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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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NEW Trust SP-3920 Multimedia Speaker System - 2.1-ch...

$79.99
SONY SPEAKERS BOOKSHELF SS-H3800N

$20.00
Home Audio Rough In Kit 6.5" round speakers Jamo NIB

$0.99
RCA RTD Surround Sound 5 Speakers Home Theater

$16.50
Xbox 5.1 Surround Sound System

$270.86
Sonance Symphony T-Series In-Wall Speakers NEW

$50.99
KLIPSCH RW10-D 10 INCH POWERED SUBWOOFER (BRAND NEW)

$299.00
2 NEW JBL SOUNDPOINT IN-WALL HOME AUDIO STEREO SPEAKERS

$114.90
Energy Speaker Connoisseur C-9 Woofer Drivers

$51.00
JBL LC2 Center Speaker. Polk, Klipsch, Infiniti, Bose?

$102.50
Bookshelf Speakers - Infinity 5.25" clear poly woofers

$35.00
YAMAHA YSP-4000 SILVER DIGITAL SOUND PROJECTOR AUDIO NU

$1019.90
NEW JVC SX-XSW682 6PCS HOME THEATER SPEAKER SYSTEM +SUB

$49.99
2 Pair New Rock Outdoor Speakers 250 Watt Pool RS6 RS-6

$94.99
BOSE 301 SERIES II DIRECT/REFLECTING SPEAKERS MINT

$78.77
Polk Audio DSW MicroPRO 4000 12" Powered Sub - BNIB!!

$1100.00
Pair of JBL J2050 Bookshelf Speakers Exc Condition

$50.00
JBL SC 305 CENTER SPEAKER GOOD CONDITION &VERY CLEAN

$34.99
Premier Acoustic PA-4.2 Monitors

$154.99
The ACOUSTIC model 3311, 3-way Studio Monitor Speakers

$50.00
HOMETECH HT10034 DELUXE ROCK SPEAKERS

$76.00
Tangent RS2 ls3/5a monitor speakers with Gold Badge !!!

$355.00
PAIR BOSE BOOKSHELF SPEAKERS 201 SERIES III 60 WATT

$29.00
Breatheaudio 6.5" In Wall Speakers New In Box !! Pair

$11.50
Klipsch KG5 Speakers Mint

$550.00
Logitech Z-5300e THX 280-Watt 5.1 Speaker System

$125.00
Infinity CS 80 Pair NIB NR!!!!!

$175.00
JBL SPYRO 2.1 POWERED SATELLITE SPEAKERS & SUB - IPOD

$0.01
AR AW871 900MHz Wireless Stereo Speakers 300' Range

$60.00
boston acoustics vrc black center channel speaker

$130.00
EMERSON SPEAKERS FROM MODEL SYSTEM SP7775

$9.99
NEW Clarion Marine Speakers

$14.50
JBL HLS 810 BOOKSHELF SPEAKER VERY GOOD CONDITION

$99.99
Energy Speaker Connoisseur C-9 Tweeter

$15.50
Bose 901 Series V Direct Reflecting Speaker System & EQ

$327.00
Olevia 42" Speakers with bottom face plate

$0.99
NEW Clarion Marine Speakers

$5.79
ADVENT Recoton AW-820 Single Wireless Speaker System

$38.00
RCA Main Speakers

$0.99
SpeakerCraft CRS6 Four CRS - Single Reference Speaker

$141.00
KLIPSCH KG2.2 TWO-WAY LOUDSPEAKERS - CLASSIC

$150.00
Two 150 watt RCA Home Theater Satellite Speakers

$10.00
M & K SATELLITE SPEAKER CABINET (BLACK )

$0.99
2 New AudioSource AS515 In Wall Ceiling LCR Speakers NR

$154.99
SPEAKERCRAFT AIM 7 MT THREE SPEAKERS {BRAND NEW}

$319.00
JBL Balboa 10" 100-Watt Powered Subwoofer

$179.99
AUDIO PRO Evidence E.5 Floorstanding Speaker 2-Way

$99.99
Pair: BOSTON Speakers: Micro120x Satellite CR6

$121.00
Polk Audio MW 6502 6.5 inch Midrange Woofer

$20.00
VINTAGE TECHNICS SPEAKERS 2-WAY (( NO RESERVE ))

$10.50
NEW HARMAN KARDON 5.1 HOME THEATRE SPEAKER SYSTEM HKTS7

$209.95
Klipsch RF-35 Floorstanding Speakers (1pr) {NEW}

$549.00
Midiland S4 8200 satellite speaker/ Pair

$24.00
BOSE 3·2·1® GS II DVD HOME ENTERTAINMENT SYSTEM

$661.00
Cambridge Soundworks MC400 Speaker

$102.50
AUDIO PRO Evidence E.2 Center Speaker 2Way Bass Reflex

$59.99
BOSE ACOUSTIMASS 5 SERIES II SPEAKER SYSTEM

$79.99
Polk Audio MW 6502 6.5 inch Midrange Woofer

$20.00
NEW Clarion Marine Speakers

$5.86
LG ACC97WK-T UNIVERSAL WIRELESS REAR SPEAKER KIT

$91.07
Klipsch RVX-54 Loudspeaker Silver sold as a Pair

$699.99
POLK AUDIO 42" SURROUNDBAR *SILVER* SURROUND BAR *NEW**

$494.99
NEW ARTDIO UC-198 2.0 USB & Battery-Powered Speakers

$16.99
VINTAGE BOSE 301 SERIES II STEREO SPEAKERS AUDIOPHILE

$89.00
70w CERWIN VEGA L-7 SHELF SPEAKERS SURROUND SOUND L@@K

$49.95
Klipsch SCR-2 In-Wall Speaker PAIR. NO RESERVE!!!

$91.00
SUPER SOUND COMPUTER & MP3 DESKTOP SPEAKERS IN PACKAGE!

$1.99
Athena Technologies LS-C100B Center Channel Speaker

$64.99
INNAX * 2.1 Wooden Game PC Speakers w/ Sub woofer Black

$0.99
NEW Clarion Marine Speakers

$6.50
Bose 901 902 801 802 Speaker Repair Foam Kit! P#901K

$34.95
ACOUSTIC LOUD SPEAKER SYSTEM MODEL: 9901 GOOD CONDITION

$119.99
NEW Logitech Pure-Fi Anywhere iPod Speaker System

$113.99
Logitech Z-5500 5.1 Digital Surround Speaker System!!

$202.50
Bose Companion 3 Series II Multimedia Speakers NEW NIB

$201.50
NEW YAMAHA YST-SW315PN PIANO BLACK HOME AUDIO SUBWOOFER

$224.20
'Creative' Playworks PS2000 Digital Sound System

$125.00
SONY HOME THEATER UPCONVERT DVD DAV-IS10

$600.00
NEW YAMAHA HOME THEATER SPEAKERS 2pc NSAP6500msl silver

$38.88
B&W (Bowers & Wilkins) CDM CNT (Black Ash)

$320.00
OUTDOOR SPEAKER FOR HOME OR CAR

$1.81
RCA cube satellite speakers W/ mounts Bose clone

$13.55
2.1 speakers / Midiland MLI-991 /computer/gaming /New

$19.95
Technics Center Channel/surround speaker system SBCSS90

$20.00
Bose Model 101 Music Monitor Indoor/Outdoor Speaker (2)

$80.51
JBL Duet Aluminum Amplified PC Speaker System

$18.95
INNAX* 4.1 Computer PC Audio Speakers W/Subwoofer New*

$9.99
SDAT DIGITAL HI-FI TOWER STEREO AMP SPEAKERS AUDIOPHILE

$169.00
AUDIO PRO Evidence E.1 Satellite Monitor Speake 2-Way

$79.99
2 Bose Speakers

$51.00
BOSE 901 Series VI Speakers w/ EQ & Stands

$551.01
Klipsch RVX-42 in silver

$225.00
VIENNA ACOUSTICS MOZART SPEAKERS FLOOR STANDING

$800.00
DIAMOND SERIES M-FS10 * DIGITAL SPEAKER TOWERS * HUGE!

$49.00
SET OF 2 AIWA SPEAKERS FOR HOME SYSTEM

$9.99
Klipsch SCW-2 In-Wall Speaker PAIR. NO RESERVE!!!

$91.00
SONANCE SYMPHONY MC CENTER CHANNEL SPEAKER (AWESOME)

$99.00
NEW Studio Acoustics indoor / outdoor 3-Way SPEAKERS

$24.99
Infinity Emit-K Planar Tweeters (X 2) Superb -- @@ !!!

$63.88
Bose 201 Series Speakers

$81.00