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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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List price $119.99
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-33%

$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
  • 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
75%
4 star
13%
3 star
13%
2 star
0%
1 star
0%



Durability
5
Value
5
Features
5
Design
5
Usability
5

Customer Reviews

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Did exactly what the Epicenter does AND more for way less

The fact that I did not have to buy load generating impedance parts from Audiocontrol or Metra or NVX is amazing. This small but mighty processor has the ability to adjust for my factory system and it added back so much low end that one sub ended up being plenty.

By Jerome on December 23, 2022

58 found this helpful


By Darrius on December 4, 2023 Checkmark Icon Verified purchase

33 found this helpful


Exactly what I needed

I was looking for an all in one bass restorer and line driver. This is exactly what I needed and saved me over the only other product of its kind, the Audio Control unit.

By Tyler on May 6, 2024 Checkmark Icon Verified purchase

18 found this helpful


By Manuel on December 20, 2024 Checkmark Icon Verified purchase

6 found this helpful


Nvx or nothing.

This bass processor makes music that's missing bass cone to life. You will notice the difference right away. It takes some adjusting. But once set you are ready to bass.

By Zay on September 19, 2025 Checkmark Icon Verified purchase

2 found this helpful


NVX Bass Restoration

I am a big fan of NVX I have two of the thier amps and they work flawlessly. I was planning to buy the Audio Control Epicenter until the staff showed me that NVX has a version also. Small discreet and does what it’s supposed to do.

By Jules on February 24, 2025 Checkmark Icon Verified purchase

2 found this helpful


For the price it works quite well, I was impressed, I recommend it 100%

By Alan on February 12, 2025 Checkmark Icon Verified purchase

2 found this helpful


Great product for the Price , i recommend this product.

By Allan on April 11, 2025 Checkmark Icon Verified purchase

1 found this helpful




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