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NVX BassTracer Enhancer (XBBR2)

Compact 2-Channel LOC & Line Driver with Bass Restoration – Rebuilds Lost Sub-Bass with Parametric Control & Simple Remote Integration

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• Active 2-channel bass restoration processor
• Parametric Bass Controls
• Up to 9.5 Volts of output
• Load selection switch (20, 60, or 20K ohm)
• Remote bass level control included
• Preamp and speaker-level inputs
• Auto turn-on
• LED Clip indicator

Learn more about the xbbr2
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2026-07-12 23:59:00
List price $119.99
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$79.99

 with warranty
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Product Highlights


• Active 2-channel bass restoration processor
• Parametric Bass Controls
• Up to 9.5 Volts of output
• Load selection switch (20, 60, or 20K ohm)
• Remote bass level control included
• Preamp and speaker-level inputs
• Auto turn-on
• LED Clip indicator

Description


NVX brand icon

Authorized dealer

Line Output Converter
9.5 V Volt Control Parametric Bass Control Auto Turn On
Speaker-Level Inputs

Product Details:

  • Active 2-channel bass restoration processor and line output converter
  • Designed to work with factory and aftermarket audio systems
  • Speaker-level inputs handle up to 30V (225 watts RMS)
  • Low-level RCA inputs handle 150 mV - 2 Volts
  • RCA outputs Provides up to 9.5 Volts of output
  • Adjustable Parametric Bass Controls
  • Adjust center-frequency and width of bass EQ processing
  • Auto turn-on via DC offset or Audio detection
  • Load selection switch (20, 60, or 20K ohm) to prevent factory stereo shut-down
  • 12 Volt turn-on output for aftermarket amplifiers
  • Selectable Ground Isolation switch to eliminate ground and alternator noise
  • Molex terminals for speaker signal and power
  • NVX XLOCXLC wired remote bass level control included
  • LED Clip indicator
  • Total Harmonic Distortion: 0.005%
  • Signal to Noise: >105 dB
  • Frequency Response: 10-20,000 Hz
  • Authorized Internet Dealer
  • 1-year Manufacturer's Warranty

Product history:

NVX XBBR2 thumbnail
(newest, current model)
NVX XBBR thumbnail
(previous model, replaced by NVX BassTracer Enhancer (XBBR2))

Frequently Asked Questions (FAQ)


Check your Turn On Mode switch. If it's set to "REM" but you haven't connected a remote wire, it won't trigger the output. For factory radios without a remote wire, switch it to DC or AUD (Audio) to enable auto-sensing.
Modern factory amps look for a specific "load" (speaker resistance). If they don't see it, they shut off. Use the Load Select switch on the NVX XBBR2 and toggle between 20Ω, 60Ω, or 20kΩ until your head unit stays active.
This is likely a ground loop. Instead of returning the unit, adjust the Ground Isolation switch. Switching between GND, ISO, or 200-ohm settings usually eliminates this noise by isolating the signal from the vehicle's chassis.
Distortion often happens if the Gain is too high or the Sweep/Wide settings are over-boosted. Lower the Gain until the Clip LED stops flashing red. Use the NVX XBBR2's Wide knob to narrow the frequency range for a tighter, punchier hit.
Yes. Tap into the factory subwoofer signal for the best results. The NVX XBBR2 will grab that rolled-off signal and restore the low-end frequencies that the factory amp filtered out.

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Specifications & Details


Bass Reconstruction Processors Specifications
Amplifier Series
NVX X Series
Input Connection Type
RCA
Speaker Level
Speaker Level Inputs
Yes
Signal Sensing
Yes
Output Connection Type
RCA
Maximum Input Voltage
150 m volts
Maximum Output Voltage
9.5 volts
Adjustable Center Frequency
Yes
LED Indicators
Clipping
Bass/Gain Remote
Yes
Auxiliary Input
No
Total Number of Inputs
2-Channels of Speaker-level inputs and Low-level RCA
Preamp Outputs
1 pair
Frequency Response
10 - 20,000 Hz
Signal-to-Noise Ratio
105 dB
Total Harmonic Distortion (THD)
0.005%
Selectable Impedance Load
20, 60, 20k ohm
Width
3.23"
Height
0.96"
Warranty and Return Policy
Parts Warranty Duration
1 year
Labor Warranty Duration
1 year
Warranty Provider
Manufacturer

Item Details


Manufacturer:

NVX

Model Number:

XBBR2

Weight:

0.75lbs

Internal SKU:

xbbr2

Internal Product ID:

190411

Product and How-to Videos


Customer Ratings & Reviews


NVX BassTracer Enhancer (XBBR2) thumbnail image

5 star
63%
4 star
30%
3 star
4%
2 star
0%
1 star
4%



Durability
4.8
Value
4.8
Features
4.5
Design
4.6
Usability
4.7

Customer Reviews

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Works as a budget Epicenter.

The following review is for a previous version (XBBR).

I bought this to add some extra bass to my system. Firstly, if you already have good bass, then using a remote bass knob that came with your amp will probably be sufficient. I'm a bass-head and can never get enough bass. This does a great job of adding bass to music that isn't very bassy to begin with. When listening to bass heavy music, such as rap, I found that this actually lessened the amount of bass? Kinda funny because I thought I would have at least the same as before I installed it. . But, 70's and 80's music is benifitted greatly by this. The bass that is put out is a rumbly muddy unclear bass, but still sounds oddly good. My setup is a Rockford Power BD10001 amp for subs and powering 4 12" Rockford subs as well as a Rockford 600.4 powering a set of Rockford mids and tweets up front and a pair of Rockford 5 1/4" coaxials in the rear. I already had immense amounts of bass and gave this a try for a little more. And in conclusion, it really depends on what you listen to in order to get the most out of it. Rock and country really come to life, dance and rap lose out on bass. The thing I liked most was the high voltage outputs to the sub amp and being able to turn the gain way down.

By Larry on April 14, 2014

105 found this helpful


great

The following review is for a previous version (XBBR).

it works just as good as those most expensive products if not better

By Don on November 18, 2014

104 found this helpful


Just bought another one!

The following review is for a previous version (XBBR).

I just purchased another one of these units for my truck, it is a must have. I was able to get this and the second one I just purchased for 70 bucks each, I can tell a big difference when this isn't plugged in!

By Corey on April 15, 2014

102 found this helpful


ok product

The following review is for a previous version (XBBR).

This unit is for someone who has weak bass. If u already have good setup u can bypass this unit and just get a good crossover and a processor other than this one. Im running a custom subwoofer and hifonica amp this unit has an artificial sound but produces a drastic increase of bass. With the remote is how to get performance out of the unit. If u are looking for real low bass u will be disappointed. My sub is tuned to 30hz so the 35hz subsonic filter will kill u

By Solo on March 24, 2013

102 found this helpful


Gives an added kick.

The following review is for a previous version (XBBR).

Works just like the epicenter and some others. i like it and it gives me additional low frequency for added thump. I have it with a fosgate punch 1000watts monoblock.

By Caleb on April 30, 2013

100 found this helpful


Mr

The following review is for a previous version (XBBR).

Professionally installed, my woofer sounds Good and thumping,pretty good light display when thumping

By ruben on December 18, 2014

99 found this helpful


XBBR

The following review is for a previous version (XBBR).

This was a very nice unit like all other NVX products. If you listen to music with no bass or very little bass it is a must have but i listen to rap and a lot of bass-heavy music and it ended up REDUCING bass!! it is intended for music with little or no bass, not for music with a lot of bass, and in turn will reduce your overall thump! If your music is not bass heavy you must get it. It is great for the price!

By Isaiah on January 9, 2014

94 found this helpful


good combo

The following review is for a previous version (XBBR).

I got it with my fosgate amp and it helps for songs without a ton of bass. my system is pretty simple setup with 2 12 and a sealed box and i like the extra lows i get with it.

By kurt rivers on March 30, 2013

92 found this helpful


NVX XBBR

The following review is for a previous version (XBBR).

This is a great low budget EPICENTER if u dont have the money for an real one I highly recommend this for you ! It really does it job it give you that extra BASS great buy for your money! :-)

By Odie on August 18, 2013

90 found this helpful


Yes

The following review is for a previous version (XBBR).

The xbbr is a great addition to sound systems. Sonic electronix rocks!

By Sandford on March 9, 2015

85 found this helpful




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