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Replacing speakers/amp on 2015 G23 CE - What is recommended with my current setup?

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  • Replacing speakers/amp on 2015 G23 CE - What is recommended with my current setup?

    1. Im replacing the interior speakers (stock installation) and an amp that is bad
    or potentially a whole new system if it make sense


    2x tower JL 7.7 - MCS-77CCX5-4-TB (these were what was stock, and i already replaced them with 2 new ones of the same model)
    6x Polk mm651 interior speakers - these are pretty much shot after 4yrs salt water use)
    Polkaudio 10in sub (works fine)

    2 amps
    PA D4004.4
    PA D5005.5

    Head unit
    Polk PA450UM - works fine

    3. ISSUES

    a. i forget which amp works what, but one of the tower speakers always cuts out once the amp gets hot (speak is brand new). so i figured i need a new amp

    b. also currently the volume randomly changes constantly. and when i speed up, then reduce throttle, the sound goes way down. maybe a feature, but i dont want it.

    c. half the interior speaks arnt working or sound bad....salt corrosion setting in


    Im preferring to go all JL if possible
    ill install 6 new interior speakers, and a new amp (maybe more power?) that wont cut out
    might also get 2 more tower speakers installed if thats not too hard

    maybe i can bypass the console completely and just connect my phone with bluetooth to the head unit in the glove box? skip all the issues with the console and control it with my phone only

    polk mm651
    Type: Full Range
    Channels: 2‑way
    6.5in (or 6.75in?)
    6-3/4" 2-way speakers (pair)
    woven honeycomb glass fiber composite woofer cone with butyl rubber surround
    1" silk composite dome tweeter with swivel mount
    includes two external crossovers (speaker wire not included)
    certified for marine use
    2.7-ohm impedance for extra power (compatible with all factory or aftermarket car stereos)
    power range: 15-100 watts RMS (200 watts peak power)
    frequency response: 40-25,000 Hz
    sensitivity: 94 dB @ 1 watt

    PA D5005
    5-channel car amplifier
    70 watts RMS x 4 + 200 watts RMS x 1 at 4 ohms
    100 watts RMS x 4 + 400 watts RMS x 1 at 2 ohms
    200 watts RMS x 2 in bridged mode at 4 ohms + 500 watts RMS x 1 at 1 ohm
    variable gain, high-pass filter (40-400 Hz 12 dB/octave), and low-pass filter (80-4000 Hz, 12 dB per octave) for front channels
    variable gain and high-pass filter (40-4000 Hz 12 dB/octave) for rear channels
    variable gain, low-pass filter (40-220 Hz, 12 dB/octave) and subsonic filter (20-38 Hz) for subwoofer channel
    wired remote subwoofer level control
    preamp inputs
    fuse rating: 40A x 2
    4-gauge power and ground leads recommended wiring and hardware not included with amplifier

    PA D4004

    PA D Series 4-Channel Class D Car Amplifier
    RMS Power Rating:
    4 ohms: 125 watts x 4 chan.
    2 ohms: 200 watts x 4 chan.
    Bridged, 4 ohms: 400 watts x 2 chan.
    CEA-2006 Compliant Amplifier
    Pulse Width Modulated MOSFET power supply
    LED power (blue) and protect (red) indicators
    Soft start turn-on
    4, 3 and 2 Channel Operation
    4-way protection circuitry (thermal, overload, reverse polarity & speaker short protection)
    Heavy duty aluminum alloy heat-sink
    Nickel-plated RCA level inputs
    Nickel-plated screw terminals
    Input sensitivity: 200mV - 6V
    Frequency Response: 20 - 20,000 Hz
    Damping Factor: >100
    Total Harmonic Distortion (THD): <0.1%
    Signal to Noise Ration: 105 dBA
    Selectable crossover modes: LPF / FULL / HPF , with 10x Multiplier
    Variable high-pass filter: 20 - 400 Hz (10x Capable), 12 dB/octave
    Variable low-pass filter: 50 - 500 Hz (10x Capable), 12 dB/octave
    Fuse Rating: 40A x 1 + 35A x 1
    Supply Voltage: 10V - 16V
    12 AWG Speaker Connections

  • #2
    The PAD400.4 should power the tower speakers. You can confirm by disconnecting a power cable, then power the system up and see which speakers no longer play.