JBL

JBL 4086AM 8-Channel Class D Amplifier Design with Digital Signal Processing

80+ bought in the past month

$387.95$484.95

About this item

  • Small footprint, All-in-One Class D Amplifier with DSP Control: JBL DSP Amplifier has everything you need to create a professional sound quality audio system with the ability to mount your amplifier in tight spaces.
  • Everything You Need to Get Started: JBL DSP Amplifier has everything you need to create an audio system, or expand your existing one, plus the ability to add more power by using it as a line driver when you are ready for your next power upgrade.
  • Simple Tuning Interface with Complex Features: Easy-to-use tuning interface anyone can understand, learn and control with enough horsepower to satisfy experienced installers.
  • Versatile Connectivity: This amplifier has balanced differential inputs to provide you with the best sound quality & noise rejection, can accept RCA or speaker-level inputs so it’ll work in almost any system.
  • Convenient Bass Control: Wired remote control allows for quick adjustment of low frequency output with -30 to +6dB adjustment directly from the driver’s seat
$387.95
Was $484.95Save $97.00

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Product details

Item dimensions L x W x H15 x 11 x 6 inches
Voltage12 Volts
ManufacturerJBL
Maximum Supply Voltage16 Volts (DC)
Minimum Supply Voltage8 Volts (DC)

Technical specifications

item_dimensions_l_x_w_x_h15 x 11 x 6 inches
voltage12 Volts
manufacturerJBL
maximum_supply_voltage16 Volts (DC)
minimum_supply_voltage8 Volts (DC)
mounting_typeSurface Mount
brandJBL
number_of_channels8
output_power1000 Watts
package_type_namebox
specification_metJbl Standard
materialPolycarbonate
global_trade_identification_number00050036373364
upc050036373364
product_dimensions15 x 11 x 6 inches
item_weight4.77 pounds
item_model_numberDSP4086AM
is_discontinued_by_manufacturerNo
date_first_availableSeptember 25, 2020
best_sellers_rank#51,137 in Musical Instruments ( See Top 100 in Musical Instruments ) #194 in Power Amplifiers

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Customer reviews

4.030 ratings

Customers say

Customers give positive feedback about the amplifier's power capabilities, with one noting it provides more power than OEM systems.

★★★★★

Not for the faint of heart

JuliaSeptember 21, 2022

I love the amplifier but don't buy this thinking it is plug and play it is a wonderful unit but you better have a newer laptop to program it because it will not work without it but the features that it had are unparalleled for the price it can be used for any number of configurations from a single input up to 6 channels inputs I love it!!! Read more

★★★★☆

Great to power aftermarket speakers from stock head unit

GabeMay 25, 2025

Powerful for its size, used to up the power from a stock touchscreen stereo. Install was easy but have had it fail to turn on several times. Overall quality of the DSP is good but the interface is difficult to tune exact ranges as you have to move sliders and I would rather type in the range. Once tuned it is excellent and powers my 6 speakers without any issues. Did exactly what I needed, give more power to aftermarket speakers from a lackluster stock stereo. Read more

★★★★★

powerful little amp

GavinJanuary 9, 2025

Have had this Amp in my 2006 dodge ram to replace the oem one, it has alot more punch then the oem and the tune ablitly is awesome. I also have stock speakers and I can tell this has a little bit to much power for them so I can't wait to get after market ones and really hear what it can do Read more

★☆☆☆☆

Does not work.

CustomerMarch 21, 2021

Does not work. No audio output. Read more

★★★★★

Excellent precise clear sound in an amazingly small footprint.

Allan KhouriJuly 5, 2023

Sounded like 100 watts per channel of clarity and precision. Total bargain for what you are getting. I only wish it could be controlled with an Android app but once you get it dialed in, you won't need to mess with it much at all. Read more

★★★★☆

Nice amp, poor QA

Nathan K. PriceApril 22, 2024

Just finished installing this into an NC Miata with Focal ISU200 components. It fit where the Bose amp was with some effort and a dremel, which is one of the reasons I chose the amp. The other reason I chose this is to upmix the front and rear center channels, which I prefer because of the help they provide when the top is down. I left the USB cable connected and wrapped up under the amplifier access panel, so any time I need to tweak the settings I can grab my laptop and get it done. The Good: I was able to configure my car very quickly. I left all the EQs flat because I just wanted it to work today, but I see a lot of configurability. It was easy to assign each channel to the correct speaker, and assign inputs to output channels. Assigning inputs to outputs took a little figuring out, but once I realized what was happening it was easy to configure correctly. The Bad: Poor QA. I don't know why, but output channel one would hiss loudly on startup for a random amount of time. I wasn't using channels 7 or 8, so I just moved the speaker on channel 1 to channel 7 and that addressed the problem, but I was not able to determine a cause otherwise. When I was first setting it up, the speaker on channel 2 wasn't working. I double checked my crimp connections, and everything was fine. I snipped one of the wires and checked with a multimeter and I was getting 3.6 ohms, so the speaker side was correct. Then I noticed that one of the channel 2 wires was poorly crimped and had depinned itself from the JBL harness. I pushed it back in as best I could and it held, but that was pretty dumb. Read more

★★★★★

good

lance huffmanAugust 13, 2021

good sound Read more

★★★★☆

Works good, clunky UI

HITMAnOctober 25, 2022

Overall, this is a capable DSP amp for compact installations. I was able to hide it behind the glovebox in my ID.4. The DSP has all the essential features for tuning the sound in your car. Almost all the complaints I have can be attributed to the PC software: - the parametric EQ is good enough, but there is no ability to import generated EQ parameter files, for example from REW, - no ability to edit multiple channel EQs together when they are not linked, or copy one channel EQ over another, - bug in the linked channel feature causes the crossovers to mismatch when edited, so the linked channels are useless to me. There are clipping indicators, however these are useless if you are not tuning at deafening volumes. I would love to have the ability to see the frequency analysis of the input and output channels, or at least level meters, to see what is going on in my system and understand if the gain settings are optimal. Read more

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