1. cmartinez73

    Is it Ok to run under RMS rating?

    Im very new to caraudio and trying to learn so bare with. Im going with 2 AB HD 12s that have a combined rms rating of 4000, would they sound/is it possible to run them at 1750 each for a combined rms of 3500? i know its best to run subs at their rms rating but would it be severely not...
  2. C

    The Secrets of Speaker

    We just released an article about the knowledge of the speaker! https://blog.cadencesound.com/index.php/2022/09/13/how-many-watts-do-car-speakers-need/ Hope everyone like it.
  3. M

    Which Amplifier to use for these two subwoofers?

    Hi, this is my first post! Any help would be much appreciated. Now I am looking at getting 2 subwoofers and these are Pioneer TS-W311D4 (12" Champion Series DVC 4 ohm). These subs perform at 800 watt rms combined (400 watt rms each) and I'm going to wire the DVC in parallel and in parallel with...
  4. G

    Does Sound quality rely on RMS?

    I hope there is someone here who will actually read through this detailed topic and give me some good advice! Here is my situation. I have a 2011 Toyota Corolla Le. Its stock system consists of 6 speakers; 2 tweeters, (2) 6 3/4" speakers, and (2) 6x9" speakers. I have a 12" rockford fosgate P2...
  5. D

    Ok to run 150 rms speakers with 100rms

    I’m upgrading my car audio system my amp I have is setup for 100rms X 4 at 4ohms  or 150rms X 4 at 2ohms  i have a set of 2 pinoer 100rms 4 ohm speaker and another set of 2 6x9 kickers 150rms 4ohm is it ok if I run them together 
  6. D

    skar audio VVX-D4 10"

    I just got a skar audio VVX-D4 10" I have 600rms (35v) at 2 ohm, and the sub still barely moves. it needs broken in but I still feel it should be moving a lot more, the box is a little big but I think the cone should still move a lot more. any advise or information on this?
  7. F

    Amp to match 80rms/170max watts & power reserve

    SPEAKER: MB Quart QS216 (1-pair) AMP: ? CAPACITOR: ? Looking for amp to match MB Quart speakers rated at 80/170w. Power rating is 4 ohms. I only prefer to shop at sonicelectronix. I found a couple 2channel-ClassAB amps that have an rms ranging from 100-150w. Are there any benefits in going above...
  8. C

    need a powerful good amp

    hey Guys, I am running 2 zv4 12s and I always seem to get amps that will not run them because I am just too cheap, but now I'm ready to spend the money for a good amp I need around 4-5k Rms and be able to be wired down to .5 ohms all within staying in the $800 range, any possible amps you guys...
  9. S

    Why won't my subwoofer move like it's supposed to?

    I've got a Rockford Fosgate P2D4-10, (10" 4ohm 300W RMS DVC) sub wired in parallel to present a 2 ohm load to my amp. My amp is a soundstream PN5 640D which is 60Wx4 for the speaker channels at 4 ohms, and 350Wx1 @ 2 ohms -- I've wired it to the subwoofer parallel for a 2ohm load. I'm not...
  10. krash91

    Will this setup work?

    Hey all! I just joined this forum because after some lurking, it seems there are some pretty knowledgable members on here haha. I currently own a 240sx, I've never really looked into upgrading the sound. I have some random speakers in there that I found while cleaning my garage Currently...
  11. D

    Is it bad to be under RMS?

    Is it bad to go under RMS on component speakers? seeing that the polk Audio DB6501 need 100 watts rms at 4 ohms and most 4 channel amps at most give 75 at 4 ohms
  12. sharkman

    max rms for sx 18 in big box

    Hello everyone. I have a re sx 18 d2 and the box i built for it is 9.2 after sub and port displacement. My ? Is what is the max rms i can give this sub with this size box. I understand that the sub can take up to 2k but thats changes for the boxx size right?... as of now i dont have an amp. This...
  13. L

    help with TRUE RMS and heat prob.

    I have a Quantum audio qca-2000d. The specs on the net say 2000w at 1ohm. I will be pushing a ohm load. The specs on the net don't say rms or not. I have two t55 mtx 12s 600rms. So has anyone used this amp or knows if its true rms is really 2000..please heinlp I dnt wanna burn up my subs. I have...
  14. S

    What is the true RMS power of this amp?

    I was looking at a Boss Audio Phantom PH4.400 amp that claims 4 X 160 watts RMS (Total: 640 watts RMS). When I checked the fuse rating, it was a total of 40 amps, which would only merit an 8 gauge power cable. I would have thought that a true 640 watts RMS would require at least a 4 gauge cable...
  15. S


    Ay yo mayyn, My new amp has a 90A fuse and rates at 4 X 120 watts RMS. My Pioneer 6.5 front speakers rate at 50 watts RMS. The reason I got this amp was to bridge the rear channels to my subwoofer. But I'm concerned that even with the gains all the way down on the front channels, it might...
  16. R

    Extra Power

    I've heard of many subs being stable past their reccommended RMS wattage and wonder how much of a difference is actually made. Ive got two JL 12w3v3 subs with a Cadence ZRS 7000D amp and Was wondering if I wired it down to 1 ohm (pushing 650 RMS to each sub rather than the reccommended 500 RMS)...
  17. jham

    FI BTL Fully Loaded

    Item(s) for Sale: FI BTL Fully Loaded 12" Also have a Mmats m2000.05d and a batcap 2000 for sale as well Item(s) Description/Condition: FI BTL Fully Loaded 12" 2500W rms 5000W max perfect working condition Price: 450 OBO Shipping and Miscellaneous Item Information: msg me zip ill calc...
  18. N

    New head unit and speaker install

    Hey Ive read a lot of conflicting info regarding this and figured that I will ask the pros. So I have a 03 Hyundai Sonata with stock speakers. One speaker doesnt even work. I want to install a new set of speakers and a head unit. For the head unit I am considering the Sony dsx-s100 or the...
  19. therock0720

    Looking for a Sub with Tight and Clean Bass

    Hey guys, I'm looking for a new stereo setup for my Eclipse. My recent setup (2 10" Kicker subs, with a 100 watt RMS per channel Kicker Amp) was recently stolen :/ along with my Kenwood deck being destroyed. I was wondering what you guys/gals recommend for tight, clean bass (sub woofer and...
  20. C

    SPL grla5500/1d VS. SSL EV5000 which is better?

    GRLA5500: RMS Power Rating: 4 ohms: 1700 watts x 1 chan. 2 ohms: 2500 watts x 1 chan. 1 ohm: 3200 watts x 1 chan. SSL EV5000 1 ohm 5000w x 1 Max power 2 ohm 3500w x 1 Max power, 4 ohm 1800w x 1 RMS power 2 ohm 2500w x 1 RMS The ssl claims to be 1 ohm stable but i had it on 4 alpine...
  21. A

    FS - Alpine PDX-1.600 - 600w @ 2-4 ohms

    Item(s) for Sale: ALPINE PDX-1.600 Item(s) Description/Condition: Description: mono subwoofer amplifier 600 watts RMS x 1 at 4 ohms (600 watts RMS x 1 at 2 ohms) CEA-2006 compliant stackable installation design with front-panel controls variable low-pass filter (50-200 Hz, 24 dB/octave)...
  22. P

    another rendition of "overpower vs underpower"

    i know versions of this issue are everywhere, but i want a specific answer. what are the chances of me blowing a 10" infinity reference sub (model: 1060w, rated RMS: 275w) with a kicker dx300.2 amp (300w RMS) in a sealed box? i dont crank my music too loud, so i thought i would be fine till i...
  23. M

    Two subs different rms

    I know this might have been asked before but I had two 4 ohm Rockford fosgate p1s and my amp blew takin one sub with it, idk how, but I bought a new amp a jl audio j2 500 and my friend gave me a Alpine Type E. Both speakers are 4 ohms but the rockford has a rms or 150 and the alpine is 250...
  24. A

    What Amp Would be Right for Me?

    Hey guys now I've got some questions that I just gotta throw down right now. I'm finally done listening to all the business men trying to take my money by feeding me lies and screwing me over. So I bought a SPG555 for $900 then bought the case for it $150, bought a battery for my car $400...
  25. M

    Understanding Ohms and Amp channels.. HELP!

    Okay i just wanna know how wrong i am here... If I'm looking to get 2 12 inch subs that run at 300 RMS dual voice 2 ohms, i want to get a 2 channel amp that runs at 300 RMS at 2 Ohms.. so then each channel gets 300RMS and/or a 4 channel amp at 2 Ohms that runs 150 RMS each channel then bridge...
  26. 1

    SOLD Sundown Saz3000D for sale

    Item(s) for Sale: Sundown Saz 3000d Item(s) Description/Condition: 750 rms @ 4 ohms 1500 rms @ 2 ohms 3000 rms @ 1 ohm 3000+ rms @ .5 condition is a 8/10 and thats only because there are 2 spots on the amp with very small scratches. amp works perfectly and is still under warranty for...
  27. Nutz

    Good 300 Watt RMS 12" Subwoofer?

    Looking for Opinions on the best quality and best priced 300 Watts RMS 12" Subwoofer. Looking for something loud that I can put in a ported enclosure in the back of my expedition? Suggestions?
  28. A

    confused on what amp to get?

    Ok so im finally upgrading my stock speakers to alpine type r's. I am going to have 5.25 alpine speakers in the front and type r 6x9's in the back. the 5.25 rms at 90 watts and the 6x9 rms at 100 watts. my question is do i need to get a 4 channel amp that RMS's at atleast 100 watts per channel...