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Pioneer GM-DX971

Limited Edition mono subwoofer amplifier — 1,200 watts RMS x 1 at 1 ohm

Item # 130GMDX971

Pioneer's handsome GM-DX971 mono subwoofer amplifier can deliver up to 1,200 watts RMS to your subwoofer, for...

Pioneer's handsome GM-DX971 mono subwoofer amplifier can deliver up to 1,200 watts RMS to your subwoofer, for...

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$299.99 -$74.99 Price break

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About the Pioneer GM-DX971

Cool bass

Pioneer's handsome GM-DX971 mono subwoofer amplifier can deliver up to 1,200 watts RMS to your subwoofer, for powerful bass that'll give every song a strong and heavy beat. Highly efficient Class D technology keeps this powerful amp running as cool as it looks, and allows for a small chassis that fits in a lot of out-of-the-way spaces. And this little workhorse can handle a 1-ohm load, so you won't have to worry too much about impedance matching when you add another sub to your system down the road.

Cool bass

Pioneer's handsome GM-DX971 mono subwoofer amplifier can deliver up to 1,200 watts RMS to your subwoofer, for powerful bass that'll give every song a strong and heavy beat. Highly efficient Class D technology keeps this powerful amp running as cool as it looks, and allows for a small chassis that fits in a lot of out-of-the-way spaces. And this little workhorse can handle a 1-ohm load, so you won't have to worry too much about impedance matching when you add another sub to your system down the road.

Connections and tuning for all occasions

Speaker-level inputs allow you to install this amp in a factory system with no RCA connections — the amplifier switches its input mode automatically when it detects the high-level signal, eliminating the need to run a turn-on lead to your receiver or fuse box. The amp's got a low-pass filter that lets you quickly sharpen and focus the bass to suit your vehicle's interior, and a wired remote boost that lets you control the amount of bass boost from the front seat. This limited-edition amp uses high-grade electronic parts and gold-plated RCA connections to ensure maximum performance.

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Product highlights:

  • mono subwoofer amplifier
    • 500 watts RMS x 1 at 4 ohms (800 watts RMS x 1 at 2 ohms)
    • 1,200 watts RMS x 1 at 1 ohm
  • CTA-2006 compliant
  • Class D amp technology
  • frequency response: 10-240 Hz
  • variable low-pass filter (40-240 Hz, 12 dB per octave)
  • wired remote variable bass boost (0-18 dB at 50 Hz)
More Features:
  • preamp inputs and outputs
    • gold-plated RCA connections
  • speaker-level inputs via supplied RCA-type adapters
    • signal-sensing turn-on with speaker-level inputs
  • wiring and hardware not included with amplifier
    • 4-gauge power and ground leads recommended
  • fuse rating: 40A x 3
  • dimensions: 12-3/8"W x 2-3/8"H x 7-7/8"D
  • warranty: 1 year
  • Our 60-day money-back guarantee
  • MFR # GM-DX971

What's in the box:

  • Mono subwoofer amplifier
  • Three 40-amp ATO fuses (installed)
  • 8" Speaker wire to RCA input adapter
  • Wired Bass Boost Remote
  • 16' Bass Boost Remote cable (RJ-14 plug on both ends)
  • Four 3/4" Screws
  • Two 3/8" Screws
  • 3mm Allen wrench
  • Owner's manual (English/ French)
  • Owner's manual (Spanish)
  • Warranty information

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Features
Controls
Connections

Features

CEA-2006 Compliant: CEA-2006 is a system of testing and measurement for mobile audio amplifiers. This voluntary standard advocates a uniform method for measuring an amplifier's RMS power output. The criteria for measuring power uses a DC input voltage of 14.4 volts and the RMS power output is measured over a frequency range of 20 Hz to 20 kHz for full range amplifiers (in this case 20 Hz to 240 Hz), with 1% or less Total Harmonic Distortion plus noise (THD+N). CEA-2006 standards allow consumers to compare car amplifiers and receivers under the same conditions (apples to apples).

CEA-2006 Specifications:

  • Power Output: 500 watts RMS x 1 into 4Ω
  • Signal to Noise Ratio: 75 dBA (measured at 1 watt into 4Ω)

Other Specifications: (not using the CEA 2006 criteria)

  • Power Output:
    • 800 watts RMS x 1 into 2Ω (at 14.4 volts, 100 Hz, ≤1% THD)
    • 1200 watts RMS x 1 into 1Ω (at 14.4 volts, 100 Hz, ≤1% THD)
  • Signal to Noise Ratio: 100 dB (at rated power output)

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. This eliminates the need for running a system remote control wire (turn-on lead).

Controls

Gain Control: The gain control is continuously variable from 200 mV to 6.5 V. When you use a speaker level input, the gain control range is from 800 mV to 16 V.

Crossover: The low-pass crossover is always engaged; it can't be bypassed. The crossover point is continuously variable from 40 Hz to 240 Hz and the slope is 12 dB/octave.

Remote Bass Boost Control: The included Remote Bass Boost control module lets you adjust the amount of bass boost from the front of the vehicle. The Bass Boost circuit is centered at 50Hz, with a variable boost of 0 dB to 18 dB. Module dimensions:

  • Width: 1¾" (2⅝ including the mounting tabs)
  • Height: ¾"
  • Depth: 1⅝" (2⅛" including knob and wiring)

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.

Note: The amplifier has three 40-amp fuses installed and Pioneer recommends a 150-amp fuse in-line within 12" of the battery.

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 has a pair of stereo RCA inputs. If no preamp level signal is available, use the included speaker level to RCA adapter.

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.

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Customer Q&A

Q
Crutchfield asked: Why did you buy this?
A
matches my subwoofer's rated RMS and impedance and it has speaker level inputs so I can use my stock head unit [ Howbout  Sep 22, 2019 ]
A
Because it is 1ohm stable with a remote [ David  Mar 06, 2019 ]

1 question already asked

Q
do I need to run a remote turn on wire if I run rca cables from my Kenwood Excelon DPX793BH?
[ ColeP  Oct 01, 2019 ]
1 answer
A
Yes both amps need a remote turn on wire what you can do is take another piece of speaker wire and piggy back it from the other amp if that makes sense. Take the remote turn on from the head unit and splice a wire to one amp and have two wires in amp one and go to amp to and connect it. That way both amps turn off when the radio is shut of or key out the ignition. I hope I explains this well.
[ Adam  Oct 01, 2019 ]

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