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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 SP6C-II 2-Way In-Ceiling Speakers (Pair)

$32.00
New White Spa Outdoor Patio Boat Speaker Pair TS5ODW

$35.99
INNAX * 2.1 Wooden Powerful Game Subwoofer w/ Speakers

$7.99
SPEAKERCRAFT OE8 THREE WEATHER PROOF OUTDOOR SPEAKERS

$409.00
PARADIGM SA-35 V.2 REFERENCE IN-WALL SPEAKERS

$849.99
VINTAGE CERWIN VEGA HORN TWEETERS 3 1/2"

$0.99
NEW VELODYNE MiniVee10 10" POWERED SUBWOOFER MiniVee 10

$999.00
Pair of Wharfedale Vintage Tweeters, England ( W60 E )

$5.50
Monitor 40 Black Bookshelf speakers Polk Audio (pair)

$71.00
Bose Freespace 16 Main Hanging Speaker Commercial NEW

$23.50
NEW Harman JBL Control Series Control 2.4G Wireless ...

$172.99
SpeakerCraft MT8 One InWall Speaker SET of 2 NEW in BOX

$449.00
Pinnacle Super Sonic Subwoofer

$250.00
12" Concert Karaoke DJ PA Pro Home Speakers Pair 12MO1

$179.99
NEW YAMAHA NS-C444 3 Way CENTER CHANNEL Black NSC444

$99.99
NEW INFINITY ERS-HV250 5" DUAL IN-WALL SPEAKER ERSHV250

$99.95
TWO NEW PYRAMID 1000w WATERPROOF OUTDOOR AUDIO SPEAKERS

$69.95
JBL N-Center II Center Speaker Northridge Series - NR

$26.00
NEW PAIR PYRAMID STUDIO PRO MONITOR SPEAKERS 300 WATTS

$39.95
KLIPSCH GROOVE PM 20 COMPUTER SPEAKERS

$21.62
KLH ASW10-120B 120 WATT SUBWOOFER !!

$35.00
Surround Sound Bass Sub Powered Subwoofer New TSRT350

$124.99
NEW Logitech Z-2300 Multimedia Speaker System

$111.99
Infinity Outrigger JR Outdoor Speakers PAIR White NEW

$104.95
definitive technology mythos gems on wall speakers new

$599.99
Set of two light brown desk speakers real nice.

$1.25
Bookshelf Garden HD Outdoor Patio Speaker Pair TS5ODB

$44.99
NEW VELODYNE VRP-1000 10" POWERED SUBWOOFER VRP1000

$184.95
Rear HD New Home Theater 8" In Ceiling Speaker 4TS80C

$259.99
Definitive Technology BP7002 Bipolar Floor Speaker

$699.00
12" Home Theater Bass HD Powered Subwoofer New TSRT500

$174.99
New Pro Audio Monitor Studio Home Speakers Audio 600C

$49.99
INFINITY BETA 20 CHERRY SINGLE BRAND NEW ONLY $99

$99.00
New Home Surround Sound In Wall Center Channel TSLCR5

$56.99
2 Vintage REALISTIC TEAK WOOD Speakers 466

$9.85
6.5" In Wall Ceiling Surround Sound Speaker New 4TS65W

$239.99
M & K SOUND COLUMN SPEAKER CABINET ( BLACK )

$5.95
Stereo System 6.5" In Ceiling Round Home Speaker TS650S

$44.99
SPECTRONIQ PHT-300X Sub Woofer And Quad Speaker Kit

$9.99
AS-IS Acoustic Research AW877 Outdoor Wireless Speakers

$17.15
New Indoor Outdoor Truck Audio HD Speaker Pair TS5ODW

$44.99
New Granite 2 Pair Outdoor Garden Rock Speakers 4TSRS4G

$74.99
Bose Direct/Reflecting Cube Speaker Array

$26.00
NEW Creative Inspire A200 Multimedia Speaker System

$34.99
Landscape Waterproof 500W Rock Speaker Pair NIB 2TSRS4G

$42.99
Klipsch RF-83 Floorstanding Speaker BLACK PAIR RF83 NEW

$1999.00
Polk Audio SDA SRS Speakers+Nad poweramp+DBX preamp

$1500.00
8" Pr In Ceiling Speakers Surround Sound Theater HD NEW

$52.99
Pro 15" Replacement Pr DJ PA Woofers Speakers New PP151

$74.99
NEW INFINITY CS60 6.5" 2-WAY IN WALL SPEAKER CS-60

$62.95
2 NEW YAMAHA CHERRY WOOD BOOKSHELF SPEAKERS 220 WATTS

$99.95
NEW 2008 INFINITY ERS-110II In-Wall Speakers (PAIR)

$158.00
DJ PA Home Sub Pro 18" Pair Raw Woofers Speakers PP181

$114.99
AS-IS RCA 900MHz Wireless Auto-Tuning Stereo Speakers

$5.00
Yamaha Ns-Ap8500m Ns-Ap8500 6 Speakers Silver WoW

$59.99
NEW YAMAHA NS-IW660 IN-WALL SPEAKERS NSIW660 *pair*

$124.95
VIFA D27TG-45-06 DOME TWEETERS- PAIR- NEW- NO RESERVE !

$39.99
2 NEW PYLE 6 1/2 720w IN-WALL WHITE HOME AUDIO SPEAKERS

$67.90
NEW YAMAHA NS-AW190 INDOOR/OUTDOOR SPEAKERS WHITE

$59.95
INNAX * 2.1 Wooden Powerful Game Subwoofer w/ Speakers

$7.99
NEW Creative Inspire T6100 Speaker System 51MF4086AA000

$72.21
New 10" Pro Replacement Raw Woofers Subs DJ PA Pr PP101

$42.99
RM30T pewter Sat On-wall speakers (pair) Polk Audio

$202.50
6.5" In Wall Ceiling Surround Sound Speakers New TS65W

$69.99
Yamaha NS-IW280CW 6.5in 3-Way In-Ceiling Speaker

$0.99
YAMAHA HOME THEATER SPEAKER SYSTEM SURROUND SOUND AUDIO

$99.95
Klipsch ProMedia 2.1 THX Computer Speaker System

$75.00
12- PASSIVE SUBWOOFER

$24.75
ROKSAN ROKone Rok one loudspeakers for Caspian Kandy

$499.00
120W 8" In-wall / Ceiling 2-Way Speaker Pair Free Ship

$44.95
ACOUSTIC RESEARCH AR-1108 SPEAKER SWITCH , 8 SPK SWITCH

$39.99
NEW Polk Audio Monitor 40 Bookshelf Speaker CHERRY Pair

$159.95
Klipsch RP-5 Main / Stereo Speaker with built in Subwfr

$500.00
NEW Harman JBL Spyro Multimedia Speaker System

$111.24
Infinity quantum series woofers dvc good cond. refoamed

$129.00
4 SpeakerCraft 520 Rox Outdoor Rock Landscape Speakers

$465.00
SPEAKERCRAFT OE8 THREE WEATHER PROOF OUTDOOR SPEAKERS

$409.00
NEW FISHER 5 Pce SURROUND SOUND HOME THEATER SPEAKERS

$8.99
VELODYNE SC-8 CUSTOM SERISE SUBWOOFER NEW

$99.99
Velodyne VRP-1000 Subwoofer Speaker

$61.01
MTX 4-way home speakers

$50.00
10 inch PAIR 4 Ohm Woofers Drivers 350/w NEW Speakers

$49.99
NEW Cerwin -Vega! CLS-12 Speaker

$315.99
8" In Wall Ceiling Home Theater Front HD Speakers TS80W

$81.99
12 Speaker Pyle Pro Complete Home In-Wall Audio System

$369.00
1 Pair Indoor/Outdoor Speakers 5in Woofer White Choice

$49.99
Yamaha Ns-Ap4400M 2 BookShelf Speakers NEW BUY NOW

$39.99
NEW 2008 INFINITY ERS-HV250 2 Way dual 5" In-Wall Speak

$97.00
ADVENT Indoor/Outdoor Wireless speaker transmitter

$33.00
New Outside Waterproof Yard Granite Rock Speaker TSRS4G

$24.99
Vidsonix Silver Center Channel Spkr w/3-yr Warranty.

$34.95
Sony dual speaker stereo w/ radio CD & tape CFD-510

$10.00
Vidsonix TS6500 Tree Stump Garden Speaker Tiki

$39.95
Piega TC 50 floor-standers were $8000/pair NO RESERVE!

$2995.00
High Def Cinema HD 10 Inch In Wall Subwoofer New TS1000

$48.99
NEW YAMAHA NS-AW390 INDOOR/OUTDOOR SPEAKERS WHITE

$79.95
Vintage Sansui AA-2900 Speakers-Made in Japan-NICE !

$39.95
" Polk Audio " PSW250 8" home powered Subwoofer MINT!

$99.00
KLIPSCH SC.5 CENTER CHANNEL SPEAKER BRAND NEW IN BOX

$115.99