Item# GX-A3001_
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£59.99 - £129.99

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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Hi, I have gx-602, gx-604 running 6 gto-629's and a gx-a3001 running a S2-1224SS and i'm not sure how to set up the input levels could JBL advise me?

Asked by: Kieran Ward
Thank you for your question. We would like to work with you to further support you, you may contact the Harman Customer Support team by telephone, email or chat in order to receive direct assistance. Please see https://uk.jbl.com/support-product.html for further details. Thank you.
Answered by: Peter EMEA
Date published: 2019-02-19

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

Can this amp move a sub 250 rms 4ohms??

Asked by: Cescareno08
The sub is a ROCKFORD P1S4 250 RMS
Answered by: cescareno08
Date published: 2018-10-10

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

Hallo, der Verstärker hat 2-Kanäle In der Beschreibung steht, dass er eine Leistung von 1x200 Watt an 4Ohm hat oder 2x 170Watt gebrückt. Hat er einen Schalter zum brücken oder wie funktioniert das ganze?

Asked by: Tobi5
Hi Tobi5 Wenn Sie in der Spezifikation nachsehen, steht Bridging N / A - Bridging bedeutet diesen Verstärker ist nicht möglich. Der Beschreibungstext besagt " Wenn Sie einen einzelnen Subwoofer verwenden, können Sie ihn an einen der beiden GX-A3001-Lautsprecheranschlüsse anschließen." (auf Seite 16 zu finden) Mit freundlichen Grüssen Christian Harman Lifestyle Division
Answered by: Summen im Flip 3
Date published: 2018-03-03

Ich suche nach einem passenden Subwoofer für dieses Gerät. Ich kenne mich da nicht so genau aus und möchte mir nichts falsches kaufen.

Asked by: Johann99
Hallo, Sie koennen jeden Subwoofer den wir verkaufen nutzen. Jedoch kann es sein, dass folgende Modelle zu groß sind: - single 12" model S3-1224 - S3-1014 if the 12" Sollten Sie viel Platz haben empfehlen wir den Stage 1220B. LG
Answered by: FranziskaHarman
Date published: 2018-04-19

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

Hi, I have a GX-A3001 running a Rockford fosgate punch P1 12" and thinking of upgrading to the  Punch 12" P2 4-Ohm DVC Subwoofer The Rockford Fosgate P2 12” subwoofer The P2D4-12 features a Dual 4-Ohm voice coil so not sure if it will work? 

Asked by: Slyd81
Hi. The 3001 is specified to deliver 415 Watts into 2 Ohms, under specified circumstances. This means that you can connect the two 4 Ohm voice coils in your subwoofer drive unit in parallel, to give you a total impedance of 2 Ohms. Of course, no load is ever totally linear and ideal, so your sub may dip under 2 Ohms, and rise above 2 Ohms. Since 2 Ohms is the minimum that the 3001 can handle, it is on the edge of its capacity, so if your sub dips under 2 Ohms, or if you have low DC input voltage, or play at maximum levels over long periods of time, or have insufficient cooling, you may still experience problems, like protection circuits cutting in or thermo protection shutting audio off.
Answered by: Bo Harman
Date published: 2018-01-12
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