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JBL GTX 500 (GTX500)

770W Max (500W RMS) GTX Series Class-D Monoblock 2-Ohm Stable Amplifier

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JBL GTX 500 (GTX500)

770W Max (500W RMS) GTX Series Class-D Monoblock 2-Ohm Stable Amplifier

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Belva 1.0 Farad Capacitor + Amp Kit

BB1D 1.0 Farad Capacitor + BAK42 Complete 4 Gauge Amplifier Wiring Kit

$39.99

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NVX Universal Remote Level Bass Control

Controls bass level and frequency via RCA/Interconnect connectors on any amp.

$7.99

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AudioControl Epicenter-InDash

If you want the best bass possible and a way to measure how loud your system is playing

$199.99

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30% Off of XKIT42 OFC Amplifier Install Kit with Purchase!

Purchase a qualifying amplifier and save 30% on an NVX XKIT42 True Gauge OFC amplifier installation kit. Simply click the "Add Both to Cart" button. This offer cannot be combined with any other coupons or offers.

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JBL GTX 500 (GTX500)

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NVX XKIT42

$89.99

Special Price $62.99 ($89.99 if purchased separately)

NVX XKIT42

• 4 Gauge 2-Channel X-Series Complete Amplifier Installation Kit
• For Car Audio Systems Up To 1000 Watts RMS
• Silver-Tinned 100% Virgin Copper
• 2-channel RCA Interconnect Cable

Limited Offer: 10% off a Belva Wiring + Capacitor Kit!

While supplies last, get an additional 10% off the Belva 1.0 Farad Capacitor with 4 Gauge Amplifier Wiring Kit. This is a 2000 Watt Max Handling Amp Kit that provides the needed juice, flow and wiring for your new amplifier.

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JBL GTX 500 (GTX500)

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Belva 1.0 Farad Capacitor + Belva 2000 Watt Max Handling Amp Kit

$39.99

Special Price $35.99 ($39.99 if purchased separately)

Belva 1.0 Farad Capacitor + Belva 2000 Watt Max Handling Amp Kit

• Complete 4 Gauge 2-Channel Amplifier Installation Kit
• 1.0 Farad Capacitor
• Designed Specifically For Car Audio Systems Up to 1000 Watts RMS (2000 watts MAX)
• Premium Power and Ground Wire Provides Optimal Power Transfer
• 30% Copper CCA Wire
• Perfect for Systems up to 1000 Watts
• Audible Warning
• Red Voltage Display
• Mounting Brackets Included

Get 20% off an NVX Universal Remote Level Control!

Using this Amp with a Sub or need to control the output? You're going to need a Remote Level Control for that. Hit "Add Both to Cart" & Get 20% off an NVX Universal Remote Level Control. (Click the picture for Product details)

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JBL GTX 500 (GTX500)

$109.95

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NVX Universal Bass Knob (XBRC)

$7.99

Special Price $6.39 ($7.99 if purchased separately)

NVX Universal Bass Knob (XBRC)

• Universal Remote Level Control For Car Amplifier/Amp Bass Adjustment
• Only requires one additional RCA "Patch" Cable (sold separately)
• Mounts Under Dash Or Through Hole
• One 2-Channel RCA Input And one 2-Channel RCA Output

(Offer 1 of 3)

Combined Total Price

$172.94

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JBL Audio Store

The Sound of quality

Sonic Electronix, one of the leaders in car audio, recently visited Harman, the premium global audio and infotainment group, at their research and development locations in Northridge, California and Detroit, Michigan. The purpose of these visits was to utilize and combine the powerful brand of Harman and the industry leading knowledge behind Sonic Electronix to begin working together on developing future car audio projects.


General Features:

  • JBL Mono Subwoofer Amplifier
  • RMS Power Rating:
    • 4 ohms: 350 watts x 1 chan.
    • 2 ohms: 500 watts x 1 chan.
    • 1 ohm: ----------N/A----------
  • Total max power output: 770 watts
  • Pulse Width Modulated MOSFET power supply
  • LED power (green) and protect (red) indicators
  • Soft start turn-on
  • Signal sensing turn-on
  • Speaker-level (high-level) inputs
    • Bare wire-to-RCA adapters included
  • Removable endcaps for clean installs
  • Nickel plated Power, Ground and Speaker connections
  • 3-way protection circuitry (thermal, overload, and speaker short protection)
  • High-density split-dome convection heat-sink for extreme heat dissipation
  • Input sensitivity:
    • Low level: 100mV - 2V
    • High level: 2V - 15V
  • Frequency Response: 20 - 200 Hz (±0.5 dB); 10 - 300 Hz (±3dB)
  • Signal to Noise Ratio: > 80 dB
  • Variable Bass Boost: 0 to +12 dB @ 45Hz
  • Variable low-pass filter: 40 - 280 Hz
  • Fuse Rating: 25A x 2
  • 4 - 8 gauge power and ground wiring is recommended for installation. Contact us for information regarding a discount on select amplifier kits from our website when purchased together with this amplifier.
  • Dimensions: 8-3/8"W x 9-11/16"L x 2-9/16"H
  • Authorized Internet Dealer
  • 1-year Manufacturer's Warranty


Check out the JBL GTX 500 Owner's Manual


MAKE IT A PACKAGE DEAL:

Available Now - CLICK HERE

Product History:

JBL GTX500 thumbnail
(newest, current model)
JBL GTO-501EZ thumbnail
(previous model, replaced by JBL GTX 500 (GTX500))

Power Specifications - Subwoofer Channel

RMS Power @ 4 ohms
The RMS power rating is the measure of continuous power that an amplifier can output, or a speaker can handle. It is the most accurate depiction of real, continuous power that the industry has so far. If the final impedance of your speaker(s) or subwoofer(s) equals 4 ohms, this is how much power this amplifier will supply at that ohm level. The higher the RMS wattage, the more clean and loud your music will sound. The 5th channel on these particular amplifiers are usually dedicated for driving subwoofers.
350 watts x 1 channels
RMS Power @ 2 ohms
The RMS power rating is the measure of continuous power that an amplifier can output, or a speaker can handle. It is the most accurate depiction of real, continuous power that the industry has so far. If the final impedance of your speaker(s) or subwoofer(s) equals 2 ohms, this is how much power this amplifier will supply at that ohm level. The higher the RMS wattage, the more clean and loud your music will sound. The 5th channel on these particular amplifiers are usually dedicated for driving subwoofers.
500 watts x 1 channels
RMS Power @ 1 ohm
The RMS power rating is the measure of continuous power that an amplifier can output, or a speaker can handle. It is the most accurate depiction of real, continuous power that the industry has so far. If the final impedance of your speaker(s) or subwoofer(s) equals 1 ohms, this is how much power this amplifier will supply at that ohm level. The higher the RMS wattage, the more clean and loud your music will sound. The 5th channel on these particular amplifiers are usually dedicated for driving subwoofers.
Not Stable

Power Specifications - Subwoofer Channel

Peak Power @ 2 ohms
This form of power rating refers to the maximum amount of power an electronic device can handle or output in an instant without damage occurring. Often times this maximum is achieved during a brief musical burst, such as a drum accent, or low bass hit.

Some manufacturers display peak power ratings on the face of their products to increase the appeal to consumers. The RMS power rating is more accurate, and we recommend using it for product comparison. However, some manufacture's do not provide an RMS figure and therefore one cannot be advertised.

770 watts x 1 channels

Amplifier Specifications

Amplifier Class

An amplifier increases the power of the signal being fed to it by taking energy from its power supply and matching the signal but increasing its amplitude. Amplifiers use many different methods for converting these electrical signals and have been categorized into classes.

Class A/B: Greater than 50% of the input signal is amplified while the other percentage is “off”. These amplifiers have a small amount of current flowing through the output transistors all the time which almost eliminates crossover distortion. Class A/B has great sound quality but is not as efficient as class D. These amps are most commonly used to drive speakers.

Class D: Also known as switching amplifiers, class D amps have output transistors that are completely turned “on” or “off”. This means that when the transistors are on, there is almost no voltage across them but when they are off there is significant voltage but no current flowing through it which makes these amplifiers very efficient at the cost of sound quality. These amps are most commonly used to drive subwoofers.

Other Classes: You may see classes such as GH, bD, X, FD, etc. by some manufactures. These amplifiers tend to be either class A/B, D or a hybrid of the two but with improvements to their designs that can make them more efficient or offer better sound quality.

D
Number of Channels
Each channel on an amplifier will power one speaker using a positive and negative cable. There are various types of amplifiers, each designed to power a certain number of speakers. Monoblock amplifiers, also known as single channel, are designed to power one or more subwoofers. These amplifiers often have very high power ratings. On the other hand, multi-channel amplifiers power multiple speakers, usually at lower power ratings. 2-Channel and 4-Channel amplifiers can power car speakers or low powered subwoofers. Occasionally you might see a 5 or 6-channel amplifier that can power speakers and subwoofers at the same time. The most common setup is a monoblock amp to run subwoofers and a 4-channel amp to run door speakers. Check out our Knowledge Base for more information.
1 - Mono
Total Peak Power Output
The total peak power output is measured as the wattage per channel multiplied by the number of channels, and is calculated at the lowest level of operating impedance.

It is measured during a brief musical burst, such as a sudden drum accent. Some manufacturers display peak power ratings on the face of their products to increase the appeal.

The RMS power rating is more accurate, and we recommend using it for product comparison.

770 watts
Total RMS Power Output
Total RMS power is measured by multiplying RMS power per channel by the number of channels, and is calculated at the lowest level of operating impedance.

RMS power is the amount of continuous power, measured in watts, that an amplifier produces is called RMS power. The higher the RMS figure, the louder and cleaner your music sounds.

The RMS output figure is much more accurate than the peak rating when comparing products.

500 watts
Maximum Input Gauge Size
This is the largest gauge wire that will fit into the power and ground terminals of this device. The lower the gauge number, the thicker the wire is. For example, a 4 gauge wire is thicker than an 8 gauge wire and thus has higher current carrying capacity. Always do your best to get this size wire to reduce the risk of damage to your components.
4 AWG
Minimum Impedance Unbridged
The lowest impedance the amplifier will handle when it is not bridged.
2 ohms
Minimum Impedance Bridged
The lowest impedance the amplifier will handle when it is bridged.
Not Bridgeable
Speaker Level Inputs
Speaker level inputs are commonly referred to as high-level inputs and vice versa. This input type allows you to get your audio signal directly from the speaker wire in your vehicle, instead of using RCA cables. The advantage of this is factory integration, as most stock radios do not have RCA outputs to run amplifiers.
Yes - with included adapter
Preamp Outputs
Many amplifiers are equipped with RCA preamp outputs which pass the original music signal from the source to additional amplifiers. This is known as daisy chaining because the source connects to the first amp, and the first amp connects to the second amp, etc. The advantage to daisy chaining is you only need one 2-channel RCA cable to transfer the signal from the head-unit to the amplifier, and then one additional cable for each amp being daisy chained.
No
Built-in Crossover

A crossover is a type of filtering system that permits only certain frequencies to play. A Low-Pass (LP) crossover allows only frequencies below its setting to get through which is good in the case of some subwoofers. A High-Pass(HP) filter allows frequencies above its setting to pass through, this is normally used on speakers.

When a crossover is set to FULL it means no filtering is added and the full frequency spectrum is allowed through the amplifier. Filtering is important because feeding a speaker frequencies it cannot reproduce effectively creates distortion.

Low-Pass (LP)
Low-Pass Crossover Frequency
The low-pass crossover frequency is typically used for subwoofers. It can be a fixed crossover point or a variable crossover range. A variable low-pass crossover allows you to select a specific crossover point which allows frequencies below the set crossover point to pass, while making frequencies above the set point gently or harshly roll-off, depending on the steepness of the slope.

The steepness of the roll-off slope is measured in dB/octave and refers to the rate of attenuation (lowering of volume) outside their pass bands.

45 - 300 Hz
Signal-to-Noise Ratio
This spec compares the strength of the signal to the level of background noise. A higher value indicates less background noise.
>80 dB
Bass Boost
The objective of the bass boost is to get more kick out of your subwoofer. It is a circuit that emphasizes the lower frequencies at a given point. The bass boost should always be set first before setting the gain. This feature is known for destroying subwoofers and is commonly used incorrectly, so be cautious.
0 - 12 dB
Bass/Gain Remote
If the amp comes with a bass/gain remote you will be able to control the level of your bass from your dashboard. Typically bass remotes also include a 16-20 ft. wire for installation.
No
Fuse Rating
The amperage and the number of fuse(s) an amp requires.
25A x 2 
Strappable
Some amplifiers can be "strapped" together in order to increase the output of a single audio channel. These amplifiers feature RCA preamp outputs, allowing you to pass the signal directly from one amp to the other to ensure consistency.
No
Sonic Certified Amplifier
Sonic Certified amplifiers have been tested by the experts at Sonic Electronix to meet or exceed the wattage ratings provided by the manufacturer. If this is marked as Yes, then you can trust the wattage ratings. If marked as No, then we have tested the amplifier and it did not meet the advertised wattage ratings. If marked as Not Tested, then the Sonic Electronix experts have not yet been able to test the amp.
Not Tested
Amp Bluetooth Connectivity
This feature will tell you if the amplifier has the capability to connect to a Bluetooth device.
No
Hi-Res Audio Compatible
This feature refers to if the product is capable of Hi-Res Audio (HRA) playback.
No

Warranty and Return Policy

Parts Warranty Duration
1 year
Labor Warranty Duration
1 year
Warranty Provider
Manufacturer

Summary of Customer Ratings & Reviews

Rating Distribution

5 Star
75%
4 Star
25%
3 Star
0%
2 Star
0%
1 Star
0%

Average Attribution Rating

Durability
4.9
Value
5.0
Features
4.4
Design
4.8
Usability
4.9
Fred

Long island ny

Overall
Durability
Value
Features
Design
Usability
Working perfect

November 25, 2016

I have bazooka tube 8ohms put jbl gtx500 working perfect great sound bass thanks sonic electronic

0 of 0 found this helpful

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Rob

Okemos, MI

Overall
Durability
Value
Features
Design
Usability
Lots o Power

November 7, 2016

Purchased in a kit with amp kit and JBL S3 sub. Amp runs cool and pushes sub good. Standard features..only want would be remote gain but a good LOC will get you control. Packs a big punch with a small footprint. Be sure you set your input setting correctly.

0 of 0 found this helpful

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BJ

Okmulgee, OK

Overall
Durability
Value
Features
Design
Usability
Great amp with a small foot print.

October 26, 2016

Installed this in a 2006 Impala LT, running 2-12" (275rms) a piece subs, in a ported enclosure. This amp no issues pushing them well. The removable access panels are great, for a cleaner look. True 4 gauge power/ground inputs. Didn't use the auto amp turn on feature, because I had already ran a remote wire, for the other 4 channel amp. Very small foot print, but has a solid weight to it.

0 of 0 found this helpful

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jason

,

Verified Purchase
Overall
Durability
Value
Features
Design
Usability
Awesome amp

October 6, 2016

This amp is amazing it pushes my p3 12 harder than my kicker amp.

0 of 0 found this helpful

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Psljax

Jacksonville, FL

Verified Purchase
Overall
Durability
Value
Features
Design
Usability
Small with enough power

September 5, 2016

Great sound, strong enough to power my sub. Easy install, 4ohm really helps when I want to expand. Jbl quality.

0 of 0 found this helpful

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Pimpoyo

Colorado

Overall
Durability
Value
Features
Design
Usability
Chido amp

August 25, 2016

Compre el amo xq el q tenia dejo de funcionar y fue la mejor compra q hice lo tengo conectado a 2 alpine bassline 12" a solo la mitad de garin y sacuden mi ranfla macizo lo recomiendo y el precio es barato

0 of 0 found this helpful

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Scott

Sioux Falls, SD

Verified Purchase
Overall
Durability
Value
Features
Design
Usability
JBL amp for $149.99!

July 13, 2016

Name me another brand name that you can get a nice digital amp at this price.. steal of a deal.. anyhow.. got it hooked up to a new S3 (at 2 ohms thanks to the selectable imepdance feature!) and it slams!! would buy again.

0 of 0 found this helpful

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Jerry

Ontario, California

Verified Purchase
Overall
Durability
Value
Features
Design
Usability
easy to install - good power

June 28, 2016

Very simple install:

+you can run the input from your rear speakers rather the head unit via the RCA adaptors
+the auto remote on/off feature works great, and you don't need to wire the remote turn on

0 of 0 found this helpful

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Accessory Tools and Products

Accessories added

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BB1D 1.0 Farad Capacitor + BAK42 Complete 4 Gauge Amplifier Wiring Kit

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NVX Universal Remote Level Bass Control

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4000 Series 2-Channel RCA Cable

17 ft. of 2-Channel 4000 Series RCA Interconnect Cable designed for the Audiophile

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25 ft. of True 12 Gauge 100% Copper EnvyFlex Speaker Cable/Wire

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NVX XWS1625 16 AWG Speaker Wire

25 ft. of True 16 Gauge 100% Copper EnvyFlex Speaker Cable/Wire

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Belva BBSW127 12 AWG Speaker Wire

12 Gauge 7 Meter (23 Ft) Speaker Wire (CCA)

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16 Gauge 7 Meter (23 Ft) Speaker Wire (CCA)

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Comes with everything you need to upgrade your power and ground wire.

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Belva BBG3KT CCA 1/0 Gauge Big Three Kit

Features everything needed to upgrade factory power and ground wire.

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XS Power BIG3XS 100% OFC 1/0 Gauge Big 3 Upgrade Kit

1/0 AWG Big 3 Upgrade Kit with 100% OFC Wire for Audio Sytems up to 350 Amps

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270 Amp G Series Alternator for Select 1994-2012 GM Vehicles

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240 Amp S Series Alternator for Select 1992-2003 Dodge/Jeep Vehicles

240 Amp cutting edge 6 phase hairpin epoxy reinforced stator technology

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240 Amp L Series Alternator for Select 1963-1985 GM Vehicles

Specifically designed to fit in tight spaces

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250 Amp Alternator for Select 2003-2008 Ford/Lincoln/Mercury Vehicles

Cutting edge 6 phase hairpin stator technology with Twin internal rectifier plates with finned heat sink

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240 Amp S Series Alternator for Select 1999-2006 Jeep Vehicles

6 phase alternators use less horsepower per Kilowatt than conventional 3 phase alternators

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240 Amp S Series Alternator for 2011 Toyota Corolla

Ultra precision balanced rotor with oversized charge post ensure sturdy cable connections

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240 Amp S Series Alternator for 2006-2011 Honda Civic

15% more efficient than typical alternators

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370 Amp E Series Alternator with Black Finish for Select 1994 - 2003 GM

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320 Amp S Series Alternator for Custom and Racing Applications

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Universal Wire Puller

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8 Gauge Ring Terminals, 5/16" Opening

Nickel Plated Brass - 5 Pieces (3 Red & 2 Black)

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0/1 Gauge Ring Terminals, 3/8" Opening

Nickel Plated Brass - 5 Pieces (3 Red & 2 Black)

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PRO Series Classic Long GM Battery Post w/ Shoc-Krome Plating

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120 Amp 4-Post Battery Isolator

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ANL/Mini-ANL Fuse Holder with 1/0 or 4 Gauge Input and Output

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4 Pack of 80 Amp Nickel-Plated MANL Fuse

Mini-ANL (MANL/AFS) 80A Nickel Plated Fuses

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4 Pack of 100 Amp Nickel-Plated MANL Fuse

Mini-ANL (MANL/AFS) 100A Nickel Plated Fuses

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4 Pack of 150 Amp Nickel-Plated MANL Fuse

Mini-ANL (MANL/AFS) 150A Nickel Plated Fuses

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2 Pack of 200 Amp Nickel-Plated ANL Fuse

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2 Pack of 300 Amp Nickel-Plated ANL Fuse

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Gauge Reducer, 4 Gauge Input to 8 Gauge Pin

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Browse 5 questions and 18 answers
Hide answersShow all answers | Sort by
Why did you choose this?
Sonic Electronix Store
JBL quality, perfect specs to power the 2 subwoofers I bought, the compact design is a huge bonus.
ROBERT T on Nov 26, 2016
Reliable clean REAL POWER
Nicolas D on Nov 25, 2016
Gift
Shawn Z on Nov 26, 2016
I heard its a very good amp
Smokey on Nov 22, 2016
I got BELVA 2.0 CAPACITOR AND THE BELVA 4 GAUGE WIRING KIT THAT UP TO 2000 WATTS IS THAT RIGHT FOR THIS AMP ????
Smokey on Nov 21, 2016
Best Answer: Hello, Steven!

I have the same amplifier and I'm running the Belva kit with a 1.0 farad capacitor. I've had it wired up in my car for a little over a week and haven't experienced any issues. The 2.0
farad capacitor will provide even more reserve power if you're pushing your system hard. Just ensure that you charge it before the first use and you should be good to go! Oh yeah, if you don't feel like wiring a remote the JBL amp will turn on via the RCA inputs. There's a switch on the bottom of the amp that you'll need to flip to override the remote. I personally use this feature, but be advised that it takes the amp a little while to activate - it's not immediate.
Reply · Report · Lloyd B on Nov 22, 2016
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I just purchased the belva mdfd12 enclosure with (2) jbl s2-1224 subs. will these subs sound good with this enclosure? And I also got the jbl gtx 500 amplifier that im adding to my factory head unit, what kind of line out converter should I get?
Ashan N on Dec 7, 2016
JBL GTX500
JBL GTX500
Belva MDFD12
Belva MDFD12
QPower QBASS12
QPower QBASS12
Best Answer: Subs will sound great and the line out is rca connectors. Hope thie helps. Rod
Reply (1) · Report · rodney f on Dec 7, 2016
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If I have a Kenwood head unit and have the JBL gtx 500 sub connected to it with Rca jacks from the sub out on the head to the input on the amp, what setting should I have the input switch on. Low , H1, or H2? Need help !
Chris K on Jun 21, 2016
Best Answer: Low. Hi settings are used for Speaker Level Input. And have the Gain set for Minimum to start with. Turn the Kenwood to Maximum Volume Without Distortion. Then slowly turn the Gain up.
Reply · Report · Chris P on Jun 22, 2016
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If I have a Kenwood with 4V preamp output, is this amp not really compatible?
It lists this as input sensitivity: Low level: 100mV - 2V.
CarlU on Aug 23, 2016
JBL GTX500
JBL GTX500
Kenwood DPX792BH
Kenwood DPX792BH
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Product Summary

Manufacturer

Model Number

GTX500

UPC

050036324007

Weight

7.25lbs

Internal SKU

gtx500

Internal Product ID

98472

Sonic Electronix Wiring Guide

Wiring Diagram Legend

Warning: The image depicted shows the resistance change when wiring multiple subwoofer terminals. Please refer to your subwoofer's owner's manual for the proper wiring of its terminals. Sonic Electronix, Inc. is not responsible for damage caused to your audio system or vehicle due to improper installation. Please call tech support at 1-877-289-7664 if you require additional assistance.

Product Name: JBL GTX 500 (GTX500)

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