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Pioneer GM-D1004

Compact 4-channel car amplifier — 45 watts RMS x 4

Item # 130GMD1004

Pioneer's GM-D1004 4-channel amplifier will power your front and rear speakers with 45 watts RMS each —...

Read more from Crutchfield writer, Buck P.

This item is no longer available.

About the Pioneer GM-D1004

Double the power, double the fun

Pioneer's GM-D1004 4-channel amplifier will power your front and rear speakers with 45 watts RMS each — that's almost three times the power of a typical factory radio or aftermarket receiver. Even better, this compact amplifier runs so efficiently that it can often get its power from the same circuit as your receiver, saving you some wiring hassles. And its tiny size means you can install it almost anywhere, even behind the dash in many vehicles.

Double the power, double the fun

Pioneer's GM-D1004 4-channel amplifier will power your front and rear speakers with 45 watts RMS each — that's almost three times the power of a typical factory radio or aftermarket receiver. Even better, this compact amplifier runs so efficiently that it can often get its power from the same circuit as your receiver, saving you some wiring hassles. And its tiny size means you can install it almost anywhere, even behind the dash in many vehicles.

You can bridge a couple of the GM-D1004's channels together and drive a subwoofer with 90 watts while still powering a pair of front speakers. Universal harnesses let you get signal from an aftermarket receiver's RCA outputs or a factory radio's speaker wiring.

Important note: If your car receiver's power circuit is protected by a 15-amp or larger fuse (check your fuse box or owner's manual), you can tap into it to power your GM-D1004. Otherwise, you'll have to run a power wire to the battery. Be sure to add a 15-amp inline fuse as close to the battery as possible.

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Product highlights:

  • compact 4-channel car amplifier
  • 45 watts RMS x 4 at 2 or 4 ohms
  • 90 watts RMS x 2 at 4 ohms (4-ohm stable in bridged mode)
  • CEA-2006 compliant
  • Class FD amp technology
  • universal harnesses let you get signal from RCA outputs or speaker-level wiring
  • can run off same power circuit as receiver (must be 15-amp or more)
  • switchable front and rear high- and low-pass filters (80 Hz, 12 dB/octave)
  • fuse: 15A
  • 10-gauge power and ground leads recommended, when necessary
  • dimensions: 8-1/8"W x 1-9/16"H x 2-9/16"D
  • warranty: 1 year
  • Our 60-day money-back guarantee
  • MFR # GM-D1004
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What's in the box:

  • 4-Channel amplifier
  • One 15 amp mini blade fuse (installed)
  • 8" Line-level input harness (proprietary plug on one end/four female RCA jacks on the other)
  • 39" Speaker-level input harness
  • 39" Power/Output harness
  • 2 Mounting brackets
  • Two 3/4" Self-tapping screws
  • Owner's manual (English/ French/ Spanish)
  • Warranty information

Customer reviews

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Pioneer GM-D1004 Reviews

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Features

CEA 2006 Compliant: The Pioneer GM-D1004 4-channel amplifier power ratings are measured according to the Consumer Electronics Association's CEA-2006 standards. These standards allow you to accurately compare the rated power output of all CEA-2006 compliant amplifiers, even from different brands. Manufacturers who adhere to the standards can display the CEA-2006 logo on their products and packaging. CEA-2006 Specifications:

  • Power Output:
    • 45 watts x 4 at 4-ohms with <1% THD+N
    • 45 watts x 4 at 2-ohms with <1% THD+N
    • 90 watts x 2 at 4-ohms with <1% THD+N (bridged)
  • Signal to Noise Ratio: 74 dBA

Class-FD Amp: A Class-D amplifier offers higher power in a smaller chassis than conventional Class-AB amp designs. Pioneer's Class-FD design not only delivers full-range Class-D amplification, but is more efficient than other designs. The compact design provides many installation options.

Channel Layout: The GM-D1004 is a 4-channel amplifier; both halves are bridgeable, so it can be wired as 4-channel, 3-channel, or 2-channel.

Auto Turn-on: When using a speaker level input, a signal sensing circuit will automatically turn the amp on and off along with the source unit.

Input Select Switch: The amplifier's input select switch allows you to choose between 4-channel and 2-channel mode. The 2-channel mode only requires connections to the front inputs.

Gain: The amplifier gain is fixed:

  • RCA input: 28 dB (1.0 volt max input)
  • Speaker level input: 8 dB (10 volt max input)

Crossovers: The front and rear amplifier sections have independent crossover controls; each has can be set to low pass, high pass, or off (full range). The crossover points are fixed at 80 Hz and the slope it 12 dB/octave.

Power/Output: The power, ground, remote turn-on, and speaker output wires are housed in a single harness.

Signal Input: Use one of the included input harnesses, line-level or speaker-level.

Dimensions: The approximate amplifier dimensions are:

  • Width:
    • 7-1/4" (chassis)
    • 7-3/4" (including wiring)
    • 8-1/8" (including mounting brackets)
  • Height: 1-1/2"
  • Depth: 2-1/2"

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Customer Q&A

Q
Crutchfield asked: Why did you buy this?
A
Price and small fixture with big power [ Jeremy  Jan 25, 2019 ]
A
Reviews were good, video that you provided for installation looked easy. It is compact so should be easy to find a spot near the head unit which is also a pioneer. Price was very good, then Crutchfield even discounted it even more and with free shipping couldn't pass it up! [ Dave  Dec 31, 2018 ]
A
Enough power to drive upgraded speakers, small enough to fit behind the dashboard (passenger side, next to glove box) [ B  Dec 26, 2018 ]
A
Great Amp, very compact, very good spec., and versatile with three different output format. Two channel one sub. Exactly what I need. [ Juan  Jul 28, 2018 ]
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the experts at Crutchfield highly recommended it [ D  Jun 12, 2018 ]
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After weighing this against the Sony version that is very much like it, i chose the one with a bit more versatility with my eyes set to the future possibilities. [ William  Apr 05, 2018 ]
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brand/compactness/price [ MICHAEL A  Mar 15, 2018 ]
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Easy install onto factory radio. [ Lit  Feb 27, 2018 ]
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Tyler recommended this amp to power my new system [ Keith S.  Jan 02, 2018 ]
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To give the sound a little boost for a soft top beetle [ Edsel  Dec 28, 2017 ]
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To provide my watts to front and rear speakers. [ Steven  Dec 09, 2017 ]
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Price and quality. [ JAMES E  Nov 26, 2017 ]
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Great small amp, easy to hook up. I have put these in many cars and have not had any problems [ PHILLIP  Nov 21, 2017 ]
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Compact size [ Mark  Nov 03, 2017 ]
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Pioneer is great! and so is Crutchfield!! [ Joe  Oct 19, 2017 ]
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Ease of installation and low cost were the primary factors driving this decision. My car is over twenty years old, it has plenty of rattles and road noise, so it can benefit from a little extra power, but it is not the ideal platform to invest in a serious high dollar audio system.....this should be enough to make driving more enjoyable and will likely serve me well for the remaining life of the car, without building a system that approaches what I paid for the car itself. [ MITCH  Oct 10, 2017 ]
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Wanted a small amp for a pair of outdoor speakers on my Jayco Class C Seneca. [ David  Sep 11, 2017 ]
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Small package big power [ Todd  Feb 25, 2017 ]
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small and powerfull [ STEVEN I  Feb 14, 2017 ]
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According to reviews about compact amps and per the recommendations of crutchfield associates this one is the easiest to install and sounds the best. [ Taylor  Feb 08, 2017 ]
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Because it will be perfect for my mids and tweets [ James  Jan 05, 2017 ]
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Perfect size to hide away. [ Michael  Dec 12, 2016 ]
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Price and name of manufacture [ Rudy1517  Nov 08, 2016 ]
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Recommended by online advisor. [ Roger  Oct 23, 2016 ]
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Ive always liked the quality of Pioneer [ Loretta  Sep 19, 2016 ]
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It something small [ Jermaine  Aug 25, 2016 ]
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I went with this amplifier due to the compact size and power output. I am replacing the stock audio in my 2001 Mustang GT, and I wanted to use the stock placement for all speakers and amps. My vehicle came from the factory with the Mach 460 sound system which allows for these amps (I purchased two) to be placed in the same spots as the factory amps, which is hidden up under the rear deck along with the rear speakers. [ Scott  Aug 20, 2016 ]
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The price and size was perfect. I wanted something with a little more punch than my stock radio. [ VTengineer  Aug 17, 2016 ]
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It is the most compatible amp according to my speakers specs. [ Migdalia Nieves  Aug 05, 2016 ]
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Good price on the amp... Plus I was looking for one small enough to hide up under the dash or behind a panel somewhere [ Jeffery M.  Jul 11, 2016 ]
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size and power [ William  Jun 30, 2016 ]
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First component in upgrading the stock system in my 04 Honda Accord for sound improvement. [ Ray  May 26, 2016 ]
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Small form factor and bridging while not needing a new power wire run. Installed in the factory amp location of a saab 900 on a custom aluminum plate using the factory mounts. Works well enough, gains would have been nice but its pretty cheap so ill live. [ CHRISTOPHER  May 19, 2016 ]
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Price and size [ N  May 16, 2016 ]
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able to tap into existing vehicle power wire and not have to run a separate lead to the battery. [ michael  May 15, 2016 ]
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Appears to be the compact type of amplifier I'm looking for to install in my '92 corvette. [ Anthony  May 04, 2016 ]
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I read some of the reviews, this will give my door speakers the little boost I need. [ MIGUEL  Apr 29, 2016 ]
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Price, compact, and advisor recommeded [ Julio  Apr 13, 2016 ]
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Size and Features match my application (2008 Dakota Pickup) [ James  Mar 15, 2016 ]
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24 questions already asked

Q
Will this pair well with the Alpine SPS-610c? I know tweeters are sensitive and I dont want to put too much power to them. I have a kenwood KDC 168U deck.
[ Gerall  Jul 08, 2018 ]
1 answer
A
The Pioneer GM-D1004 amplifier would be a solid addition to pair with your Alpine speakers and Kenwood head unit! The Alpine SPS-610C are designed to handle plenty of power so I wouldn't be concerned with the amp being too much. For more personalized assistance, please feel free to contact an Advisor directly by phone (888.955.6000) or online chat. Hope that helps! :)
[ Larry  Jul 13, 2018 ]  Staff
Q
Does a 2ch high input (limited by my vintage HU output) result in 4ch output from amp, if the 2ch switch input is selected?
[ John  Apr 16, 2018 ]
1 answer
A
It does! You will be able to use front pair of the speaker level inputs on this amp to feed audio to all 4 output channels! My Bio: http://www.crutchfield.com/Support/Bio.aspx?bio=101
[ Paul  May 05, 2018 ]  Staff
Q
Is this appropriate for a boat if the amp is hidden? Also, I was told this is digital and does not produce much heat and could strap it to the top of my radio unit, thoughts?
[ Todd  Mar 23, 2018 ]
3 answers
A
Mine is in a car, not a boat. It works great and does not get too hot, but I would not mount it on top of a radio. Give it space, keep it dry and use all watertight marine conditions. You can mount them 10 feet away from the radio. Pick a good dry location
[ Joe  Apr 03, 2018 ]
A
I think it would work for the boat if there was no way of getting it wet, also this unit does produce a lot of heat, I had it mounted near one of my trucks floor vents and the unit shut down, after I moved it, no problems, I hope this helped.
[ SEAN  Apr 03, 2018 ]
A
I would say yes for a boat as long as it is in a watertight compartment. While the unit gives off heat, I don't recommend strapping two components together as the head unit typically gives off heat and may cause issues for both. The unit is very light. I zip tied it to the dash frame with no issues.
[ HERIBERTO  Apr 03, 2018 ]
Q
Will this automatically take a 2ohm input and switch to a 4ohm output?
[ Cory  Nov 24, 2017 ]
1 answer
A
No. Definitely not. Like most amplifiers, the Pioneer will operate at the presented impedance (within the acceptable range anyway)
[ Ryan  Dec 02, 2017 ]  Staff
Q
Can this plug into pioneer radio without wiring like the alpine version of this? I only have one rca input and my sub is plugged into that
[ Bryan  Aug 06, 2017 ]
1 answer
A
You can use rca inputs or speaker inputs (the wires that would normally run from your head set to the speakers). It Doesn't matter which you choose. You would want to choose the speaker inputs since your sub is connected to your only rca input. It is suggested that you run a separate power wire for the amp (instead of just using your radio power wire) if you choose to use the speaker inputs.
[ Joseph  Aug 06, 2017 ]
Q
Why does the 2 channel setting run my component speakers at full range but the 4 channel setting runs my front speakers as highs and my rear as mids?
[ Juan  Jun 28, 2017 ]
1 answer
A
It seems to me that this setting is in the audio unit and not that amp. Many give the option to set rear speakers as subs.if you scroll through the settings on screen, I think it's likely you'll be able to change it there.
[ Guest  Jun 28, 2017 ]
Q
The Pioneer GM-D1004 has a max input voltage of 1V on the line in, and 10V on the speaker in, according to the specifications. Pioneer head units all seem output 2V on the line out (or 4V in the case of the DEH-X8800BHS), and 14V on the speaker out. Doesn't this mean that you can't turn the volume up all the way on these units or you'll get distortion on the amplifier? Doesn't this also mean that the noise floor will be raised since you can't optimize your gain structure? Doing some math, it seems like you lose 6 dB on most line outs (1V vs 2V), and 12 dB on the DEH-X8800BHS (1V vs 4V), which means your noise floor will be much higher than it could be if you could attenuate the level to match the amp input? I have an 8800, and 12 dB higher noise floor sounds pretty bad. I'm perhaps wishing I got the 7800 so it was only 6 dB higher. Alternatively, you could use the speaker inputs and lose only 3 dB (10V vs 14V), but I'm concerned about the audio quality of using both the internal amp on the head unit and the external amp in series. Is this amp even meant to work with their own head units (especially the 8800 with 4V line outs, which I happened to get), and if so, what's the best way to hook it up to get the best sound quality?
[ Joel  Dec 30, 2016 ]
1 answer
A
Due to the detailed nature of your questions I would recommend reaching out to an Advisor by phone (1-800-324-9695) or online chat. They should be able to help answer all of your questions.
[ Kenny  Dec 30, 2016 ]  Staff
Q
I am looking to purchase this product, but am concerned with power always being at the amp, has anyone had any issues with it draining the battery? I plan on running it using the speaker inputs and not the rca route but without a remote turn on, is the amp constantly on if it is just getting a direct hot feed?
[ tony d  Nov 24, 2016 ]
4 answers
A
The amp needs to be on a remote power or it will drain the power.
[ SEAN  Nov 26, 2016 ]
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Hi Tony, I installed this amp in my jeep about a year ago and have never had a problem with it draining the battery even when I haven't driven the vehicle for weeks at a time. I don't believe it is always on but admittedly haven't searched the documentation. Good luck with the system and Merry Christmas!
[ Charles  Nov 26, 2016 ]
A
It is switchable. If you wire it through acc power it does not draw when vehicle is off. It is a nice little amp. I used it to drive the speakers in my jeep tj.
[ Tad  Nov 26, 2016 ]
A
If you power the amp directly from the battery or a constant power source then the answer is yes, the amp will stay on powered all the time. This amp only requires a 12v 15amp circuit which is one nice feature. You can splice in any 15amp circuit that has KEY ON POWER. Use a multimeter or a test light if you have one or have access to one. A easy way to accomplish this is to look in your fuse box and find a 15amp circuit (minimum) and reference that to the fuse location in your owners manual to find this right wire to splice. And as always, if your not 100% confident in your abilities to do it. Take it to a pro. Its alot better than causing and fire or shorting out a component of your vehicle. I hope this helps. Good luck!
[ Jonathan  Nov 26, 2016 ]
Q
What I dont understand is, crutchfield recommends 10 gauge power wire when attaching to the battery, yet the yellow power wire is only 14 gauge, how am i meant to change it?
[ Dan  Sep 21, 2016 ]
3 answers
A
Dan, The instructions for installation are written for several devices, specifically for your vehicle. A large power supply line from the battery, linked to a smaller incoming wire is a better situation than a small wire from the battery supplying a sip of current to a power hungry larger incoming wire. Just as the water line to the house is larger than the indoor pipes, a large supply line helps ensure adequate supply. With a water line, too small of a water supply line will only cause a low flow and not a hot wire fire in your dashboard. I ran the heavy gauge wire from the battery to the center console where I mounted the Pioneer amp. I mounted a wire block under the center console with the 10 gauge on the incoming side. I attached the 14 gauge to the other side of the block. Should I ever need another power supply, I now have a large 10 gauge feed running to a block with an open spot to attach another smaller wire.
[ Joseph  Sep 28, 2016 ]
A
That is their recommendation when you connect ANY medium power amp DIRECTLY to the battery. The GM-D1004 is a low draw amp which can even be connected to the same power source as the stereo (it doesn't have to be powered directly from the battery) If you decide to go all the way to the battery, there are "terminal blocks" which allow you to connect one large gage wire (10 gage) to two or three smaller gage (12,14,16,18 gage). It's a waste of time and money though.
[ Sean  Sep 22, 2016 ]
A
You can't. I ran 14ga wire. It would make no sense to run 10ga then drop to 14ga. It is important to run 10ga wire with a big amp. Hope this helps.
[ GEORGE  Sep 22, 2016 ]
Q
If I'm powering this from the battery directly, where would I put my ground? Can I use the radio harness ground?
[ Dan  Sep 14, 2016 ]
6 answers
A
Try to ground as close as possible to the amp using a very good chassis ground I did mine to a bolt mount in rear area behind seat did clean off paint I did not use radio harness
[ Allan  Sep 15, 2016 ]
A
Hi Dan W. Yes you can. I just grounded mine behind the head unit. This is a really nice amp not over powering.
[ Charles K.  Sep 15, 2016 ]
A
Used the radio harness and sounds/works great
[ KENNETH  Sep 15, 2016 ]
A
From my memory, the harness can splice in to the head unit/factory harness. It also can just be grounded to the car frame. Both work. I suggest grounding to the frame. It's less wires to tuck behind the head unit.
[ Daniel Lawson  Sep 15, 2016 ]
A
I use the Power directly from the battery and it's OK to use the vehicle's harness groud for the ground.
[ ABNER  Sep 14, 2016 ]
A
I don't recommend using the oem radio harness ground, find a chassis ground point close to the location of the amp and make sure to file away any paint for a good ground connection.
[ Ian  Sep 14, 2016 ]
Q
I need to power this from my battery as my radio fuse is only 7.5 amps. What gauge wire do i need to use and what size fuse. Also, where do I put the power cable in this amp?
[ Dan  Sep 12, 2016 ]
1 answer
A
power 12 volt is the yellow wire and ground is black wire I ran mine to cigarette lighter socket just tied in wires to it the amp doesn't draw much juice no need to run to battery and all the leads are long if u use high input u don't need to hook up remote wire I fitted mine in glove box of a 91 dodge Dakota hope this helps.
[ eric  Sep 14, 2016 ]
Q
I am using this for a factory radio and upgraded Kicker speakers front and back. I also bought a powered bazooka sub. Can I use the powered sub along with this amp? How would I hook it up? Can the powered sub be hooked up directly to this amp or if not can I still splice the powered subwoofer to the factory speaker outputs?
[ Kirk  Aug 11, 2016 ]
1 answer
A
A powered subwoofer would have it's own built-in amplification so, no, you wouldn't connect it to an external amplifier. The Bazooka should offer "Speaker Level Inputs" so you can tap the factory amplified speaker wires to provide it with the audio signal. Many Bazooka models come packaged with their speaker level input harness and wire taps for this purpose specifically. I hope that helps! My Bio: http://www.crutchfield.com/Support/Bio.aspx?bio=5
[ Ryan  Aug 15, 2016 ]  Staff
Q
Do you have to splice into the factor harness to power the amp or speakers in a 2013 f150?
[ Kevin  May 29, 2016 ]
1 answer
A
This will depend largely on the factory capabilities of your F-150 and other parts of your system. Splicing wires is often required to install this Pioneer amp, but for more specific details on your installation please contact an Advisor by phone (1-800-324-9695) or online chat. They will be able to give you the details on what you will need for an installation in your truck. My Bio: http://www.crutchfield.com/Support/Bio.aspx?bio=159
[ Larry  Jun 02, 2016 ]  Staff
Q
Does this have speaker level inputs, so i can use it with my existing radio and after market speakers?
[ Cheryl  Apr 06, 2016 ]
9 answers
A
Yes, the harnesses for that type of set up are included.
[ Kyal  Apr 10, 2016 ]
A
Yes it does have speaker level inputs.
[ Robert  Apr 09, 2016 ]
A
input cables to radio if equipped , yes, can use any speakers, factory radio may not have input connections, I wired amp for door speakers, and used Pioneer radio for speakers in the dash. I hope this helps
[ Allan  Apr 08, 2016 ]
A
This was what needed to upgrade my stock sound system. The pioneer has a inline input that is helpful to install this amp to a factory head unit like mine - Toyota Rav4 2015. Also it was very convenient to use the inline input where you don't need a remote line at all because inline input sensing to turn the amp on or off.
[ ABNER  Apr 08, 2016 ]
A
I'm not sure what you mean by level inputs, but it easily connected to my factory stereo and after-market speakers.
[ JOSHUA  Apr 08, 2016 ]
A
Yes it does. It has both speaker input and RCA inputs. It will work with either. It is a very compact amp.
[ Louis  Apr 08, 2016 ]
A
Yes it has speaker level inputs. Comes with 2 adapters in back one for rca input and one for speaker level
[ Joseph  Apr 08, 2016 ]
A
It does have speaker level inputs. My Dakota application is installed exactly the same as what you wish to do. Additionally, it has high and low pass filters, to limit highs or lows sent into the output, for a sub or to shunt your crossover points more efficiently. It also has a two or four channel input select switch, for ohms matching to either type of receiver. Comes with connector plug adapters and about 10" long wiring bundle to mate up the ends. It is extremely small and compact, making the install very easy.
[ James  Apr 08, 2016 ]
A
Yes it does. It comes with two input harnesses, one for speaker level inputs, the other for front and rear RCA inputs.
[ Ian  Apr 08, 2016 ]
Q
Can I use factory speaker wires with this sub?
[ John  Mar 21, 2016 ]
2 answers
A
Yes. Just make sure neither + nor - is grounded to the vehicle.
[ Guest  Mar 22, 2016 ]
A
Yes, it does have a low pass filter, word of caution not much power for a large subs, 10s maybe.
[ Adam  Mar 21, 2016 ]
Q
Subwoofers - What subs work well with this amp? It seems that with a 90W RMS for a bridged channel there aren't too many options.
[ ??????  Jan 14, 2016 ]
1 answer
A
Thanks for your question. For information on selecting the best sub I would recommend reaching out to an Advisor by phone (1-800-324-9695) or online chat. They will be able to help determine the differences between the models and help you make the best choice for your system.
[ Kenny  Jan 16, 2016 ]  Staff
Q
Is this amp capable of a bridge connection for the 2 frontal speakers?,specs say yes, but the manual doesn´t say anything about it or how to do it, i need some help on that regard
[ César  Jan 10, 2016 ]
1 answer
A
The Pioneer GM-D1004 is a 4-channel amplifier but both halves are bridgeable, so it can be wired as 4-channel, 3-channel, or 2-channel. The amplifier's input select switch allows you to choose between 4-channel and 2-channel mode and you can find detailed wiring instructions for bridged/2-channel mode on page 8 of the owner's manual.
[ Larry  Jan 13, 2016 ]  Staff
Q
Has anyone mounted this behind the radio?
[ ??????  Dec 20, 2015 ]
3 answers
A
Mounted mine on the back wall of my glove box. Easily accessible and looks great.
[ Ian  Apr 08, 2016 ]
A
I have not yet had the opportunity to install mine yet but I have looked at where Its going, and yes I am installing behind the radio, take into consideration what type of vehicle you have( I have a 06 f250), some smaller vehicles may have to have this placed somewhere else. I have also seen them mounted under the passenger side dash depending on heater core location
[ dylan  Dec 21, 2015 ]
A
I tried in my Golf but there wasn't enough space. Also, to mount properly you'll need to have it against a flat surface with the ability to screw it down. Also, you'll lose the ability to change the HPF/LPF easily. I put mine in the glovebox and I couldn't be happier.
[ Daniel Lawson  Dec 21, 2015 ]
Q
according to the specs on this amp, it has a max input of 1 volt for the RCA inputs, does this mean my 4 volt RCA outputs from my head unit are gonna be too much for this amp ? and if that is the case, why does this amp not have the gain control on it, almost every head unit built today has more than 1 volt RCA outputs ?
[ Della  Dec 17, 2015 ]
2 answers
A
that's why they give 2 ops for hookup high input or rca attachments if you're head unit is more than 1volt the use the high input when use the high no need to use remote wire.
[ eric  Sep 14, 2016 ]
A
I jiust have a blue tooth JVC head unit and it works perfect with it, couldn't be happier. I wouldn't pay attention to the volts.
[ SEAN  Dec 18, 2015 ]
Q
What type of speakers should be used with these? The manual makes it a bit confusing 45W or 100W if they're not subs, or if the HPF is used?
[ ??????  Oct 07, 2015 ]
3 answers
A
I'm going to answer this way...most speakers can handle either one so it just depends on what you're trying to accomplish. I use the front channels at 45W each to run a left and right full range speaker and I bridged the rear channels to 90W to run a single 12 inch sub. It sounds great.
[ Darrin  Oct 13, 2015 ]
A
The most important thing here is to use all 4 ohm speakers. This will elimate bridging and make the installation quick. Personally I would go with the 45 watt 4 ohm. For all four.
[ PAUL  Oct 09, 2015 ]
A
Have not installed yet.
[ JAMES E  Oct 09, 2015 ]
Q
How do you adjust the gain?
[ Jr.  Jul 09, 2015 ]
2 answers
A
There isnt one. You can try to go through the reciver and adjust volume settings of it is capable.
[ LUKASZ  Jul 10, 2015 ]
A
There is no "Gain" adjustment for this amplifier. You can adjust the frequencies between low and high using the filter switches for the front and rear channels, but that is all.
[ Tad  Jul 09, 2015 ]
Q
What gauge power cable can this take and how do you remote it so its not on at all times?
[ Daniel  Jan 10, 2015 ]
2 answers
A
remote on this amp is two ways high input no need to hook up blue wire for remote. if u use rca attachment then u need the remote wire I found it easier to use the high input leads.
[ eric  Sep 14, 2016 ]
A
I bought a dual amp kit from Crutchfield as I was hooking up a 1200W subwoofer, thus used an 8 gauge wire to the amp from a splitter. I wouldn't go much thinner than that. For remote power, 'simply' connect the blue remote wire from your source/head radio to the blue wire on the power/output wiring harness. Feel free to call tech support at Crutchfield. I've been on the phone with them for over an hour before to walk through wiring!
[ Peter  Jan 12, 2015 ]
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