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Speakers & Subwoofers

Speakers & Subwoofers Article

A loudspeaker, speaker, or speaker system is an electromechanical transducer that converts an electrical signal into sound. The term loudspeaker can refer to individual devices (or drivers), and complete systems consisting of an enclosure incorporating one or more drivers and additional electronics. Loudspeakers are the most variable elements in any audio system, and are responsible for marked audible differences between otherwise identical sound systems. Loudspeaker performance (i.e., their accuracy in reproducing a signal without adding distortion) is significantly poorer than that of other audio equipment. For example, harmonic distortion in a typical loudspeaker can be 100 to 1000 times greater than that of amplifiers. The frequency response of a loudspeaker is often referenced as being within 3 dB of perfect linearity (though many speaker designs fall far outside this range), whereas an amplifier may vary less than 0.1 dB.

To reproduce a wide range of frequencies, most loudspeaker systems require more than one driver, particularly for high sound pressure level or high fidelity applications. Individual drivers are used to cover different frequency ranges. The drivers are named subwoofers, for very low frequencies; woofers, for low frequencies; midranges, for middle frequencies; tweeters, for high frequencies; and supertweeters, for very high frequencies. An electronic filter called a crossover separates the incoming signal into different frequency bands appropriate for each driver. A loudspeaker system with 'N' separate frequency bands is described as an "N-way speakers": 2 way system will have woofer and tweeter sections; a 3-way system a combination of woofer, tweeter, and mid-range speakers, and so on.


Speakers & Subwoofers Items

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DUAL 10 INCH 375 WATT CAR SUBWOOFER NEW

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JBL L820 4-Way 6" Mirror-Image Wall-Mount Speaker

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SET OF 2 AIWA SPEAKERS FOR HOME SYSTEM

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STREEM HT-500 Home Audio Speakers 5-PC Home Theater 5YR

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JBL SP5 2-way 5" In-wall Loud Speaker

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SONY AIR-SA10 WIRELESS HOME THEATER SPEAKER SYSTEM NEW

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Infinity PC350 3-Way Dual 5.25" Center Channel Speaker

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Bose Acoustimass 3 – Series 3 Speaker System

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Led 2000W 5.1 Home Theater Speaker For PS2/Xbox 360/Wii

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STREEM RW-500 Home Audio Floor Standing Speakers 5 YEAR

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2 New Acoustic Audio HD In-Wall Subwoofers 300W Subs NR

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NEW SONY SS-WS71 DAV-HDZ235 PASSIVE SUBWOOFER SUB BLCK

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NEW Altec Lansing 3-Piece Speaker System w/Remote - ...

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INNAX* 4.1 Computer PC Audio Speakers W/Subwoofer New*

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STREEM SR-490 Home Audio Bipole Surround Sound Speakers

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NEW ARTDIO NB-005B 2.0 True USB Speaker (Black)

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2 New Rear Surround Sound Speaker System Acoustic Audio

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NEW JVC SX-XSW682 6PCS HOME THEATER SPEAKER SYSTEM +SUB

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New AVIA 5.1 DHT660 Home Theater Sound System

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Bose Acoustimass Double Cube Redline Speakers

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NEW Cyber Acoustics CA-4400WB Multimedia Speaker System

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STREEM SR-290 Home Audio Surround Sound Speakers 5 YEAR

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Black Single Cube Bose Speaker

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DCM Time Frame TimeFrame TF-400 Speakers Nice! Oak

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New 6.5" In Wall Ceiling Surround Sound Speakers 8TS65W

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NEW Polk Audio R300 Floor Standing Speakers BLACK -Pair

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Surround Speaker System Home Theater 5.1 Sound System

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Infinity P362 3Way Dual 6.5" Floorstanding Loud Speaker

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New Pair Pyle Wakeboard Speakers Wake board Tubbies

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STREEM RW-120 Home Audio Center Channel Speaker 5 YEAR

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6 JBL Satellite Surround Speakers 160SI No Reserve

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NEW TIC TFS6CN Mid-range Outdoor Speaker TF-S6CN

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4 New 6.5” In-Wall Speakers Acoustic Audio LC265i FS NR

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STREEM RW-440 Home Audio Bipole Surround Sound Speakers

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New Rock Landscape Speaker Outdoor Marine Boat Pool Spa

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JBL HLS410 Bookshelf Speakers Bass Reference 100W NR!

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JBL SUB12 Powered Venue Series Subwoofer 500watt Peak

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JBL BALCONY 2-way Wall Mount Bookshelf Speakers (pair)

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Infinity CS80R 2-Way 8" Round In-Ceiling Loud Speaker

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Logitech X-540 X540 5.1 Surround Sound Speakers

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NEW ENERGY 10IN 400W SUB POWERED BLACK SPQL ESW-10

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NEW BIC America Venturi V1020 Powered Subwoofer

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POLK AUDIO LC65i Center 2-Way In Wall Speakers **NEW**

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NEW Cinema Sound CSC55 Center Speaker

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Vintage Realistic bookshelf sweet sound & Horn tweeter

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Sony SS-SR100 Surroundsound Speakers 50W Max. (pair)

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Creative I-Trigue 2.1 3300 - PC Multimedia Speakers

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3000 WATT 5.1 SURROUND SOUND OPTICAL GAMING SPEAKERS

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Altec Lansing VS3251 iPod MP3 Speakers System remote

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NEW GE Millennium Speaker System HO98042

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STREEM CV-525 Home Audio Center Channel Speaker 5 YEAR

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JBL L810 3-Way 5-1/4" Bookshelf Wall-Mount Speakers

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Creative Technology Inspire P5800 5.1 Speakers

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Pair of Phillips AD 1624 T8 Soft Dome Tweeters

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Infinity CS60 2-Way 6-1/2" In-Wall Speaker

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Logitech X-540 X540 5.1 Surround Sound Speakers

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JAMO 883K4 TWO WHITE IN WALL SPEAKERS NEW!!!

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Bose Acoustimass-7 Home Theater System Subwoofer

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NEW Trust SP-3920 Multimedia Speaker System 15566

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Logitech X-530 speaker system nice clear surround sound

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NEW 5.5" 2-way Spkr Pair SE-690

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NEW Polk Audio R50 Floor Standing Speakers CHERRY -Pair

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New JVC 5.1 Home Theater Surround Sound Speaker System

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NEW! PAIR 500W PYLE 8" Round Wall/Ceiling Home Speakers

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SPEAKERS SYSTEM SONY CENTER SUBWOOFER AND 4 SATELLITE

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NEW Cyber Acoustics CA491 Digital Docking Speaker

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Infinity Entra Center TWO Center channel speaker

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NEW Bose 151 WHITE Indoor/Outdoor Speakers

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ELEMENT EWOS1 900MHZ WIRELESS INDOOR/OUTDOOR SPEAKERS

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JBL Balboa 10" 100-Watt Powered Subwoofer

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Altec Lansing BXR1120 ipod MP3 Computer Speakers System

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JBL L890 4-Way Dual 8" Floorstanding Loud Speaker

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7 New Surround Sound In Wall Ceiling 8 Inch Speakers NR

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AudioSource System 230 5.1 NIB

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DIVINCI DA 6.1 PRO SERIES

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PAIR ! of INFINITY TSS-SAT4000 satellite home speakers

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Indoor Outdoor New Pool Garden HD Black Speakers IO650B

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POLK AUDIO R1 Bookshelf Speakers, perfect for surround

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300 Watt New Home Theater Sub Acoustic Audio RW8 USA NR

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Bose 3-2-1 GS Series II (graphite) 321 NIB SEALED CHEAP

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ONKYO HT-SR800 7.1 HOME THEATER - SPEAKERS ONLY

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Infinity TSS 800 5.1 Home Theater Loud Speaker System

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3 New Pair All Weather Outdoor Speakers Diesel Audio NR

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NEW Cyber Acoustics CA-2012rb Amplified Computer Spe...

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NEW OEM Systems Premium SC-602E In-Ceiling Speaker

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Pair of GE Smart Wall Speakers 6 1/2 AV IW650 NR!!

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5.1 New In Wall Ceiling Speaker Acoustic Audio 191 NR

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New Pair Visonik 3-Way Speakers Home Theater System NR

$38.88
Vintage Altec Lansing Flamenco Floor Speakers

$750.00
2 Pair, Choice Select 6.5in 60W In-Wall Speakers

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STREEM HT-335 Home Audio Speakers Surround Sound 5 Year

$499.95
Velodyne DLS 4000R DLS4000R DLS 4000

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JAMO 28 BOOKSHELF SPEAKERS (EXC. COND.) W/WALL MOUNTS

$11.01