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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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Pinnacle BD1000 Tower Loudspeakers (pair) Exc. Cond.

$200.00
B&W ASW750 Subwoofer 1000W FREE SHIPPING WITH BIN!

$1499.00
New Dual 15" Pair Pro Audio Karaoke DJ Speakers 15DJD

$319.99
POLK AUDIO CSi A6 CENTER CHANNEL SPEAKER CSiA6 *BLACK*

$309.99
INNAX * 2.1 Wooden Powerful Game Subwoofer w/ Speakers

$7.99
Panasonic SB-PM19 Speakers for SC-PM19 CD Player System

$1.99
bose 901 series 6 /eq

$1150.00
FACTORY SEAL SC.5 klipsch speaker & free shipping to U

$139.00
BRAND NEW!! KEF iQ9 3-Way Floorstanding Speaker

$177.50
STREEM RW-500 Home Audio Floor Standing Speakers 5 YEAR

$424.95
DJ PA Home Car Pro 12" Pair Pro Woofers Speakers PP121

$24.99
Sonance Ellipse 1.0 LCR In-Wall Speaker, SET OF THREE

$399.00
Powered Subwoofer

$50.00
M&K SOUND 17500 8 OHM TWEETER Pair

$4.95
EMERSON HOME BOOKSHELF SPEAKERS - BLACK

$1.99
6.5" In Wall Ceiling Home Theater Speakers New 4TS65W

$179.99
Jamo E800 Bookshelf Speakers - Cherry

$100.00
STREEM SR-490 Home Audio Bipole Surround Sound Speakers

$149.95
BOSE 161 Bookshelf Speakers - Black

$90.00
5 NEW SURROUND SOUND SPEAKER SET BOOKSHELF SPEAKERS *-

$9.99
SoundStand - All weather outdoor speaker (camping)

$9.99
Jamo 8.5K4 In-Ceiling Speaker System, Pair, White

$112.50
Klipsch RS-52 RS52 Pair of Black Surround Speakers

$424.00
8" High Def HD In Wall Ceiling Surround Speakers TSS8W

$84.99
Bose VCS-10 Center Channel Speaker

$115.99
Klipsch RS-42 RS42 Reference Rear Surround Speakers

$305.00
New 6.5" Deluxe In Wall HD Home Theater Speakers 4TSS6W

$229.99
ZVOX 315 Single-cabinet audio system

$0.99
Klipsch RB-51 RB51 Pair of Black Bookshelf Speakers

$194.00
Klipsch RF-62 RF62 Pair of Black Floorstanding Speakers

$556.00
Stereo 6.5 Inch In Ceiling High Def Home Speaker TS650S

$24.99
Klipsch RW-12d RW12d Reference 12" Powered Subwoofer

$459.00
STREEM CV-525 Home Audio Center Channel Speaker 5 YEAR

$109.95
Bose Center Speaker, Excellent Condition, Save Big

$76.00
DLS 6 1/2 inch Home Audio Speakers-Contractor Series

$29.99
STREEM RW-440 Home Audio Bipole Surround Sound Speakers

$149.95
Vintage Pair of Sonab OA-12L Home speakers

$71.00
Klipsch CDT-5800-C Single White In-Ceiling Speaker

$154.00
Klipsch CDT-2650-C Single White In-Ceiling Speaker

$76.00
Vandersteen Center Channel Speaker VCC-1

$199.99
New HIgh Def Audio Sound In Wall Center Kevlar TSLCR5

$44.99
Criterion Speakers

$50.00
FOR MARSHALL BRAKE SPEAKER FLOOR STAND SPIKE

$4.99
Mirage Omni S10 S 10 Powered Subwoofer -Sealed A-Stock

$299.00
Sonance V833D In-Wall Speakers, Pair, NEW IN BOX

$549.00
SUPER SOUND COMPUTER & MP3 DESKTOP SPEAKERS IN PACKAGE!

$1.99
Klipsch ProMedia THX 200W 2.1 Multimedia Speaker System

$46.03
8 IN-WALL SPEAKER SYSTEM COMPLETE HOME AUDIO PYLE PRO

$299.95
JBL LE 14 A raw speakers

$125.00
STREEM HT-500 Home Audio Speakers 5-PC Home Theater 5YR

$599.95
YAMAHA YSP-1100 BLACK DIGITAL SOUND PROJECTOR AUDIO NEW

$819.90
Klipsch RB-61 RB61 Pair of Black Bookshelf Speakers

$279.00
Mirage FRX 3 speakers (pair)

$89.00
INFINITY poly cell TWEETER rplc HIGH-END speaker L@@K !

$14.99
Brand new Klipsch In-Ceiling Speaker CS-650-R

$36.00
Bose Acoustimass 5 Surround sound speaker system - USED

$152.50
STREEM RW-120 Home Audio Center Channel Speaker 5 YEAR

$99.95
NEW SURROUND SOUND HOME THEATER SPEAKERS & SUBWOOFER

$17.99
Klipsch RPW-10 Black 10" Reference Powered Subwoofer

$209.00
Velodyne Micro Vee MicroVee Black Powered Subwoofer

$449.00
2 JVC SPEAKERS 120 W EACH SP-UXG50

$1.99
NEW SONY DAV-HDZ235 5 PIECE SURROUND SOUND SPEAKERS -=*

$46.00
STREEM SR-290 Home Audio Surround Sound Speakers 5 YEAR

$124.95
Five Samsung Home Theater Center/Front/Rear Speakers

$22.50
TWO AUDIOSOURCE WHITE ROUND 8" HOME IN-CEILING SPEAKERS

$64.95
Klipsch R-5650-S Single White In-Wall Speaker

$159.00
B&W 1000W Subwoofer - needs repair

$68.00
16 IN-WALL SPEAKER SYSTEM PYLE PRO COMPLETE HOME AUDIO

$419.95
Mirage Omnisat V2 - Single Platinum Black Speaker

$137.00
Klipsch R-2650-W Single White In-Wall Speaker

$67.00
2 Way New Pair Karaoke DJ PA Floor Stage Speakers 800C

$44.99
Klipsch RF-82 RF82 Black Floorstanding Speakers

$639.00
BOSE 601 8" Speaker Repair Foam Woofer Kit! - P#601K

$31.49
POLK LC-80I LC80I 80 IN-CEILING SPEAKERS NEW IN BOX

$199.99
Klipsch RC-62 RC62 Reference Center Channel Speaker

$294.00
12" Pro Audio Speakers New Concert DJ 1200 Watts Trap12

$79.99
Klipsch RC-52 RC52 Black Center Channel Speaker

$189.00
Insignia NS-3006 2.1 Speaker System w/ Subwoofer (3-Pc)

$5.00
Klipsch RB-81 RB81 Pair of Black Bookshelf Speakers

$439.00
B&W BOWER AND WILKINS DIPOLE DS6 SPEAKERS ROTEL KRELL

$611.00
Philips HTS3450 Home Theater 250-watt powered subwoofer

$51.99
Mirage Omnisat V2 - Single Silver Speaker

$134.00
BOSE #100 BOOKSHELF SPKS OR SURROUND SOUND SPKS WORKING

$15.50
Sony AIR-SA10 Wireless Multi Room Speaker System S-AIR

$94.99
FACTORY SEAL SC.5 klipsch speaker & free shipping to U

$139.99
B&W Speakers

$61.01
New Outdoor Rock Speaker Pool Spa Yard Garden TSRS4B

$15.99
15" Floor Karaoke Powered Speaker Monitor New PP1501A

$219.99
New Indoor Outdoor Bookshelf Rear Speaker Pair TS425ODW

$23.99
NEW SONY HTV700DP 5 Pce SURROUND SOUND HOME SPEAKER SET

$22.00
Mirage Omnisat V2 - Single Black Speaker

$139.00
STREEM RW-240 Home Audio Surround Sound Speakers 5 YEAR

$109.95
Mirage Omnisat V2 FS Pair of Black - Sealed A-Stock

$599.00
JBL SPYRO 2.1 POWERED SATELLITE SPEAKERS & SUB - IPOD

$0.01
Sonance TR3000 6.5" In-Ceiling Speaker Pair - NEW

$15.53
Klipsch CDT-2650-SC Single White In-Ceiling Speaker

$97.00
AS-IS Klipsch Synergy Series 200W 2-Way In-Wall Speaker

$0.99
Speakercraft Aim7 two Aim 7 - Single In-Ceiling Speaker

$96.74
New HIgh Def 8 Inch In Wall Ceiling HD Speakers 4TS80W

$199.99