Goldhorn DSPA 406 (Previous Demo)

Compact and powerful DSP amplifier with seamless Bluetooth integration, designed for high-quality car audio enhancement.

Goldhorn DSPA 406  (Previous Demo)
Goldhorn DSPA 406  (Previous Demo)
Goldhorn DSPA 406 | 6 Channel DSP / 4 x 65w Amplifier|Goldhorn|Audio Intensity
Goldhorn DSPA 406  (Previous Demo)
Goldhorn DSPA 406  (Previous Demo)
Goldhorn DSPA 406 | 6 Channel DSP / 4 x 65w Amplifier|Goldhorn|Audio Intensity
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Cost-Effective Performance
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Bluetooth 5.0 with aptX HD
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Compact Size
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High-Level and RCA Inputs
Regular price $ 249.99
Sale price $ 249.99 Regular price $ 399.99
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Goldhorn DSPA 406  (Previous Demo)

Goldhorn DSPA 406 (Previous Demo)

Regular price $ 249.99
Sale price $ 249.99 Regular price $ 399.99
Unit price
Overview
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Overview
Goldhorn DSPA-406 | 6-Channel DSP Amplifier - Previous Demo Version
PREVIOUS DEMO VERSION - DISPLAY UNIT

Goldhorn DSPA-406

6-Channel DSP Amplifier with 4x65W Class AB Power

Professional digital signal processing meets integrated amplification for superior car audio enhancement.

6-CH
DSP Processing
4x65W
Class AB Power
Goldhorn DSPA-406 DSP Amplifier

Product Overview

The Goldhorn DSPA-406 represents the perfect entry point into advanced car audio processing, combining professional DSP capabilities with integrated Class AB amplification in a compact, installer-friendly package.

Advanced DSP

ADAU1450 chip with 31-band parametric EQ per channel

Bluetooth 5.0

aptX HD codec for high-quality wireless streaming

Compact Design

180 x 129 x 36mm form factor for easy installation

Versatile I/O

4 high-level inputs, 6 RCA outputs for expandability

Technical Specifications

Professional-grade components and performance metrics

Core Processing

Model DSPA406
DSP Chip ADAU1450
DAC Chip PCM1690
ADC Chip 2 x PCM1862
Opamp NJM4580 & MC33078

Amplifier Performance

Output Power 4 x 65W
Amplifier Class Class AB
THD+Noise 0.03%
S/N Ratio >100dB
Frequency Response 20Hz ~ 40kHz

Connectivity

Inputs 4 Hi / 4 RCA / BT
RCA Outputs 6 Channels @ 4V
Bluetooth 5.0 with aptX HD
PC Connection USB-B
Operating Voltage 10V ~ 16V

DSP Processing

Output EQ 31 Bands/Channel
Input EQ 5 Bands/Channel
Crossover 20Hz ~ 20kHz
Delay 0 ~ 15ms
Presets 8 Memory Banks

Physical Specifications

Dimensions 180 x 129 x 36mm
Finish Black Anodized Aluminum
Fuse Rating 10A
Start-Stop Ready Yes
Protection EPS Error Protection

Software & Features

Software Windows 8/10/11
Navigation Mix Yes
Input Mixer Yes
Auto Turn On DC Offset/Signal Sense
Phase Control 0° ~ 360° Variable

Key Features & Benefits

Designed for car audio enthusiasts who demand professional-grade processing with user-friendly operation

Advanced Digital Signal Processing

The ADAU1450 DSP chip delivers professional-grade signal processing with 31-band parametric EQ per channel, allowing for precise frequency response tuning. Combined with high-quality PCM1690 DAC and dual PCM1862 ADC chips, the DSPA-406 ensures exceptional audio fidelity throughout the signal chain.

  • 31-band parametric EQ per output channel
  • Variable crossover slopes from 6dB to 48dB
  • Individual channel delay up to 15ms
  • Phase control from 0° to 360°
Goldhorn DSPA-406 Front Panel
Goldhorn DSPA-406 Connectivity

Integrated Class AB Amplification

Four channels of 65W Class AB amplification provide clean, powerful output with minimal distortion. The voltage build-up technology ensures consistent performance even at higher volumes, while the premium NJM4580 and MC33078 op-amps deliver audiophile-grade sound quality.

  • 4 x 65W Class AB power output
  • THD+Noise less than 0.03%
  • Signal-to-noise ratio >100dB
  • Voltage build-up technology

Premium Bluetooth Connectivity

Bluetooth 5.0 with aptX HD codec support ensures high-quality wireless streaming from any compatible device. The navigation mix functionality allows GPS and phone audio to blend seamlessly with your music, while maintaining crystal-clear sound quality.

  • Bluetooth 5.0 with aptX HD codec
  • Navigation mix functionality
  • Automatic device pairing
  • Low latency streaming
Goldhorn DSPA-406 Bluetooth Features

Installation & Compatibility

Designed for easy integration with both factory and aftermarket audio systems

Factory Integration

High-level inputs allow direct connection to factory head units without additional adapters

Compact Form Factor

180 x 129 x 36mm dimensions fit easily under seats or in tight installation spaces

Flexible Connectivity

Multiple input options and 6 RCA outputs provide extensive expansion possibilities

Protection Features

Start-stop ready with EPS error protection system for modern vehicle compatibility

System Configuration Options

Basic Upgrade

Replace factory amplifier with DSP processing for immediate sound quality improvement

Component System

Drive component speakers directly while using RCA outputs for subwoofer amplifier

Full System Control

Use as system processor with RCA outputs feeding multiple external amplifiers

Software & Control Interface

Powerful Windows-based software provides intuitive control over all DSP functions

Windows Software Suite

  • Compatible with Windows 8, 10, and 11
  • USB-B connection for configuration
  • Real-time parameter adjustment
  • Graphical EQ and crossover interface

Advanced Control Features

  • 8 memory presets for different configurations
  • Input mixer for signal blending
  • Automatic switching configuration
  • Noise gate for analog inputs

Signal Processing Options

Crossover Functions

Butterworth & Bessel filters: 6, 12, 18, 24, 30, 36, 42, 48dB slopes

Linkwitz-Riley: 12, 24, 36dB slopes

EQ Capabilities

Peak, High Shelf, Low Shelf, and All-Pass filter types

Q adjustment from 0.5 to 15 in 0.1 steps

Linking Functions

  • Volume linking (absolute or relative)
  • EQ linking (relative or absolute)
  • Crossover linking with EQ integration
  • Frequency response synchronization

About the Goldhorn DSPA-406

The Goldhorn DSPA-406 represents a perfect entry point into professional car audio processing, combining advanced DSP capabilities with integrated Class AB amplification in a remarkably compact package. Designed for enthusiasts who demand superior sound quality without the complexity of separate processors and amplifiers.

At the heart of the DSPA-406 lies the powerful ADAU1450 DSP chip, working in conjunction with premium PCM1690 DAC and dual PCM1862 ADC converters. This combination ensures exceptional signal integrity throughout the entire audio chain, from input processing to final amplification. The integrated NJM4580 and MC33078 op-amps provide the final touch of audiophile-grade analog signal conditioning.

The four-channel Class AB amplifier section delivers 65 watts per channel of clean, powerful output with less than 0.03% THD+Noise. Voltage build-up technology ensures consistent performance even at higher volume levels, while the >100dB signal-to-noise ratio guarantees a pristine listening experience free from background noise or distortion.

Connectivity options are extensive and practical. Four high-level inputs allow direct connection to factory head units, while four RCA inputs accommodate aftermarket sources. The built-in Bluetooth 5.0 with aptX HD codec provides high-quality wireless streaming, complete with navigation mix functionality for seamless integration of GPS and phone audio.

The DSP processing capabilities are truly impressive for a unit in this class. Each output channel features a 31-band parametric EQ with adjustable Q factors, while input channels provide 5-band EQ sections. Crossover functions include multiple filter types with slopes ranging from 6dB to 48dB per octave, and individual channel delays up to 15ms allow for precise time alignment.

Installation is straightforward thanks to the compact 180 x 129 x 36mm dimensions and flexible mounting options. The unit easily fits under seats or in other confined spaces, while the black anodized aluminum construction provides both durability and heat dissipation. Start-stop compatibility and EPS error protection ensure reliable operation in modern vehicles.

The Windows-based configuration software provides intuitive control over all DSP functions, with real-time parameter adjustment and eight memory presets for different listening scenarios. Whether you're upgrading a basic system or building a sophisticated multi-amplifier setup, the DSPA-406 provides the processing power and flexibility to achieve your audio goals.

Warranty & Support

Manufacturer Warranty

Protected by Goldhorn's comprehensive manufacturer warranty coverage

Technical Support

Expert technical assistance for installation and configuration questions

Software Updates

Regular software updates and feature enhancements available for download

Audio Intensity

Premium Car Audio Equipment & Professional Installation

Expert Support Fast Shipping Premium Quality
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Comparable Products

Product Specifications

Goldhorn DSPA 406 (Previous Demo)

Frequently Asked Questions

What is the power output of the Goldhorn DSPA 406?

Can I connect my phone via Bluetooth?

Does it support high-level and RCA inputs?

What is the Navigation Mix feature?

Is the Goldhorn DSPA 406 easy to install?

Does the DSPA 406 have expandability options?

What Bluetooth codecs are supported?

What is Voltage Build-Up Technology?

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