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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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JBL S-312 CHERRY FLOOR STADING SPEAKERS

$350.00
New R50 Polk Audio Floorstanding Speakers Pair Cherry

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Acoustic Research AW811 Indoor/Outdoor Wireless Speaker

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DIGITAL HOME THEATER SYSTEM

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NEW JVC SPEAKERS 200 WATT

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New Pro Speaker Titanium Dome Tweeter 200 Watts GT336

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INFINITY CLASSIA CC255BK BLACK CENTER NEW ONLY $289

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FOR MARSHALL BRAKE SPEAKER FLOOR STAND SPIKE

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Yamaha Center speaker NS-AP101

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

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NEW YAMAHA NS-IW760 5.6" 130W IN-WALL SPEAKER NSIW760

$43.50
NHT Subwoofer SW10

$113.97
Sony speakers SSMB100H

$9.99
BOSE LIFESTYLE PS28 III POWERED SUBWOOFER 18/28/38/48

$76.00
Klipsch Synergy SC.5 Center (1) and SS.5 Surrounds (2)

$130.49
AMC A2-10 Pair, Bookshelf Speakers (SPECIAL PURCHASE)

$119.00
2000W 5.1 Surround Sound Speakers Home Theater System

$34.95
New KLH 100 watt Indoor / Outdoor Speakers New

$59.90
5 BOSE speaker emblems decals

$15.50
Bose Companion 2 Series II Multimedia Speaker System

$41.00
AudioSource LS One single speaker black

$9.95
TWO NEW PYLE 500w 6.5 CEILING HOME AUDIO WHITE SPEAKERS

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YAMAHA YSP-1100 BLACK DIGITAL SOUND PROJECTOR AUDIO NEW

$819.90
X10 Wireless Speaker System

$20.00
3000 W HOME THEATER SYSTEM W/USB FLASH DRIVE,4 AUX-LINE

$69.95
INFINITY CLASSIA PAIR C205 BOOKSHELF NEW ONLY $399

$399.00
Surround Sound Bass Sub Powered Subwoofer New TSRT350

$119.99
Kenwood studio speakers MV-7 500 watts each

$199.99
2 INFINITY ALPHA 40 FLOORSTANDING SPEAKERS ( NEW COND )

$239.00
Bose Companion 2 Series II Multimedia Speaker System

$40.00
Insignia 3-Way Indoor / Outdoor 40 watt Speaker System

$12.95
Yamaha NS-A425 Single Speaker LOOK!

$14.95
8" Front Theater Solutions In Wall Speakers New TSS8W

$84.99
PANASONIC SH-FX50 DIGITAL AUDIO RECEIVER

$0.99
JBL CONTROL-25AV 2 Way Monitor Speaker Pair

$160.00
INFINITY CLASSIA PAIR C205 BOOKSHELF NEW ONLY $399

$399.00
Bose Companion 3 Series II Multimedia Speaker System

$125.00
8" Front Rear In Wall Ceiling Surround Speakers 4TSS8W

$269.99
SANUS EFSATIN STEEL 28IN TO 42IN SPEAKER STAND

$0.98
Speakers - Rock Solid Sounds (B&W)-matched pair, white

$125.00
Klipsch SF-2 Floor Standing Speakers

$207.50
Speakers Indoor / Outdoor Pair 3-Way Dual - NEW!

$34.95
Bose Companion 3 Series II Multimedia Speaker System

$125.00
Replacement Woofer for Klipsch Khorn La Scala Cornwall

$110.00
NEW LOGITECH Z-5500 SPEAKER - AWESOME SURROUND SOUND

$108.50
Brand New in Box - DELL MULTI MEDIA SPEAKERS - A215

$1.28
Sony SS-MF550H 3-Way Floor Standing 150 watt Speaker

$2.25
8" In Ceiling Wall Round Rear Home HD Speakers 4TSS8C

$269.99
Very nice pair of metal book shelf speakers

$5.00
6.5" In Wall Ceiling Surround Sound Speaker New 4TS65W

$179.99
KLIPSCH RP-3 FLOORSTANDING SPEAKERS W/ AMPED 10" SUBS

$420.00
Creative Inspire GD580 Surround Sound System NR

$11.50
Velodyne home theater sub woofer (powered)

$300.00
woofers speakers 12" bass subwoofers x 2

$25.00
Digital Audio Subwoofer 200 WATTS RMS

$17.99
klipsch kg2.5 speakers

$45.00
Polk Audio RM7500 Center Channel Speaker

$99.45
Speaker Grill Cloth- Black Dbl Knitt Style-BEAUTIFUL!

$16.99
New Logitech X-540 5.1 CH Surround Speakers System NIB

$54.95
New Logitech X-540 5.1 CH Surround Speakers System NIB

$54.95
Monitor Audio Package Radius 45, Radius 180 and ASW100

$200.00
YAMAHA YSP-1100 SILVER DIGITAL SOUND PROJECTOR AUDIO NU

$819.90
NEW Aluratek AIRMM01F Internet Radio Alarm Clock wit...

$147.99
Cerwin Vega dustcaps with logo NOS !!!!!!!!!!!!!!!

$7.99
Cyber CA3402 Acoustics 20 Watt 3-Piece Speaker System

$0.99
Acoustic Research 3pc Wireless Speakers

$64.99
3 Piece Pioneer Speakers S-CR3000-Q in mint condition.

$24.99
CAMBRIDGE SOUNDWORKS Surround sound

$31.00
20 Pair New In Wall Ceiling Speaker Acoustic Audio NR

$435.99
Sony 5.1 surround home stereo speaker system

$40.00
Dali Ikon Phantom In-wall Speaekrs

$460.00
Vandersteen 2Ce Speaker pair

$305.00
5 BOSE speaker emblems decals

$5.50
M & K SATELLITE SPEAKER CABINET (BLACK )

$0.99
Logitech Z-5500 THX Digital Dolby 5.1 Speaker System

$169.99
AS-IS Panasonic SB-WA05 220W Active Subwoofer for

$0.99
INNAX * 2.1 Wooden Game PC Speakers w/ Sub woofer Black

$0.99
ACOUSTIC RESEARCH AR-3a MIDRANGE REPAIR

$0.99
KEF KHT-3005 Speaker Stand KHT-3005 SE KHT-3005SE

$195.00
Boston BA635 computer speaker system, *** Excellent ***

$35.09
DJ PA Home Sub Pro 18" Pair Raw Woofers Speakers PP181

$79.99
Bose Companion 3 Series II Multimedia Speaker System

$125.00
BEST Speaker Foam Surround Kit- BOSE 301/501/601

$16.99
JVC powered sub-woofer SP-PWM303

$31.00
Acoustic Research ARXP408 left and right speaker pair

$199.00
INFINITY CLASSIA C255ESCH CHERRY PAIR NEW ONLY $549

$549.00
3000 WATT LCD PLASMA TV COAXIAL OPTICAL AUX 5.1 SPEAKER

$99.95
Bose Companion 2 Series II Multimedia Speaker System

$40.00
Niro 1000 Virtual 5.1 Home Theater Speaker/Amp System

$125.00
Altec Lansing XA3021 2.1 Speakers

$20.00
VINTAGE BOSE 501 SERIES IV STEREO SPEAKERS AUDIOPHILE !

$139.00
BOSE 901 VI ACTIVE EQUALIZER

$100.00
Alesis ProActive 5.1 surround sound system THX

$105.00
Digital Audio Bookshelf Speakers

$19.99
Polk Audio RC65i in-wall, ceiling speakers

$71.47
INFINITY CLASSIA CC255BK CHERRY CENTER NEW ONLY $289

$289.00
ACOUSTIC RESEARCH AR 9, AR 90, etc. SPEAKER GRILL CLOTH

$29.00
4 BOSE speaker emblems

$4.21
Yamaha Speakers 2- NS-AP101s and 2- NS-A427s

$29.99