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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
| | Audio Control 2XS 2-Way Electronic Subwoofer Crossover - 90Hz $89.99 |
| | SUBWOOFER CROSSOVER NETWORK BRAND NEW $11.04 |
| | New Pyle PLXR8 3 Way Electronic Crossover w/Remote Subwoofer Control Car Audio $56.20 |
| | PLANET AUDIO EC10B 2-WAY ELECTRONIC CAR CROSSOVER REMOTE SUBWOOFER SUB BASS KNOB $34.95 |
| | PT Cruiser 80 Watt 8" Subwoofer with digital crossover 2002 2004 2006 2008 2010 $49.99 |
| | 2-Way Crossover Network w/ Subwoofer Level Control $69.99 |
| | OPTIMUS ELECTRONIC SUBWOOFER CROSSOVER NETWORK $0.99 |
| | NADY CX-22SW 2-Way Stereo Crossover Plus Subwoofer $12.50 |
| | Electronic Car Audio Subwoofer Crossover Unit $11.04 |
| | Treble Blocker Low Pass Crossover 120hz 8ohm Sub Woofer $19.95 |
| | 4 or 8 ohm 250 Watt Cerwin Vega Subwoofer Cross-over $9.99 |
| | Harrison Lab F-Mod FMOD Sub Woofer Subwoofer Crossovers $26.08 |
| | Bose Acoustimass 10 Subwoofer crossover (187676) $39.99 |
| | 450 WATT POWERED SUBWOOFER PLATE AMPLIFER WITH CROSSOVER (BARELY USED) $59.00 |
| | Jl Audio E4300 Car Amplifier 4 Channel with Subwoofer and Midrange Crossover Amp $103.50 |
| | DIAMOND 2 WAY STEREO PASSIVE SUBWOOFER CROSSOVER S @NEW $9.99 |
| | DALCO - - SUB WOOFER ELECTRONIC CROSSOVER NETWORK UNIT ***NEW*** $19.95 |
| | BLAUPUNKT(GERMAN )90 WATT SUB WOOFER & CROSSOVER,NIB LAST 1 LAST 1 $69.90 |
| | EV ELECTROVOICE SBA760 15"POWERED SUB SUBWOOFER W/DYNACORD AMP+STEREO CROSSOVER $795.00 |
| | FMOD 70/100Hz Low Pass Subwoofer Electronic Crossover $26.99 |
| | RAMSA SUBWOOFER PROCESSOR WS-SP2A GREAT CONDITION!! $69.00 |
| | 2-Way Electronic Crossover Network w/Subwoofer Control $59.81 |
| | BOSE SE-6 Acoustimass Subwoofer & Crossover $79.95 |
| | PHONICS DIGITAL PD2522 2 CHANNEL 1000W MAX MOSFET CAR SUB WOOFER POWER AMPLIFIER $68.15 |
| | PHONICS DIGITAL 1000W MAX 2 CHANNEL BRIDGEABLE AMPLIFIER W/ BUILT-IN CROSSOVER $68.15 |
| | Treble Blocker Low Pass Crossover 4 Mid Bass Sub Woofer $10.95 |
| | JBL subwoofer crossover Twin leads 200 watts... You could build a monster Sub $19.99 |
| | Crack AX-200 LINE LEVEL CROSSOVER Subwoofer car stereo $60.00 |
| | Optimus Electronic Subwoofer 2 way Crossover DC 12V Bass Boost FREE SHIPPING $0.99 |
| | Boss BX15 Active 12 dB Electronic Subwoofer/Sub Woofer Crossover $23.99 |
| | 110 Watt - XL110 - Stereo Amplifier - 2 Channel Subwoofer Crossover, Good Condit $14.99 |
| | PYLE PLXR2 ELECTRONIC SUBWOOFER CROSSOVER NETWORK $33.98 |
| | Anthony Gallo MPC-1 Subwoofer & Crossover $249.00 |
| | PYLE 3-Way Crossover Remote Subwoofer Control PLXR8 $49.00 |
| | BLAUPUNKT(GERMAN )90 WATT SUB WOOFER & CROSSOVER,NIB $69.90 |
| | SSL 2-Way Electronic Crossover with Subwoofer Level Control - Model SSL-SX210 $42.08 |
| | NEW SOUNDSTORM SX310 ELECTRONIC CROSSOVER WITH REMOTE SUBWOOFER SUB CONTROL $41.89 |
| | SSL 2/3-Way Electronic Crossover with Subwoofer Level Control - Model SSL-SX310 $49.59 |
| | NEW SOUNDSTORM SX210 2 WAY ELECTRONIC CROSSOVER WITH REMOTE SUBWOOFER CONTROL $33.89 |
| | BOSS BX15 ELECTRONIC CAR SUBWOOFER CROSSOVER NEW $24.89 |
| | 700 Watt 15" DJ PA Subwoofers Cabinets Crossovers, NEW $59.99 |
| | BOSS AUDIO BX25 NEW ELECTRONIC SUBWOOFER CROSSOVER W/ REMOTE SUB LEVEL CONTROL $42.95 |
| | BOSS AUDIO BX45 NEW ELECTRONIC SUBWOOFER CROSSOVER W/ REMOTE SUB LEVEL CONTROL $44.95 |
| | RDL ST-CX1S Subwoofer Crossover Filter $80.00 |
| | TECHNICAL PRO XOB3 PROFESSIONAL 3-WAY CROSSOVER WITH SUBWOOFER OUTPUT (WARRANTY) $109.99 |
| | Performance Teknique CROSSOVER ICBM-7211 AMP 2/3 WAY AND SUB WOOFER CONTROL USED $69.00 |
| | Lanzar VIBEX6 Vibe 3 Way Electronic Crossover Network w/Remote Subwoofer Control $51.20 |
| | Memphis Polk Stinger Kenwood Car Audio Amplifier Crossover Subwoofers System $89.99 |
| | PEAVEY crossover100 Hz subwoofer output PV23XO $115.00 |
| | AUDIOCONTROL IN-DASH 4-CHANNEL PRE-AMPLIFIER BASS EQUALIZER CROSSOVER CONTROLLER $248.15 |
| | Stereo Subwoofer Crossover 120Hz 2 way 12dB AudioSource $9.99 |
| | Lanzar VIBEX2 Vibe 2 Way Electronic Crossover Network w/Remote Subwoofer Control $41.50 |
| | Shadow Sound In-Wall Speaker System with 8" DVC Subwoofer, Crossover, & Speakers $70.55 |
| | 2 Harrison F-Mod FMOD Woofer Subwoofer 200hz Low Pass Pre Amp Crossovers 10V RMS $26.08 |
| | Electronic Car Audio Subwoofer Crossover Unit 3 Band $18.57 |
| | Technical Pro XOB2 2-Way Crossover w/ Subwoofer Output $98.99 |
| | Brand New Electronic Subwoofer Crossover Network $24.99 |
| | 2 Harrison Lab F-Mod FMOD Low Pass Subwoofer Crossovers $26.08 |
| | PYRAMID Model CR-66 SUBWOOFER ELECTRONIC CROSSOVER $25.00 |
| | Soundstorm Sx210 Electronic Crossover With Remote Subwoofer Level Control $49.00 |
| | VIBEX6 Vibe 3 Way Electronic Crossover Network with Remote Subwoofer Control $58.93 |
| | Soundstorm Sx210 Electronic Crossover With Remote Subwoofer Level Control [2 $36.00 |
| | ELECTRONIC CROSSOVER NETWORK 2WAY W/SUBWOOFER PLXR5 $49.98 |
| | Cadence CEQ-773 (CEQ773) 7-Band Paragraphic Equalizer + Subwoofer Crossover $49.99 |
| | 1 WAY 200 WATT SUBWOOFER SPEAKER CROSSOVER $10.25 |
| | SOUNDSTREAM 2-OHM 400W RMS SLIM UNDER SEAT BASS SUB WOOFER AMPLIFIER ENCLOSURE $169.95 |
| | BOSS BX25 2-WAY CAR SUB WOOFER ELECTRONIC CROSSOVER NEW $43.99 |
| | Lanzar VIBEX8 Vibe 3 Way Electronic Crossover Network w/Remote Subwoofer Control $58.30 |
| | AUDIO CONTROL 6 CHANNEL CAR STEREO ELECTRONIC CROSSOVER W/ REMOTE BASS CONTROL $196.15 |
| | DIESEL AUDIO 1400W MAX BRIDGEABLE MOSFET STEREO AMPLIFIER W/ BUILT IN CROSSOVER $118.15 |
| | BAZOOKA BTA10100 10" 100W RMS CLASS D CAR AUDIO POWERED BASS TUBE SUB WOOFER $218.15 |
| | BAZOOKA 100W RMS CLASS D10" VEHICLE STEREO POWERED AMPLIFIED BASS TUBE SUBWOOFER $218.15 |
| | Treble Blocker Low Pass Crossover 160hz 4ohm Sub Woofer $17.95 |
| | VIBE 3WAY ELECTRONIC CROSSOVER NETWORK REMOTE SUBWOOFER $41.00 |
| | 3-WAY ELECTRONIC CROSSOVER NETWORK W/REMOTE SUBWOOFER $39.99 |
| | LEGACY LXR1 ELECTRONIC SUBWOOFER CROSSOVER NETWORK $23.22 |
| | ELECTRONIC SUBWOOFER CROSSOVER NETWORK W/12DB BASS BOOS $25.00 |
| | 3 WAY ELECTRONIC CROSSOVER W/REMOTE SUBWOOFER CONTROL $45.00 |
| | PHONICS DIGITAL PD2522 1000W MAX CAR SUB WOOFER 2-CHANNEL POWER MOSFET AMPLIFIER $68.15 |
| | Behringer Super-X CX2310 Crossover (Stereo 2-Way/Mono 3-Way w/ Subwoofer Output) $84.95 |
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