Factory wiring isn't crappy for the most part. The 8-ohm speaker requires less power to generate the same level of volume as a 4-ohm speaker. As an Amazon Associate I earn from qualifying purchases. This should be simple enough for anyone to understand. Car audio amps are designed for use with low-impedance speakers. Can anyone tell me whether wiring these speakers to this amp would impact the power rating? Basically, impedance is the amount of current that flows out of your speaker when a particular amount of voltage is present. Most subwoofers available today have a resistance rating of either 2 ohms or 4 ohms. I've never actually wired 3 0hm speakers to an amp and most amp specs provide 2 ohm and 4 ohm load ratings. But have you ever heard of impedance? If you connect two hot wires together and two ground wires together from different speakers, you have a parallel connection. They have a certain level of resistance to an audio signal. When you multiply the amount of voltage by the amps of the current present, you get the amount of power that is accepted. If a speaker has low impedance, that means it can tolerate more power (a stronger current). Be careful if you try to combine a 4-ohm speaker and 8-ohm speaker to the same amplifier because you could blow out your speakers if you do it incorrectly. Thanks in advance! If your speakers are rated at 6- or 8-ohms… Discussion in 'Audio & Video' started by blacksandtaco, Mar 2, 2009. Looks like you're using new Reddit on an old browser. You must multiply the 4-ohm by the 4-ohm and also add 4-ohm to 4-ohm. Press question mark to learn the rest of the keyboard shortcuts. If you think of the AMP as a pump, it will have to work harder to output the same current on the larger pipe. You can think of impedance like a restriction placed on the electrical current flow that exists within a circuit. Q&A, Advice, Tips, tricks and tech welcome! You need to make sure your speakers have an impedance rating which accommodates your amplifier. The results are 16 and 8; respectively. Required fields are marked *. That is how you’ll know that your sound quality will be smooth and efficient. A 3 ohm speaker can get more power out of an amplifier designed to handle lower resistance loads. So, if you link dual 4-ohm speakers together with a series connection, then you turn them into 8-ohm speakers because the 4-ohm and 4-ohm get added together. Heads, Subs, EQs, etc... Bring it into our show room. Thanks! They claim that in combination with crappy high impedance factory wiring you end up with close to a 4-ohm load, so that should help max out a crappy 4-ohm rated factory deck by keeping a total final impedance of 4 ohm instead of 5? If it has an 8-ohm output, then you connect an 8-ohm speaker into it. Please refer to the links below for basic starting information. Be careful if you try to combine a 4-ohm speaker and 8-ohm speaker to the same amplifier because you could blow out your speakers if you do it incorrectly. For The Car Audio and Video enthusiast! A 3 ohm speaker has the potential to damage amplifiers that aren't meant to handle lower resistance loads. But if you connect a hot wire and ground wire together between two speakers, you have a series connection. If you've put a speaker you've measured as 4 ohms in a factory location and measure the resistance of the speaker from the head unit it isn't going to change more than something like .3 ohms, and that's a lot. Are these 3-ohm speakers a good way to improve sound on a factory deck? When in doubt about a 4 ohm speaker's compatibility with a receiver, check with the speaker's and/or receiver's manufacturer. Types of Connections: 4 Ohms and 8 Ohms. If you have a 20-volt signal, then a 4-amp current comes out of the speaker. Just make sure you don’t plug the speaker into the wrong output or else you’ll have bad sound quality. But if you used 8 ohm speakers instead, then you’d have 4 ohms from the parallel connection. 7 Watts of Audio Output and Instant Emergency Channel 9. 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Save my name, email, and website in this browser for the next time I comment. If your amplifier has a 4-ohm output, then you connect a 4-ohm speaker into it. ANL Switch and PA/CB Switch. The site may not work properly if you don't, If you do not update your browser, we suggest you visit, Press J to jump to the feed. In car audio, 4-ohm speakers are the norm. You’ve probably heard of ratings like size, power handling and frequency response. Impedance of Car Speakers . how did you determin they were 3 ohm speakers? They claim that in combination with crappy high impedance factory wiring you end up with close to a 4-ohm load, so that should help max out a crappy 4-ohm rated factory deck by keeping a total final impedance of 4 ohm instead of 5? all 4 ohm speakers will measure DC resistance at about 3 ohms, and in addition to that even 4 ohm speakers never reach 4 ohms unless they are played at their resonant frequency, 99% of the time speakers are presenting anywhere from 4-15 ohms to the amp depending on frequency. When you see the “4 ohms” and “8 ohms,” they refer to the impedance rating of their respective speakers. The lower the ohms, the larger the "pipe" for current to travel through. Thanks for the reply Bass! So crank it up and enjoy. Per Crutchfield "The Club 6520's low-impedance design safely draws more power from your car stereo to give your music extra punch". That is why you should purchase an amplifier which has a high-power rating. A series connection is useful if you want to combine the impedance of the speakers. Each speaker has a hot wire and ground wire. - Black, LITOON OBD2 Plug 16PIN OBDII Male Connector Universal OBD/E-OBD Plug Adapter OBDII Diagostic Tool, Blackvue DR750S-2CH with Power Magic Pro Hardwire Kit | 2-Channel WiFi Cloud Dash Cam Night Vision 1080P Full HD Car DVR Recorder 16GB SD Card, BaoFeng UV-5R Dual Band Handheld Two Way Radio Rechargeable Ham Walkie Talkie with Free Earpiece & Speaker Mic, Yaesu Original FTM-400DR/XDR 144/430MHz Dual-Band Analog/Digital Mobile Transceiver System Fusion, Participate in all Tacoma discussion topics, Communicate privately with other Tacoma owners from around the world, Post your own photos in our Members Gallery. The impedance of a speaker is determined by averaging several different audible frequencies. A 4-ohm speaker extracts twice as much power than an 8-ohm speaker from an amplifier. That might be a little more difficult to understand. If you're measuring something like 5 ohms you've more than likely got a shit connection somewhere. I'm just going off of what the speaker specifications say on Kenwood's site, http://kenwoodusa.com/Compare/?Models=KFC-X172,KFC-X692,KAC-8404, http://kenwoodusa.com/Compare/?Models=KFC-X172,KFC-X692,KAC-8404[/quote, Alpine iLX-W650 7" Mech-Less Receiver Compatible with Apple CarPlay and Android Auto, Kenwood KFC-6966S Speaker 3-Way Automotive Speaker, Add An Amp Amplifier Adapter Interface to Factory OEM Car Stereo Radio System for Select Vehicles - Add Subwoofer Bass Amp etc.- No Factory Premium Amp- Compatible Vehicles listed below, Metra 82-8146 6" x 9" Front Speaker Adapter for Select Lexus and Toyota Vehicles, 50 Trim Panel Clips Compatible with Toyota 67771-04040 Tacoma, Firestik Antenna FireStik MU8R18 18-Foot Single Antenna Coaxial Cable, Rockford Fosgate P1683 Punch 6"x8" 3-Way Full Range Speaker (Pair), Rockford Fosgate R2S-1X10 Prime R2S Single 10" Shallow Loaded Enclosure, 120PCS Solder Seal Wire Connectors - Sopoby Heat Shrink Solder Connectors - Waterproof Solder Butt Connector Kit Insulated Automotive Marine Electrical Wire Terminals, Add An Amp Amplifier Adapter Interface to Factory OEM Car Stereo Radio System for select 2018+ Toyota Vehicles- Add Subwoofer Bass Amp etc.- No Factory Premium Amp- Vehicles listed below, 3M Scotchlok Electrical IDC 804-POUCH, Blue, 18-16 AWG (solid/stranded), 14 AWG (stranded), BATIGE Square Single Port USB 3.0 Panel Flush Mount Extension Cable with Buckle for Car Truck Boat Motorcycle Dashboard 3ft, NATIKA 720P Backup/Front View Camera, IP69K Waterproof Starlight Night Vision High Definition and Super Wide Angle Reverse Rear View Backup Camera for Cars Jeep Trucks SUV RV Van, Metra 40-LX11 Antenna Adaptor Cable - Select 2009-Up Lexus/Toyota, Maestro HRN-RR-TO2 Plug and Play T-Harness for TO2 Toyota Vehicles, uxcell 315mil/8mm 16.36sqft Car Heat Insulation Pad Underlay Foam Self-adhesive Sound Deadening and Automotive Dampening Mat 60"x 40", uxcell 315mil 10.76sqft/8mm 40 X40" Car Auto Cell Bumper Floor Sound Insulation Noise Deadener Dampening Mat Acoustic Barrier, Dasaita 9" Android 10.0 Car Radio for Toyota Tacoma 2011 2012 2013 2014 2015 Bluetooth 5.0 Stereo GPS Navigation Multimedia Player Hexa Core 4G 64G PX6 DSP Android Auto Wireless Carplay 1280x720 HD, 2' Firestik(R) II FS Series Tunable Tip CB Antenna - 300 Watts White FS-2WH, Plugable 7-Port USB 3.0 Hub with 36W Power Adapter, Kicker 10" 600 Watt 4 Ohm Vented Thin Profile Subwoofer Enclosure | 44TCWC104, Aluminum Tape/Aluminum Foil Tape – Professional/Contractor-Grade - 1.9" x 150 feet (3.4 mil) - Perfect for Sealing & patching hot and Cold HVAC, Duct, Pipe, Insulation Home and Commercial, Mosuch 6.5" Plastic Black Speaker Adapter. That is the big difference between the two speakers. I don't think it draws too much more than stock but replacing the stock speaker itself will sound better too.. The 8-ohm speaker requires less power to generate the same level of volume as a 4-ohm speaker. I'm looking at replacing my stock speakers with some Kenwood Excelon models and noticed they carry a 3 ohm impedance. Compact Design. New comments cannot be posted and votes cannot be cast. Your speakers can be wired with a parallel connection or series connection. When multiple speakers are connected to one amplifier output, the impedance rating changes for the speakers. "True 4-ohm" car speakers that are 3-ohm Are these 3-ohm speakers a good way to improve sound on a factory deck? For example, if a 10-volt signal comes out of an amplifier, then a 2-amp current might come out of the speaker.
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