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JBL DSP4086 (DSP4086AM)

1000W Peak 480W RMS Class D 8-Channel Compact Car Amplifier with Digital Signal Processor

JBL
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• 40 watts x 8 channel @ 4 ohm
• 60 watts x 8 channel @ 2 ohm
• Total RMS Power: 320 watts
• Class D 2 ohm Stable 8-Channel Amplifier

Learn more about the dsp4086
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List price $549.95
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$499.95

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JBL DSP4086 (DSP4086AM)

30% off


Priced separately $596 93

Promo Savings of $29 09

Total price:

$567 84

Description


JBL brand icon

Authorized dealer


JBL DSP4086

JBL DSP Amplifier is an audio processor for fine-tuning of aftermarket audio systems. It is a self-contained audio system with 6-channel audio inputs, 8-channel powered audio outputs, an easy-to-use tuning interface a novice can understand and detailed tuning capabilities to satisfy even experienced installers. With a USB connection to access the tuning interface using a Windows PC, you can control fully variable crossovers, selectable 0-to-48dB slopes, time delay, 31-band parametric or graphic EQ adjustment, assignable input to output mixer with input channel summing, channel gain, master volume control, clipping indicator to ensure the audio output is not distorted and ability to save up to 10 presets.


Product Details:

  • DSP Series Class D 2 ohm Stable 8-Channel Amplifier
  • RMS Power Rating:
    • 4 ohm: 40 watts x 8 channel
    • 2 ohm: 60 watts x 8 channel
  • Total power output: 320 watts
  • LED Power/Protect Light
  • Wired bass level remote control included
  • Speaker-level (high-level) inputs
  • 3-way protection circuitry (thermal, overload, and speaker short protection)
  • CEA-2006 standard compliance
  • Digital Signal Processing:
    • DSP and EQ tuning tool adjustments made via USB connection to a Windows PC
    • Each channel has an independent 31-band graphic or parametric EQ
    • Adjustable high-pass, low-pass, and band-pass filters (20-20,000 Hz)
    • Selectable filter slopes (6, 12, 18, 24, 30, 36, 42, 48 dB/octave)
    • 31-band EQ (selectable parametric or graphic)
    • Selectable phase: 0 or 180 degrees
    • Adjustable delay: 0 to 12ms in 0.2ms increments
  • Input sensitivity: 680mV - 6 volts
  • Frequency Response: 10 - 22000 Hz
  • Total Harmonic Distortion (THD): 1%
  • Signal to Noise Ratio: 90 dB
  • Variable high-pass filter:
  • Variable low-pass filter:
  • Fuse Rating: 40
  • 8 AWG gauge amplifier wiring kit is recommended for installation
  • Dimensions: 9-3/8" L x 5-11/16" W x 2" H
  • Authorized Internet Dealer
  • 1-year Manufacturer's Warranty
  • MFR #: DSP4086AM


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Specifications & Details


Key Features
Amplifier Key Features
Built-in DSP
Speaker Level Inputs
Power Specifications - Full Range Channels
RMS Power @ 4 ohms
40 watts x 8 channel
RMS Power @ 2 ohms
60 watts x 8 channel
Amplifier Specifications
Series
DSP Series
Amplifier Class
D
Number of Channels
8-Channel
Total Peak Power Output
1000 watts
Total RMS Power Output
320 watts
Maximum Input Gauge Size
8 AWG
Minimum Impedance Unbridged
2 ohm
Minimum Impedance Bridged
Not Bridgeable
Frequency Response
10 - 22000 Hz
THD at Rated RMS Power
1%
Speaker Level Inputs
Yes
Preamp Outputs
No
Built-in Crossover
Low-Pass (LP)
High-Pass (HP)
Full (AP)
Signal-to-Noise Ratio
90 dB
Remote bass/level controller
Yes
Fuse Rating
40A x 1 
Total Fuse Rating
40
Sonic Certified Amplifier
Not Tested
Amp Bluetooth Connectivity
No
Hi-Res Certified
No
Low-Level Input Sensitivity
680mV - 6 volts
High-Level Input Sensitivity
1.6 - 15 volts
What is in the box?
Paperwork
User manual
Warranty/Registration card
WITB: Amplifiers
Amplifier
Wired gain knob (wire attached)
Mounting screws (6)
Washers (6)
One spare fuse
High-level input wiring harness w/ molex connector
Warranty and Return Policy
Parts Warranty Duration
1 year
Labor Warranty Duration
1 year
Warranty Provider
Manufacturer

Item Details


Manufacturer:

JBL

Model Number:

DSP4086

Weight:

4.70lbs

Internal SKU:

dsp4086

Internal Product ID:

184395

Customer Ratings & Reviews


JBL DSP4086 (DSP4086AM) thumbnail image

5 star
80%
4 star
0%
3 star
0%
2 star
20%
1 star
0%



Durability
4.7
Value
5
Features
5
Design
4.8
Usability
4

Customer Photos & Videos


Customer Reviews

Sort by:

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Very Clean Sounding Amp/ DSP

I was replacing an old JBL MS-8 in my BMW. I originally gutted the entire audio system. So, all the infrastructure was already in place. It was a simple swap of connectors etc. Even if I didn’t have all the various connectors etc in place, it wouldn’t be too bad.

I have 2 additional amps in the car. I did not use the filters in the software (high pass & low pass) on any speakers that were already using filters (via the amp). The ability to parallel settings is a nice & time saving feature. My only complaint about it is that the USB connector cable needs to be about 2-3’ longer.

You do need to set the mixer and tell the DSP what channels you are using and what speakers are powered by each channel. This was not clear in the directions.

The software was easy to down load from the JBL website. It can be a little overwhelming to look at, at first. I’d suggest using YouTube / https://youtu.be/CNPjM3Xe7bI

The above was a helpful video.

By matthew on January 19, 2022 Checkmark Icon Verified purchase

39 found this helpful


Love this little amp ( for my needs)

Great for a factory upgrade. Installed in a 18 4Runner under the driver seat. I've got 9 (8 + 1 sub) speakers on 7 channels. I'm running it off the stock Toyota head unit. This amp about doubles the power and nearly doubles the volume. What sets it apart though is the value for the DSP. The channel delay function although subtle is noticeable improvement in sound stage. The software is easy to use. I had my installer route the amp's USB cable to my center console so I can plug in my laptop anytime and tweak. You could spend hours tuning. If you are replacing stock speakers randomly this will allow you to really overcome issues. I would think even adding this to a totally stock system would make a world of difference. We'll see if lasts !

By Michael on August 12, 2022 Checkmark Icon Verified purchase

35 found this helpful


Perfect condition. Great Value

Perfect condition. excellent Value. Controls are awesome, allowing for custom tweaking. Sound is excellent

By Tim on June 29, 2022 Checkmark Icon Verified purchase

34 found this helpful


Great Amp, Terrible Webstore

I love the amp, but so far I keep getting let down by Sonic Electronix. The first time I ordered it, I received and installed it, but it had numerous problems. The first one was that auto turn on would not work using the audio signal. The second is that it would not accept low level input. The third is that when using high level input, the amp would cut out under moderate load. I sent that one back, and received another, this one will not accept input from channels, 2, 4, and 6. I would love to give this amp 5 stars, but 2 duds in a row seem very unlikely unless there are a considerable amount of bad quality amps out there.

By Tyler on April 24, 2023 Checkmark Icon Verified purchase

32 found this helpful


Good replacement amp for Tundra.

By Tom on October 27, 2025 Checkmark Icon Verified purchase
2018 Toyota Tundra




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Whether you're replacing a factory stereo or upgrading your entire audio system, the Fit Finder eliminates uncertainty.