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April 19th, 2010 
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I'm new to home theater and audio. In laymans terms what's a crossover switch & how/why do I need or use it?
I'm trying to decide which medium to low end receiver to buy for my (6.1 or 7.1) home theater set up. I have the speakers (8 ohm) and a passive subwoofer (4 ohms) but don't know why one would use a crossover switch. Thanks.
A crossover typically separates the frequencies going to you speakers. Your subwoofer won't respond well to high frequencies and may cause poor sound in this range. Same with your regular speakers. They may not respond to the lows like they should. The crossover will help this by routing the right frequencies to the right speakers. It will also help get the most power out of your speakers.
I replace a woofer and bypass the crossover
| | CLARION 7-BAND VEHICLE STEREO GRAPHIC EQUALIZER W/ SUBWOOFER OUTPUTS LVL CONTROL $67.15 |
| | BOSS AUDIO BX45 NEW ELECTRONIC SUBWOOFER CROSSOVER W/ REMOTE SUB LEVEL CONTROL $44.95 |
| | Nady CX-22SW 2 way stereo crossover plus subwoofer $42.00 |
| | PARADIGM SUBWOOFER CONTROL CROSSOVER UNIT X-30 BRAND NEW $179.99 |
| | BOSS AUDIO BX45 NEW SUBWOOFER CROSSOVER ELECTRONIC W/ REMOTE SUB LEVEL CONTROL $44.75 |
| | DIESEL AUDIO 1400W MAX BRIDGEABLE MOSFET STEREO AMPLIFIER W/ BUILT IN CROSSOVER $108.15 |
| | Lanzar VIBEX2 Vibe 2 Way Electronic Crossover Network w/Remote Subwoofer Control $34.62 |
| | Blitz BZX6 2-Way Electronic Crossover Network with Subwoofer Level Control $52.99 |
| | Pyle PLXR8 3 Way Electronic Crossover w/Remote Subwoofer Control $46.49 |
| | Bose Acoustimass 10 Subwoofer crossover (187676) $39.99 |
| | NEW NADY AUDIO CX-23SW 3 WAY STEREO CROSSOVER PLUS SUBWOOFER $79.99 |
| | POWER ACOUSTIK PWM-20 4-BAND PRE-AMP EQUALIZER W/ SUBWOOFER ELECTRONIC CROSSOVER $48.15 |
| | 250 Watt Sub Woofer Cross-Over 4 or 8 Ohm Cerwin Vega $10.01 |
| | Dual SVC Woofer or DVC SUB 4 or 8 ohm 250 Watt Cerwin Vega Subwoofer Cross-over $10.50 |
| | 4 or 8 ohm 250 Watt Cerwin Vega Subwoofer or Dual Woofer Cross-Over HT10D $10.25 |
| | BASS INFERNO BIEQ7 7 Band Parametric Equalizer w/ Built-In Subwoofer Crossover $59.89 |
| | Pyramid Cr78 2-way Electronic Crossover W/remote Subwoofer Level Control $28.87 |
| | 2 Alpine SPS-600C Crossovers $9.99 |
| | New Marcato 2 way 2 ch Subwoofer Crossover In / Outdoor $9.45 |
| | Marcato 2 way 2 ch Subwoofer Crossover In/ Outdoor 12dB $10.55 |
| | FOCAL 165K2P UV 6.5" COMPONENT 165 K2P UPGRADED SPEAKERS MIDS CROSSOVER TWEETERS $650.00 |
| | SOUNDSTORM Electronic Crossover with Remote Subwoofer Control (3 Way) #SX310 $40.00 |
| | BLAUPUNKT(GERMAN )90 WATT SUB WOOFER & CROSSOVER,NIB LAST 1 LAST 1 $99.90 |
| | 800 Watt 15" Cast Frame Pro DJ PA Subwoofer with Cabinet and Crossover, NEW! $89.99 |
| | BOSS AUDIO BX35 NEW ELECTRONIC SUBWOOFER CROSSOVER W/ REMOTE SUB LEVEL CONTROL $42.75 |
| | BOSE 802-C SYSTEM CONTROLLER CROSS OVER FOR BOSE 802 SPEAKERS -302 SUBWOOFERS $344.01 |
| | Genelec 7070A Powered 250W 12" Subwoofer with Active Crossover $2,500.00 |
| | PT Cruiser 80 Watt Digital Amplifier 8" Subwoofer Car Speaker, Digital crossover $49.99 |
| | ZED AUDIO RA SUBWOOFER CROSSOVER works/w orion fosgate hifonics autotek zapco $99.00 |
| | Bose Passive Subwoofer Crossover...Free shipping $7.00 |
| | KLH Passive Subwoofer Crossover $6.00 |
| | Subwoofer crossover 2 way - Stereo ! $44.25 |
| | Kicker zx1000.1 monoblock subwoofer amp with built in crossover $46.00 |
| | NEW SOUNDSTORM SX310 ELECTRONIC CROSSOVER WITH REMOTE SUBWOOFER SUB CONTROL $42.89 |
| | F-Mod FMOD Sub Woofer 70hz Low Pass Subwoofer Crossover $26.08 |
| | Used Apogee Model A-10 subwoofer processor - Nice! $199.00 |
| | NEW MTX Subwoofer Crossover SWX200K 4ohm 12db/Octave $19.99 |
| | Planet Audio EC10B 2-way Electronic Crossover W/ Remote Subwoofer Level Control $34.95 |
| | Treble Blocker Low Pass Crossover 145hz 2ohm Sub Woofer $16.95 |
| | Treble Blocker Low Pass Crossover 100hz 8ohm Sub Woofer $21.95 |
| | Infinity SS 2003 Speaker foam tweeter crossover subwoofer $30.00 |
| | SoundStorm SX210 2-Way Electronic Crossover w/ Remote Subwoofer Level Control $39.99 |
| | MB quart 6.5 inch RWE160 subwoofers/tweeters RXE216 Crossovers $60.00 |
| | New Pyle PLXR8 3 Way Electronic Crossover w/Remote Subwoofer Control $54.95 |
| | New Pyramid CR78 2-Way Electronic Crossover w/Remote Subwoofer Level Control $38.49 |
| | New VIBEX5 Vibe 3 Way Electronic Crossover Network w/Remote Subwoofer Control $50.99 |
| | KICKER ZX1000.1 HUGE MONOBLOCK SUBWOOFER AMP WITH BUILT IN CROSSOVER $27.00 |
| | KICKER SWX sub woofer bypass crossover module RARE OLD SCHOOL zr360 amplifier $60.00 |
| | Boss BX45 2/3-Way Electronic Subwoofer Crossover+Remote $49.16 |
| | Lanzar VIBEX8 Vibe 3 Way Electronic Crossover Network w/Remote Subwoofer Control $117.44 |
| | Legacy LXR6 3-Way Electronic Crossover Network w/Remote Subwoofer Level Control $97.87 |
| | Lanzar VIBEX2 Vibe 2 Way Electronic Crossover Network w/Remote Subwoofer Control $88.08 |
| | CLARION POWER SYSTEM EQS560 CAR 5 BAND EQUALIZER WITH SUBWOOFER CROSSOVER USED $60.00 |
| | Car Blitz BZX6 2-Way Electronic Crossover Network with Subwoofer Level Control $117.44 |
| | Alpine SPX-137A Crossovers and Tweeters $145.00 |
| | Patriot AX-100 Adjustable Electronic Subwoofer Crossover $9.29 |
| | NADY CS 23SW 3 WAY STEREO PLUS SUB WOOFER CROSSOVER $0.99 |
| | 2-WAY ELECTRONIC CROSSOVER W/REMOTE SUBWOOFER LEVEL CON $40.90 |
| | Bose Acoustimass 10 Subwoofer crossover (187676) $39.98 |
| | BOSE 802-C SYSTEM CONTROLLER CROSS OVER FOR BOSE 802 SPEAKERS -302 SUBWOOFERS $261.21 |
| | LEGACY LXR1 Electronic Subwoofer Crossover Network $17.99 |
| | FMOD 50/70Hz Low Pas Subwoofer Electronic Crossover USA $26.99 |
| | BRAND NEW A PAIR OF ALPINE SPX 177A CROSSOVER NETWORK BOXES $59.99 |
| | Rolls RX321 Stereo 2-Way/ Mono 3-Way Electronic Crossover + Sub Woofer $200.00 |
| | ROCKFORD FOSGATE PRIME SERIES CLASS D CAR STEREO MONOBLOCK SUB WOOFER AMPLIFIER $138.15 |
| | FMOD 70/100Hz Low Pass Subwoofer Electronic Crossover $26.99 |
| | BAZOOKA BTA10100 10" 100W RMS CLASS D CAR AUDIO POWERED BASS TUBE SUB WOOFER $218.15 |
| | ALTO X34SW 3 Way Stereo Crossover Plus Subwoofer $109.00 |
| | Infinity REF1600A 600 Watt Mono Subwoofer Amp with On-Board Electronic Crossover $299.00 |
| | 1000 Watt DJ PA 18" Subwoofers with Cabinets & Crossovers, NEW! $99.99 |
| | AUDIO CONTROL DXS 24 DB/OCTAVE 3 WAY DIGITAL AUDIO CROSSOVER W/ STATUS DISPLAY $298.15 |
| | RDL ST-CX1S Subwoofer Crossover Filter - NEW!! $95.00 |
| | LEGACY LXR-7 ELECTRONIC CROSSOVER NETWORK SYSTEM CAR AUDIO SUBWOOFER $189.99 |
| | ENERGY EAC Subwoofer External Electronic Crossover X-Over $159.95 |
| | BOSS AUDIO BX35 NEW SUBWOOFER CROSSOVER ELECTRONIC W/ REMOTE SUB LEVEL CONTROL $42.95 |
| | POWER ACOUSTIK PWM-70 1/2 DIN 7-BAND PARAMETRIC EQUALIZER W/ SUBWOOFER CROSSOVER $46.15 |
| | POWER ACOUSTIK 1/2 DIN 7-BAND GRAPHIC SOUND EQUALIZER W/ SUBWOOFER LEVEL CONTROL $46.15 |
| | 2 FMOD 70Hz LP Low Pass Subwoofer Electronic Crossover $28.99 |
| | NADY CX-22SW 2 WAY STEREO SUBWOOFER CROSSOVER NEW!!!! $89.99 |
| | Nady Crossover cs-22sw 2 way with subwoofer $74.99 |
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