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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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TIC TF3WG 5.25" OUTDOOR ROCK SPEAKER PAIR FREE SHIPPING

$69.99
PHILIPS 5 SPEAKER SURROUND SYSTEM CS-3400 BLACK

$18.50
Infinity ERS 210II 2-Way 6-1/2" In-Wall Speaker, single

$33.00
Pro Audio DJ PA Monitor Floor Stage Speakers NIB PPB15

$149.99
New Pair Black Outdoor Speakers Acoustic Audio 151b NR

$20.03
Infinity PC250 2-Way Dual 5.25" Center Channel Speaker

$41.01
PAIR 675 WATT 15" DJ HOME SUBWOOFER SPEAKERS FREE GRILL

$59.98
OUTDOOR ROCK SPEAKERS- 100 WATT

$20.99
(2) SONY SS-TS72 FRONT SPEAKERS FOR BRAVIA HOME THEATER

$19.99
Mackie SA1232 Active Sound Reinforcement Speaker System

$380.00
New Center Channel 200 Watt In Wall Ceiling Speaker NR

$0.01
INNAX * 2.1 Wooden Game PC Speakers w/ Sub woofer Black

$0.99
Infinity Beta C 250 Center Channel Speaker CMMD Drivers

$56.00
Sony Speaker System Ss-MB105 FACTORY SEALED

$19.00
2 DJ CAR HOME 18" SUBWOOFER REPLACEMENT SPEAKERS BZ1850

$59.98
Bose Acoustimass remote control

$10.00
New Pair Round 5.25" inch In Wall or Ceiling Speakers

$49.99
NEW TIC Pro Series TFS5CN Speaker

$87.99
PAIR OF 6.5" DJ CAR HOME WOOFER REPLACEMENT SPEAKERS

$9.98
Used Pai JBL 4000w JRX125 DUAL 15" PA SPEAKERS JRX-125

$265.00
Phillips Stereo

$85.00
TWO NEW PYLE 8" WHITE HOME AUDIO ROUND CEILING SPEAKERS

$76.95
BOSE 101 MUSIC MONITOR SPEAKERS

$70.00
10" DJ PA Club Raw Subwoofers Woofers Speakers PP102

$59.99
PREMIUM 15" DJ, CAR, HOME SUB WOOFER SPEAKER +FREE GIFT

$19.99
mission speakers M71i

$44.99
BOSE LIFESTYLE DOUBLE CUBE SPEAKERS (PAIR)

$145.00
PHILIPS 2 REAR SPEAKER SURROUND SOUND SYSTEM

$8.50
Infinity Primus P142 2-way 4" Bookshelf Loud Speaker

$18.51
AudioSource LS545 Indoor/Outdoor 2-Way Speakers 2 PAIR

$41.99
PAIR OF 15" DJ CAR HOME SUB WOOFER REPLACEMENT SPEAKERS

$39.98
Pair New 400 Watt Outdoor Speakers Acoustic Audio 251W

$26.00
PAIR OF 8" DJ CAR HOME SUB WOOFER REPLACEMENT SPEAKERS

$9.98
Sharp Speakers

$49.99
Rocketfish RF-3800 2.1 PC iPod Speaker System

$12.95
Wharfedale CRS 3 Bookshelf Speaker

$24.50
Infinity Primus P152 2-way 5" Bookshelf Loud Speaker

$17.51
Infinity PS 28 8" 150-watt Powered Subwoofer PS28 Sub

$62.00
New Indoor Outdoor Truck Audio HD Speaker Pair TS5ODW

$30.99
2 New Outdoor Rock All Weather Patio Landscape Speakers

$124.99
JBL MONITOR 2-way Bookshelf Loud Speakers (pair)

$41.00
Infinity P252 2-Way Dual 5.25" Floorstand Loud Speaker

$46.00
SONY 2 FRONT SURROUND SPEAKER SYSTEM SS-TS53 3 ohm

$18.50
NEW BIC America Venturi V1220 Powered Subwoofer

$187.99
6 Pair Outdoor Speakers New Acoustic Audio 151b Marine

$145.99
Bose Acoustimass Satellite Pair with Wire

$49.50
6.5" In Wall Ceiling Surround Sound Speakers New 6TS65W

$259.99
Infinity Beta 10 Bookshelf Loud Speaker w/ CMMD Drivers

$28.00
PHILIPS CENTER SPEAKER SYSTEM CS 3544 E ORIGINAL

$9.99
ATHENA TECHNOLOGIES AS-P300 POWER SUBWOOFER

$30.00
Earthquake subwoofers with 2500 SSL amp

$89.00
NEW Cerwin -Vega! CVHD Series CVHD-5.1 Home Theater ...

$999.00
JBL L880 Series 4Way Dual 6" Floorstanding Loud Speaker

$142.50
(2) SONY SS-TS71 SURROUND SPEAKERS FOR BRAVIA THEATER

$14.99
PREMIUM 12" DJ, CAR, HOME SUB WOOFER SPEAKER +FREE GIFT

$11.99
PAIR 800 WATT 18" DJ HOME SUBWOOFER SPEAKERS FREE GRILL

$99.98
JVC NXPS1 Audio Speaker System with iPod Connect Dock

$0.95
PREMIUM 10" DJ, CAR, HOME SUB WOOFER SPEAKER +FREE GIFT

$6.99
Logitech X-540 X540 5.1 Surround Sound Speakers

$20.50
BOSE 501 SERIES IV SPEAKERS

$95.00
3 New Pair All Weather Outdoor Speakers Diesel Audio NR

$264.99
PREMIUM 18" DJ, CAR, HOME SUB WOOFER SPEAKER +FREE GIFT

$29.99
PHILIPS SONO WAVE SONOWAVE CENTER SPEAKER ORIGINAL CONN

$6.50
New Pr Surround Sound In Wall Ceiling Speakers 200W NR

$1.26
NEW Creative GigaWorks ProGamer G550W Speaker System

$349.99
RCA WSP155 900MHZ WIRELESS SPEAKER SYSTEM

$36.99
A/D/S ads SW2 Passive 10 inch DVC Bandpass Subwoofer

$49.99
NEW Cyber Acoustics CA-2992 Multimedia Speaker System

$45.99
Infinity TSS 500 5.1 Home Theater Loud Speaker System

$103.49
PAIR OF 18" DJ CAR HOME SUB WOOFER REPLACEMENT SPEAKERS

$59.98
New Tree Trunk Outdoor Speaker Landscape Pool Spa FS NR

$64.99
PREMIUM 8" DJ, CAR, HOME SUB WOOFER SPEAKER + FREE GIFT

$4.99
200 Watt 8 Ohm New Silk Dome Shielded Tweeter GT510S

$7.99
A/D/S ads MS2 Powered Bandpass 8 inch Subwoofer

$150.00
6.5" 6 Pair Home Theater HD In Ceiling Speakers 6TSS6C

$339.99
Infinity ERS HV250 2-Way Dual 5" In-wall Speaker, one

$52.00
NEW BOYNQ VASEWH Vase? Acoustic Lens Computer Speake...

$20.99
Sunfire True Subwoofer Signature REFURBISHED WARRANTY

$930.00
PAIR 425 WATT 10" DJ HOME SUBWOOFER SPEAKERS FREE GRILL

$37.98
Acoustic Research (COLLECTABLE) Mens Watch Wristwatch

$0.99
JBL Control 1 speakers-pari

$90.00
Home Entertainment Speakers

$49.99
JBL Duet Aluminum Amplified PC Speaker System

$18.95
New Home Theater 8" In Wall Rear Ceiling Speaker 8TS80C

$399.99
M & S WG100W in wall speakers, excellent for 5.1/7.1

$61.00
300 Watt New Home Audio Powered Subwoofer PRO Bass USA

$41.00
JBL HTI 55 Dual 5" L C R In wall Loud Speakers

$41.00
PAIR 537 WATT 12" DJ HOME SUBWOOFER SPEAKERS FREE GRILL

$45.98
KICKER SOLO BARIC L5 12'' SUBWOOFERS

$103.50
NEW PAIR ROUND 8 " INCH IN WALL OR CEILING SPEAKERS

$54.99
New Pair Acoustic Audio Surround Sound Speakers 15.1 NR

$10.51
PSW-505

$250.00
Monster Cable 60W Two Way White Ceiling Speaker 1 Pair

$19.99
HOME THEATER SPEAKER SYSTEM

$82.90
Used Pai JBL 4000w JRX125 DUAL 15" PA SPEAKERS JRX-125

$51.00
JBL SPEAKERS P10, G100, G400, G50, TWEETER NEW IN BOX!

$40.00
PAIR 350 WATT 8" DJ CAR SUBWOOFER SPEAKERS NZCE + GIFT

$25.98
HARMAN/KARDON H/K595 SPEAKERS SUBWOOFER + 2 TWEETERS

$19.99
Used Pai JBL 4000w JRX125 DUAL 15" PA SPEAKERS JRX-125

$102.50
Bose Companion 3 Multimedia Computer Speaker System

$129.50