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NVX XDSP28

8-Channel X-Series 15 Band Parametric EQ Digital Signal Processor (DSP) with LCD Display, Built-in Bluetooth and Remote Level Controller

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• 15 Band Parametric EQ
• 8-Channel RCA Outputs
• Provides up to 2 Volts of output
• Fully adjustable High and Low-pass filters
• Time alignment in 0.02 ms increments

Learn more about the xdsp28
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List price $131.99
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$109.99

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Description


NVX brand icon

Authorized dealer


Pioneering Audio Processing with Remote Level Control

The XDSP28 stands out as the first of its kind in the automotive car audio market with a Remote Level Controller, enabling simultaneous control of all eight outputs. This feature, combined with its advanced capabilities for filters, graphic and parametric equalization, alignment, phase inversion, limiter, and an audio generator, makes it a revolutionary tool for enhancing automotive audio systems.

User-Friendly Interface and Versatile Connectivity

Featuring an intuitive interface with an LCD display for real-time audio adjustments. It comes equipped with 2 audio inputs (A and B) and 8 independent outputs, allowing users to select the audio source for each output. This flexibility is essential for customizing audio according to individual preferences or specific vehicle needs.

Sophisticated Equalization System

The XDSP28 boasts a comprehensive equalization system, including a 15-band graphic equalizer with manual tuning and 12 presets for various genres. Additionally, it offers 1 INPUT and 1 OUTPUT Parametric Equalizers for professional-grade adjustments, providing users with detailed control over frequency, gain, and bandwidth.

Advanced Crossover and Limiter Functions

This audio processor features a precise Crossover function with customizable frequencies, attenuation rates, and filter types (Butterworth and Linkwitz-Riley). The Limiter, with its Dynamic Attack-Release system, helps protect amplifiers and speakers by dynamically adjusting the Attack and Release parameters, ensuring both security and high sound fidelity.

Comprehensive Audio Treatment and Configuration Features

The XDSP28 excels in audio treatment with functions like High Accuracy Delay, Phase Inversion, Independent Gain by Output, and Master Level. Additionally, it has an integrated Audio Generator for accurate measurements, a Configuration Copy function for output channels, and various management features like Save and Load Settings, Security Password, Marquee/Text Display, and multi-language support (English, Spanish, Portuguese).

Product Details:

  • 15 Band Parametric EQ Digital Signal Processor with LCD Display
  • Built-in Bluetooth for music streaming
  • 2-channels of RCA inputs
  • 8-channels of RCA outputs provide up to 2 Volts of output
  • Designed to work with aftermarket audio systems
  • Rotating control knob allows easily access all menu functions and settings
  • Channel settings can be separate or linked together
  • Fully adjustable High and Low-pass filters
  • Crossover Type: Butterworth and Linkwitz-Riley
  • Selectable filter slopes: 12/24/36/48 dB/octave
  • Time alignment in 0.02 ms increments
  • Phase adjustment: 0 or 180°
  • 12 graphic equalization presets: Flat, Loudness, Bass Boost, Mid Bass, Treble Boost, Powerful, Electronic, Rock, Hip Hop, Pop, Vocal and Pancadao (Heavy Beat)
  • 4 memory slots allow you to save the perfect turning configuration
  • Remote Turn-on Sequencer: Allows sequential triggering of 3 other products through the remote turn-on connection (REM)
  • Integrated Audio Tone Generator, frequency sweep, and Pink Noise
  • Remote Level Controller enables simultaneous control of all eight outputs
  • Total Harmonic Distortion: 0.01%
  • Signal to Noise: >94 dB
  • Frequency Response: 10-23,000 Hz
  • Power supply: 10V-16V DC
  • Dimensions: 7.87" x 3.98" x 1.46"
  • Authorized Internet Dealer
  • 1-year Manufacturer's Warranty
NVX XDSP28 owner’s manual

Frequently Asked Questions (FAQ)


Check if the Bluetooth mode is active; if it's on, the RCA inputs are automatically muted. Also, ensure the "Remote Level Controller" isn't turned all the way down, as it controls all 8 outputs simultaneously.
Ensure the Bluetooth antenna is pointed up and not obstructed by metal. If pairing fails, long-press the volume button for 5 seconds to clear previous memory. For the best wireless experience, always use NVX high-quality interconnects.
This is likely a ground loop. Ensure the NVX XDSP28 ground wire (16 AWG recommended) is secured to a bare metal chassis point. Avoid routing input signal cables next to power wires to prevent electromagnetic interference.
Use the built-in "Limiter" function to set dynamic attack/release parameters. This protects your gear from signal spikes. For maximum protection and clarity, pair this unit with NVX V-Series amplifiers for a matched, clean signal path.
Verify the "REM IN" wire has a solid +12V signal from your head unit. If the XDSP28 stays on but amps don't, check that your total remote turn-on load doesn't exceed the output limit; you may need an NVX power relay for multiple amps.

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Specifications & Details


General Specifications
Equalizer Bands
15 band
Built-in Crossover
Low-Pass (LP)
High-Pass (HP)
Total Number of Inputs
2
Total Number of Outputs
8
Display Color
Blue
Button Color
Blue
Equalizer Frequencies
25 - 16 Hz
Signal Boost/Cut
12 dB
Max Output Level
2 volts
Frequency Response
10 - 23000 Hz
THD (Total Harmonic Distortion)
0.01%
Signal-to-Noise Ratio
94 dB
Width
3.98"
Height
1.46"
Warranty and Return Policy
Parts Warranty Duration
1 year
Labor Warranty Duration
1 year
Warranty Provider
Manufacturer

Item Details


Manufacturer:

NVX

Model Number:

XDSP28

Weight:

1.02lbs

Internal SKU:

xdsp28

Internal Product ID:

201197

Customer Ratings & Reviews


NVX XDSP28 thumbnail image

5 star
67%
4 star
33%
3 star
0%
2 star
0%
1 star
0%



Durability
5
Value
4.7
Features
5
Design
4.7
Usability
4

Customer Reviews

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Everything from ordering to delivery was easy and dealing with sonic electronics employees was great very short shipping time also quality merchandise I'll keep buying car audio equipment from them

By Michael on March 30, 2025 Checkmark Icon Verified purchase

4 found this helpful


Great crossover, for the most part

Control knob very sensitive. Remote control of adjustments would be nice whether through an app or even a port to connect a tablet or laptop.

By Max on October 29, 2024 Checkmark Icon Verified purchase

3 found this helpful


great dsp

the features and very robust and great. the sequencer is a neat touch. the only thing I don't like is that the remote knob isn't very linear.. it will max out before max and same when lowering to lowest volume

By david on April 5, 2025 Checkmark Icon Verified purchase

2 found this helpful




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Modern vehicles often require specific brackets, wiring harnesses, and mounting solutions. A fit guide ensures:

  • You see only parts engineered for your exact vehicle
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  • You get the correct accessories the first time

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