4 channel amp

  1. Doxquzme

    FOR SALE Soundigital EVOPS 800.4 Factory Refurb like new

    Bought this with the hopes of using it on the last DSP channel rear fill. Decided needed something that has a bit more in the way of electronic x-over options. Found me a Helix M SIX that fits the need so this unit is now available. Bench tested, factory refurbished unit, 9/10 only due to slight...
  2. Doxquzme

    Mosconi AS100.4 Vs. Stereo Integrity SIQ75x4

    I am considering replacing my Helix B FOUR and have an opportunity to purchase either the Mosconi or the Stereo Integrity 4 channel amplifiers. These will power dome mids and tweeters in my front stage, lower end midbass powered by Focal FDP 4.600, all are active using existing AudioControl DSP...
  3. Doxquzme

    COMPLETED NIB Audicontrol ACM - 4.300 $200

    This Is a NIB amplifier, one of two that I was to use. Decided to go class A/B on the front mids and tweets and just purchased a Helix B FOUR, just couldn't pass on it. BUT... It's friggin huge and I will not have room to add this as a two way for the rears and will have to settle on 2 of the 4...
  4. S

    Dodge challenger audio upgrade

    I am upgrading the system in my Challenger. I have 2-10’s and an amp right now. I want to add new 6x9’s in the doors, 6.5’s in the back, and 3.5’s in the dash. Planning to run a 4 channel Kenwood or Alpine at 50 x 4 to power the 6x9’s and the 3.5’s and just run the 6.5’s off the factory head...
  5. Umejia1

    COMPLETED Morel MW9 Elate Titanium Woofer and Hertz Amplifiers

    SUBJECT: (2 available) Hertz HCP 1DK, Hertz Mille Power 4, HCP 4D Amplifiers & Morel Elate Ti MW9 Woofers ITEM BRAND & MODEL #: (2) Hertz HCP 1DK Mono Amplifier, Hertz Mille Power 4, 4 Channel Class D Amplifier, Morel Elate Ti MW9 8.75” Woofer CONDITION: Brand new, in box PRICE: Hertz HCP1DK...
  6. M

    amplifier rattle

    I have a ATv2-60.4AB // 420 Watts RMS 4-Channel Car Audio Amplifier that is bolted on a board and the back has a clear plate on it that rattles due to my sub. I am not sure how to keep it from rattling without take the back plate off ( which voids warranty ). anything helps, Thank you!
  7. N

    Powering speakers with different power ratings

    Hello, I have two Kicker 6x8" CS series speakers that are rated at 75 watts RMS 225 watts peak, and two Kicker 6x9" CS series speakers that are rated at 150 watts RMS and 450 watts peak. My question is how do I properly power all four speakers with a single 4 channel amp? They are 4 ohm speakers...
  8. BryceCC

    One speaker working at at a time with new amp. Please help!

    Hello, I am relatively new to car audio and decided to install an aftermarket amp, front door speakers, and subwoofer into my car. I was on a budget and decided to get a 4-channel amplifier and bridge the rear channels to the subwoofer and front channels to the front door speakers. I have a 2010...
  9. L

    Bridging a head unit that is 50Wx4 so that it gives full power to only 2 speakers

    The Only speakers running off my Head Unit are my woofers in my rear backseat, and i want to give them more power by wiring them to my HU differently. I was thinking about how i can bridge a 4 channel amp to just two speakers by connecting the negative speaker wire to a negative of one channel...
  10. B

    Remote Bass Controller w/ Multi Channel Amp ?????

    Hello, new to the world of custom car audio and was curious if it was possible to add a remote bass controller (or a gain controller by any other name) for a sub to a 4 channel amp powering the sub and component speakers? This would be optimum as it would save money and space (single cab truck)...
  11. 350zkid

    Ppi 900.4

    Item(s) for Sale: PPI 900.4 Item(s) Description/Condition: Barely used. Nearly mint. Price: $138 shipped Shipping and Miscellaneous Item Information: Item Pictures: (List pictures in this section, 1st picture should be your username/date if you have less than 10 positive feedbacks...
  12. M

    Static noise with 4 channel amp.

    Hello everyone, I recently installed a 4 channel amp along with 4 speakers in my car. I had previously installed a mono channel with 2 subs and that worked perfectly, however when I installed the 4 channel amp I can hear a, sometimes small, sometimes noticeable, static sound. Also at times the...
  13. J

    Having issues hooking up 4 channel amp to stock headunit

    I have a four channel amplifier and a set of speakers to go with it that I have already wired up using a line out converter but, I am having issues with it working right. For some reason I do not hear some notes in songs. I have tried using a LOC with y cables to split the two rca preouts to...
  14. S

    6 speakers in a 4 channel setup with mixed impedances

    Hey all I'm new to these forums so I hope I'm in the right place... anyway I currently have a 4 speaker system hooked up to my Crunch PZX1200.4. The speakers are 2 ohms so that's 300w per speaker. (even though the speakers are only rated for 150w rms at 2 ohms, but that's another story) I have...
  15. M

    Need help installing 4 channel amp on Appradio 3

    Ok here is my problem, I have an appradio 3 heads unit that only has four channel output. It has front right and left, and rear right and left or sub woofer output. Since I have already installed a subwoofer with a mono channel amp I want to know how I could install a four channel amp given that...
  16. B

    Sundown Audio SAX-100.4

    Item(s) for Sale: Sundown Audio SAX-100.4 Item(s) Description/Condition: Rated power output ----RMS power, 4 ohm stereo 100W x 4CH ----RMS power, 2 ohm stereo 160W x 4CH ----RMS power, 4 ohm bridged 320W x 2CH Signal to Noise Ratio >90dB Low pass frequency crossover...
  17. R

    Powerbass ASA 400.4x and Scosche Hyper-Drive HD 3001

    Item(s) for Sale: A PowerBass ASA 400.4x 4 Channel Amp and Scosche Hyper-Drive HD 3001 Mono Channel Amp Also throwing in a Scosche Power Distributor for free Item(s) Description/Condition: Used 9/10 Condition Price: I would like to get $110 for the pair or $60 a piece feel free to message...
  18. M

    JL Audio A4300 4 Channel Amp

    Item(s) for Sale: JL Audio A4300 4 Channel Amp Item(s) Description/Condition: Used 8.5 out of 10 condition Price: JL Audio A4300 Car Amplifier 99440980645 | eBay Shipping and Miscellaneous Item Information: You Pay $35.00 Item Pictures: (List pictures in this section, 1st picture...
  19. R

    5/4 channel Amp and 6.5" component set.

    I'm looking for an amp that has good SQ, THD% below .05. PPI, JL, Zapco etc....... Budget is $50-200, will make exceptions for more expensive, better quality, well-priced amps. Also looking for 6.5 or 6.75 inch components with tweeters and crossovers.
  20. S

    Dual Voice Coil Noobism

    Excuse me my negros, I have a Alpine Type-R 10" DVC subwoofer rated at 300w RMS total. Each coil is 2 Ohm, so 4 Ohms altogether. But my 320w RMS 4-channel amp (4X 80w RMS) can only make 2 X 160w RMS after it's bridged. The amp specs appear to be standard for 4 Ohm per channel usage. Is there...
  21. C

    New PPI Phantom P900.4 4-Channel

    Item(s) for Sale: SALE PENDING Precision Power Phantom 900.4 Amplifier 4 ohms: 145 watts RMS x 4 chan. 2 ohms: 225 watts RMS x 4 chan. Bridged, 4 ohms: 450 watts RMS x 2 chan Item(s) Description/Condition: This amplifier was mounted but never powered. It is indistinguishable from a new...
  22. rfluvinmf

    FS: Alpine MRP-f250 (4-channel)

    Item(s) for Sale: ^^CHECK TITLE^^ Item(s) Description/Condition: 9/10 Cosmetically & 10/10 Functionality Price: $85 OBO shipped/insured Shipping and Miscellaneous Item Information: Will be included in total price. Helluva deal if purchased today. Item Pictures: (List pictures in...
  23. 350zkid

    Audiopipe AQX 360.4

    1. Product: Audiopipe AQX 360.4 2. Specs: AQX Elite MOSFET amplifier series have been tested and proven to deliver the best power, performance and durability whether you're competing or just cruising down on the strip. Its bold body is constructed of a special cast aluminum...
  24. Why So Cereal?

    Better 4 Channel Amp of these???

    right now i have an autotek at1200 that....pretty much *****! My budget is about $250 and i have narrowed it down to these 3 4 channel amps. 1. Boston Acoustics GT-475 ($209) 2. Kicker IX 500.4($229) 3. Rockford P500-4 ($259) they are all cea compliant and rated at about the same amt of...
  25. C

    Rare Earthquake 4400txo

    Item(s) for Sale: Earthquake 4400txo Item(s) Description/Condition:With a little touch up this will be show car ready and all channels work like a champ! 4 x 85 RMS @ 4ohm on 12 volts 0.05%THD 4 x 160 RMS @ 2ohm on 12 volts 0.05%THD Price:$125 Shipping and Miscellaneous Item Information:Free...
  26. Z

    Orion Cobalt CO6004 vs. JBL GT5 A604 vs. MB Quart Onx 4.60 vs. MB Quart NAU 460

    I am looking at buying one of these four channel amps and they are all in the same price range. Which amp would you recommend I get. PS I know that none of these amps are great but I'm on a tight budget
  27. Z

    Putting a marine amp in a car

    I am looking at getting a 4-channel amp and the MB Quart NAU 460 in my car. This product is listed as a marine amp and I'm wondering if it will work properly in a car. I would just get the MB Quart ONX4.60 but it sells for $20 more. Thank for your help.
  28. boilermaker-744

    SOLD F/S 2 SounDigital SD1000.4's

    Item(s) for Sale: (1) SounDigital 1000.4 Item(s) Description/Condition: BRAND NEW IN BOX - MINT!! NEVER SEEN POWER!! NO TRADES!!::: SOUNDIGITAL ::: Price: 585 SHIPPED U.S. Only MAKE OFFERS Shipping and Miscellaneous Item Information: UPS Item Pictures: (List pictures in this...
  29. P

    SOLD FS: Cadence Xa125.4 Amp

    Looking to get around $80 shipped Model Xa125.4 4-Channel High Power Stereo Amplifier Specifications: • 4 Ohm RMS Power: 80 Watts x 4 • 2 Ohm RMS Power: 125 Watts x 4 • 4 Ohm Bridged RMS Power: 250 Watts x 2 • XENITH Power: 1000 Watts • Minimum THD: • Frequency Response: 10Hz – 40 kHz...