Black) - Open BoxCambridge Audio Minx X201 Subwoofer (Black) - Open Box $339.00
Replacement 18" Woofer Yorkville 7420,7459 for Ls608, Ls800P, Ls801P Speaker 8ΩReplacement 18" Woofer Yorkville 7420,7459 for Ls608, Ls800P, Ls801P Speaker 8Ω $199.00 10' 800W Slim Under-Seat Subwoofer Active Powered Car Truck Sub w/ Amp Kit10' 800W Slim Under-Seat Subwoofer Active Powered Car Truck Sub w/ Amp Kit $89.99
Samsung B-Series 4.1.Ch Soundbar & Rear Speakers with Subwoofer (Hw-C47M/Za)Samsung B-Series 4.1.Ch Soundbar & Rear Speakers with Subwoofer (Hw-C47M/Za) $169.96 proreck Pr18 18' 2000W Active Powered Subwoofer Pro For stage Djproreck Pr18 18' 2000W Active Powered Subwoofer Pro For stage Dj $323.99
Custom Chevy Ck Ext Cab 88-98 Truck Dual 12" Subwoofer Sub Bass Speaker Box NewCustom Chevy Ck Ext Cab 88-98 Truck Dual 12" Subwoofer Sub Bass Speaker Box New $139.95 Pyle 10" Dual Series Vented Enclosed Powered Subwoofer SpeakerPyle 10" Dual Series Vented Enclosed Powered Subwoofer Speaker $137.99
Powerful Tv Sound Bar Home Theater Subwoofer Soundbar Bluetooth Wireless SpeakerPowerful Tv Sound Bar Home Theater Subwoofer Soundbar Bluetooth Wireless Speaker $36.55 Pyle Plg64 6.5" 300 Watt Car Mid Bass/Midrange Subwoofers Sub Power Speakers (2)Pyle Plg64 6.5" 300 Watt Car Mid Bass/Midrange Subwoofers Sub Power Speakers (2) $42.69
Lanzar Maxp104D 10" 1200 Watt Dvc WooferLanzar Maxp104D 10" 1200 Watt Dvc Woofer $48.93 Pyle 3.5in Single Voice Coil 10W 4-Ohm Car Audio Subwoofer Pp Cone - BlackPyle 3.5in Single Voice Coil 10W 4-Ohm Car Audio Subwoofer Pp Cone - Black $15.99
Proreck 1500W Pr-122M dual 12" Car Subwoofer suitable for carProreck 1500W Pr-122M dual 12" Car Subwoofer suitable for car $188.99 Pyle Plpw6D 6 Inch 600 Watt Dual 4 Ohm Car Audio Stereo Speaker Subwoofer, BlackPyle Plpw6D 6 Inch 600 Watt Dual 4 Ohm Car Audio Stereo Speaker Subwoofer, Black $54.99
Kicker 41Kmlc Led Rgb Light Remote Controller Km Marine Speakers Subwoofers KmlcKicker 41Kmlc Led Rgb Light Remote Controller Km Marine Speakers Subwoofers Kmlc $39.95 Pyle 15” 2000W Car Subwoofer – Dual Voice Coil, 4 Ohm, Foam SurroundPyle 15” 2000W Car Subwoofer – Dual Voice Coil, 4 Ohm, Foam Surround $38.49
Proreck Sp-12X 1000W Active Powered Dj Subwoofer For StageProreck Sp-12X 1000W Active Powered Dj Subwoofer For Stage $221.99 5Core 6.5 Inch Car Subwoofer Dual 4Ohm 1000W Speaker Sub Woofer Driver Aluminum5Core 6.5 Inch Car Subwoofer Dual 4Ohm 1000W Speaker Sub Woofer Driver Aluminum $54.99
Pioneer Ts-Wx1210Ah 12 inch 1500W Car SubwooferPioneer Ts-Wx1210Ah 12 inch 1500W Car Subwoofer $275.00 Boss Audio Systems Bab10 10” 1200 W Powered Under Seat Car SubwooferBoss Audio Systems Bab10 10” 1200 W Powered Under Seat Car Subwoofer $126.69
5Core 6.5 Inch Subwoofer speaker 300Watt Car audio 4Ohm Replacement Sub Woofer5Core 6.5 Inch Subwoofer speaker 300Watt Car audio 4Ohm Replacement Sub Woofer $23.99 Pyle 8 Inch 1600W Dvc 4 Ohm Car Audio Subwoofer Speaker Set, Black (2 Pack)Pyle 8 Inch 1600W Dvc 4 Ohm Car Audio Subwoofer Speaker Set, Black (2 Pack) $55.39
Origin Acoustics Dsub8 Director Series Addition Port Tuned Box SubwooferOrigin Acoustics Dsub8 Director Series Addition Port Tuned Box Subwoofer $1,200.00 Pyle 15-Inch 2000W Single 4Ohm Subwoofer Audio Bass Speaker Pair Plpw15DPyle 15-Inch 2000W Single 4Ohm Subwoofer Audio Bass Speaker Pair Plpw15D $109.99
Rockville Rtb65A 6.5" 300w Powered Active Car Subwoofer Bass Tube + Mp3 InputRockville Rtb65A 6.5" 300w Powered Active Car Subwoofer Bass Tube + Mp3 Input $64.95 2004-08 Toyota Solara Jbl Subwoofer 86150-06010 Speaker New in Box Nos2004-08 Toyota Solara Jbl Subwoofer 86150-06010 Speaker New in Box Nos $354.20
Bestisan 6.5’’ Subwoofer, Powered Home Audio Sub woofer with Deep Bass Sw65CBestisan 6.5’’ Subwoofer, Powered Home Audio Sub woofer with Deep Bass Sw65C $69.99 600W Slim Under-Seat Subwoofer Powered Car Truck Sub w/ Amp Kit Speaker 8 "600W Slim Under-Seat Subwoofer Powered Car Truck Sub w/ Amp Kit Speaker 8 " $55.92
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Prices current as of last update, 03/27/25 11:50am.

See also...
JBL Subwoofers, Subwoofers, Speakers & Subwoofers
Other Brands, Subwoofers, Speakers & Subwoofers
Sony Subwoofers, Subwoofers, Speakers & Subwoofers

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