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Pioneer GM-D8601

Mono subwoofer amplifier — 800 watts RMS at 1 ohm

Item #: 130GMD8601

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6 Reviews | 1 question - 1 answer

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Cool power

Pioneer's sharp-looking GM-D8601 mono amplifier can send up to 800 watts RMS to your sub setup, for powerful bass that'll get you and your car rockin'. Highly efficient Class D technology keeps this powerful amp running as cool as it looks, and allows for a compact chassis that fits in a lot of out-of-the-way spaces. And this little workhorse can handle a 1-ohm load without breaking a sweat, so you never have to worry about impedance matching when you add subs to your system down the road.

Connecting and tuning made simple

If your car stereo doesn't have RCA outputs, you can use the speaker-level inputs to hook this amp into your system  — the amplifier switches its input mode automatically when it detects the high-level signal. The amp's got a low-pass filter that lets you quickly sharpen and focus the bass to suit your car's interior, and also includes a wired remote boost that lets you control the bass from the front seat.

Product Highlights:

  • mono subwoofer amplifier
  • 300 watts RMS x 1 at 4 ohms (500 watts RMS x 1 at 2 ohms)
  • 800 watts RMS x 1 at 1 ohm
  • CEA-2006 compliant
  • Class D amp technology
  • variable low-pass filter (40-240 Hz, 12 dB per octave)
  • wired remote controls variable bass boost (0-18 dB at 50 Hz)
  • preamp inputs and outputs
  • speaker-level inputs via supplied RCA-type adapters
  • fuse rating: 40A x 2
  • 4-gauge power and ground leads recommended — wiring and hardware not included with amplifier
  • 11"W x 2-3/8"H x 7-7/8"D
  • warranty: 1 year
  • Our 60-day money-back guarantee

My system has plenty of power. Who needs an amp?

You might think you don't need an amp because you have a 400-watt system in your car, or because your new stereo puts out 50 watts a channel. But those are peak wattage ratings, which may boil down to 15 or 20 watts per channel, using the more realistic RMS rating. An amp sends your speakers the power they need to deliver your music with clarity and impact, whether you're using factory speakers or high-performance components. And low-frequency reproduction requires lots of power, so an amp is an absolute must if you're adding a sub to your system.

Hands-on research

What's in the box?

Download owner's manual

  • Mono subwoofer amplifier
  • Remote bass boost control
  • 19' Remote cable (RJ-25 plug on both ends)
  • Two 40 amp ATO fuses (installed)
  • 8" Speaker-level input adapters
  • 3mm Allen wrench
  • Four 5/8" Self-tapping screws
  • Two 3/8" Self-tapping screws
  • Owner's manual (English/ French/ Spanish)
  • Warranty information

Product Research

Features
Controls
Connections

Features

CEA 2006 Compliant: The Pioneer GM-D8601 mono subwoofer 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:
    • 300 watts x 1 at 4Ω with <1% THD+N
    • 500 watts x 1 at 2Ω with <1% THD+N
    • 800 watts x 1 at 1Ω with <1% THD+N
  • Signal to Noise Ratio: 75 dBA

1Ω Stable: The GM-D8601 is capable of powering load impedances down to 1Ω.

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

Controls

Gain Control: The gain control is continuously variable from 200 mV to 6.5 V.

Crossover: The low pass crossover is always engaged, and is continuously variable from 40 to 240 Hz.

Bass Boost: The bass boost circuit is variable from 0 to +18 dB, centered at 50 Hz. Adjustment is made using the included wired remote.

Wired Remote: The bass boost circuit is controlled using the included wired remote, which can be mounted within easy reach of the driver. The remote has integral flanges on both sides to mount the unit under the dash. The remote measures:

  • Width: 1.73" (2.63" including mounting tabs)
  • Height: 0.75"
  • Depth: 1.62" (2.2" including control knob and cable)

Connections

Power: The power and ground connections are set screw terminals that will accommodate up to 4-gauge wire. The included 3mm Allen wrench is used to tighten and loosen the terminals. Pioneer recommends different power and ground wire gauges based on the length of the wire:

  • 6-Gauge: up to 11' 10"
  • 4-Gauge: up to 21'

Remote Turn-on: The remote connection is a set screw terminal that will accommodate up to 8-gauge wire. The included 3mm Allen wrench is used to tighten and loosen the terminals.

Speaker Connections: There are two pair of speaker output set screw terminals, internally shorted together so it's easy to connect two subwoofers. The terminals will accommodate up to 8-gauge wire. The included 3mm Allen wrench is used to tighten and loosen the terminals.

Signal Input: The amplifier features one pair of stereo RCA inputs. If no line level signal is available, use the included speaker wire to RCA adapters.

RCA Output: One pair of preamp output jacks provide a convenient way to daisy-chain an additional amplifier without running another set of RCA cables from the front of the vehicle to the amplifier location. The output is not affected by the internal crossover.

Our Product Research Team

At Crutchfield, you'll get detailed, accurate information that's hard to find elsewhere. That's because we have our own in-house Product Research team — they open the box, verify contents, check the owner's manual, and record dimensions, features and specs. We stay on top of new products and technologies to help people make informed choices.

Pioneer GM-D8601 Reviews

Average Customer Review:

6 reviews
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This Guy Rocks!

Written By DanG, Carleton, MI on Tuesday, June 17, 2014

Crutchfield Customer Review (What's this?)

Does what it's supposed to do and does it well

Pros: Attractive case, easy hookup, great power

Cons: None

Great Amp For The Money

Written By S, Kennesaw, GA on Thursday, March 06, 2014

Had my doubts about purchasing a pioneer amp because I've been loyal to alpine for all my audio needs, but for the price difference I figured I'd give it a shot. Wow. I have it running one 10" type r and its crazy how well it does. Wired at 2 ohms this amp puts out 500w rms which is exactly what the alpine needed.

Pros: Clean looking design, bass control knob, stays cool while under load, and most importantly the low price

Cons: None to be found yet!

Decent amp for the money

Written By JC, Worcester MA on Friday, January 24, 2014

  • "Coolness Factor"
  • Build Quality
  • Ease of Use
  • Sound Quality
  • Value

I bought this amplifier to power a JL 8W3V3-4. I had trouble finding a mono amplifier that was 200 watts RMS and listened to some bad advice where I was told that it's ok to overpower a subwoofer a little bit. Since the JL Audio 8W3V3-4 woofer is rated between 75-250 watts RMS I bought this Pioneer GM D8601 Mono amplifier because it looked good and was on sale and hey "it's ok to overpower a little". When I installed this amplifier I had nothing but trouble trying to tune it to my system. The bass was either not there or it was too much. It was very difficult to get a happy medium. The bass was also sloppy/ muddy and the lows were over powering and the upper bass missing. I kept thinking I did something wrong and the placement of the sub was bad. Then I found a 20 year old class AB 2 channel Alpine 3548 in my closet, which when bridged was rated 160 watts RMS into 4 ohms. Well let me tell you when I installed this amplifier in place of the Pioneer I was astonished at the difference in sound quality it made. The bass became accurate again and tight and it sounded just fantastic. I don't know for sure why the Pioneer didn't work well but if you go into JL Audios website and look at the 8W3V3-4 specifications it shows that 150 watts is the sweet spot for this subwoofer. Maybe this subwoofer doesn't like that much power or maybe it's the Pioneer class D type technology that can't control the woofer cone very well. I think it was a little of both.

Pros: Good power to price ratio, bass boost knob if you like that kind of thing.

Cons: This amplifier made an annoying hissing sound when it was cold. This isn't an issue if it's tucked out of the way in a sealed trunk but in an open hatch or SUV it's noticeable. The bass knob that comes with this amplifier is nice but I prefer a volume control over a bass boost control like this one. In fairness to Pioneer I still gave this amplifier 4 stars because I think it was mostly just too powerful for the JL Audio 8W3V3-4 woofer to handle.

Great Amp

Written By Dxb105, Lindale, AB on Tuesday, June 18, 2013

  • "Coolness Factor"
  • Build Quality
  • Ease of Use
  • Sound Quality
  • Value

Currently have 3 subs hooked up to it and it works great. Have 2 12s and a 10 for 1.3333 ohms with no troubles sounds good doesn't heat up and most likely will be the cause of my cab falling apart.

Pros: Small, Cool, Easy to use and powerful

Cons: Bass performance without the remote is poor

Best amp for the price

Written By Vic, Cibolo, Tx on Sunday, June 09, 2013

Crutchfield Customer Review (What's this?)

This amp is the best amp I have owned and didn't have to spend so much money, it's always cool hasn't heated up or shut down on me since I bought it. The bass sounds clean and makes everything I put on sound good. I really recommend this amp.

Pros: Didn't have to mess with any settings I just installed it and the settings it came with were perfect.

Cons: Just be careful when screwing it on because flaps are not really strong.

Pioneer GM-D8601

Written By Anonymous, Heyburn Id 833:6 on Tuesday, March 19, 2013

Crutchfield Customer Review (What's this?)

Works well

Pros: Powered my 2 kicker 10's at a 1 ohm

Cons: None

Product reviews from the Crutchfield Labs

Pioneer's versatile 2013 car amplifiers help you get needed power to your speakers and subs. They're compact, powerful, and even 1-ohm stable so it's easy to match subs.

What are the Labs?

Get everything you’ll need to enjoy your new Pioneer GM-D8601

Bring the music from your amp to your speakers.
Patch cables take the music from your stereo to the amplifier. Most amp wiring kits don't include them.
For multi-amp systems, you'll need a separate fuse holder.
Helps protect your car's charging system and improves power handling. Required power and ground wires not included with cap.
The right tools will make the installation easier.
Have your new amplifier put in by a qualified professional in your area.
T-Spec V10-RAK4

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EFX PA4BX Wiring Kit

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Kicker PK4

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T-Spec 12-gauge Speaker Wire

T-Spec 12-gauge Speaker Wire

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T-Spec 16-gauge Speaker Wire

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Stinger PRO Series Speaker Wire

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T-Spec 2-Channel RCA Patch Cables

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EFX 17-foot RCA Patch Cable

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EFX 2-Channel RCA Patch Cables

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EFX 2-Channel RCA Patch Cables

EFX 2-Channel RCA Patch Cables

Core Series Twisted RCA patch cables — available in 5 different lengths (12-foot)

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EFX 2-Channel RCA Patch Cables

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Elite Series Braided Multi-Core RCA patch cables — available in 5 different lengths (25-foot)

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EFX CFHG4 Fuse Holder

EFX CFHG4 Fuse Holder

In-line AGU fuse holder accepts 4- to 8-gauge wire

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Platinum-plated AGU fuse holder
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S&G Tool Aid 87650

S&G Tool Aid 87650

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Skewdriver Pro SPK4042

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Autosound 2000 Disc One

Autosound 2000 Disc One

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Questions & Answers Ask the community. Share your knowledge.

1 question already asked

For a recommendation on the best subwoofer to match with this amp, please contact an Advisor by phone or chat. They'll be able to match a subwoofer to this amp and to your budget. [ Jeff  Dec 04, 2013 ]  Staff