Item# GX-A3001
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General Specifications

Number of Channels Mono / Subwoofer

Audio Specifications

Frequency Response 10Hz-320Hz
2-Ohm Power Output 300 Watts RMS x 1 channel
Variable Bass Boost 0 to + 12dB @45Hz
Signal-to-Noise Ratio 98dB
Input Sensitivity 100mv-20V
Total Peak Power Output 415W
4-Ohm Power Output 200 Watts RMS x 1 channel
THD + N less than 1%


Height (in) 2-1/16
Height (mm) 52
Depth (mm) 291
Width (mm) 206
Depth (in) 11-7/16
Width (in) 8-1/8
  • 1 x GX-A3001
  • User Manual
A 415-watt mono subwoofer amplifier with on-board variable electronic crossover, the GX-A3001 features a compact footprint of just 2-1/16" (52mm) high, 9-1/8" (206mm) wide and 11 7/16" (291mm) deep. This tiny powerhouse includes a cast-aluminum heat sink, built-in electronic crossover networks, and enough power to drive your woofers to distraction. With almost seven decades of experience in bringing live music to life, JBL® has adapted many of our professional technologies for use in our car audio systems, transforming your road-going listening experience with new levels of power and clarity. Whether you’re looking at dramatically improving the sound of your factory installed audio system or designing a world-class competitive sound system from the chassis up, your JBL car audio retailer has everything you’re looking for. Crank up both the volume and the fidelity of your factory-installed sound system with the new GX Series amplifiers. Ranging from a compact stereo amplifier with enough power to drive the most demanding speaker systems, to the thunderous GX-A3001 with well over 400 watts of raw bass power to shake the ground, GX amplifiers cover the range at surprisingly affordable prices. There’s nothing wrong with your existing audio system that real power can’t fix, and GX series amps make adding that power easy. Setting up a sound system to fill your car takes not only great gear, but the ability to make all the components work together as an integrated whole. On board active crossovers and separate line- and speaker-level inputs make it easy to tie the new GX amps to the rest of your system, and carefully engineered Bass Boost circuits make it easy to get the sound you crave, whether you’re upgrading a factory system or building from scratch. For years, JBL’s engineers have made the gear that experts have relied on. Now, we also make gear that helps you perform like an expert.

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1 Year

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Hi is good for full range speakers Regards

Asked by: Barun
Hi! Yes you could use the GXA3001 amp for your full range speakers. However, it will depend on the full range speakers that you will be using. For example, if you have a pair of 6" or smaller full-range speakers, you must set the Crossover Filter switch in the “HP” (high-pass) position. This will limit the amount of low-frequency energy sent to the speakers, significantly reducing distortion and preventing the speakers from damage. On the other hand, for larger full-range speakers (6" x 9" or larger) that can handle significant bass and you are not using a subwoofer in the system, set the Crossover Filter switch to the "FLAT' (full-range) position.
Answered by: Nick F
Date published: 2019-01-17

Hi, this amp is recommended for sub 250 rms 4 ohms and how is the connection???

Asked by: Cescareno08
To do the setup for the GX-A3001 Input, use a "Y"-adapter to connect your source unit or processor's subwoofer line output to the amplifier's left and right inputs. If your source unit does not have a dedicated subwoofer output you can connect the rear left/right outputs to the amplifier's left and right inputs.
Answered by: Steven M
Date published: 2018-03-16

Is this compatible with JBL GT5-12D subwoofer?

Asked by: Arnam
Yes it is, The GX-A3001 drives 200W at 4 ohms while the GT5-12D can handle 275W at 4 ohms.
Answered by: Mario at Customer service
Date published: 2019-01-08

I just hooked up the GX-A3001 to my JBL 10" 1000D 260Watt and smell a burning plastic smell. I only have the amp turned up half way. Should I turn off the bass boost? It is also running hot, I double checked my connections, they are good thoughts?

Asked by: TomParke
Sorry to hear of this problem you are having. Please submit a case at www.jbl.com/support-contact.html and the Customer Service Team will be more than happy to assist you.
Answered by: Joe G at Customer Service
Date published: 2017-12-02

If I have only one 2 ohms load do I have to use only one pair of terminals (+)(-) -->(+)(-)<-- or do I have to connect it like if it is in bridged I mean like this -->(+) (-)(+) (-)<--

Asked by: LKiD
The GX-A3001 has two parallel sets of speaker connectors, allowing you to connect two subwoofers. If you are using a single subwoofer you can connect it to either set of GX-A3001 speaker connectors. If you are using two 2-ohm subwoofers you can connect them to one of the sets of connectors in series to be above the required 2-ohm minimum impedance.
Answered by: Miko at Customer Service
Date published: 2018-02-06

Is this amp cea 2006 compliant?

Asked by: LKiD
Absolutely. All of our products are CEA 2006 compliant.
Answered by: Joe G at Customer Service
Date published: 2017-12-02

Is this compatible with JBL S3-1024?

Asked by: Ian456
Yes, it is definitely compatible. Reason being, GX-A3001 is running up to 300 Watts RMS per channel at 2 Ohms while the S3-1024 can handle up to 450 Watts RMS at 2 or 4 Ohms.
Answered by: Drin at Customer Service
Date published: 2017-12-02

Is this a good amp for the GT5-1202BR? Will I be sacrificing any power by not buying a more powerful amp? I don't know anything about this audio stuff, but as long as this thing provides the power to rattle heads and tickle your chest that's all I need.

Asked by: Jorrell
The GX-A3001 can drive power up to 300W at 2-ohms. While the GT5-1202BR can handle power of up to 275W at 2-ohms. This amplifier has more than enough power to drive this speaker. It will work beautifully just as long as you don't crank up the volume to maximum.
Answered by: Miko at Customer Service
Date published: 2017-12-02
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