Goldhorn DSP Amplifier DSPA 406

Entry-Level Friendly, Audiophile-Grade DSP with Built-In Class AB Amplifier

The Goldhorn DSPA 406 is the perfect starting point for car audio enthusiasts looking to experience high-fidelity sound without a complicated install. With 4 x 65W Class AB amplifier channels, it offers the natural, analog richness that seasoned listeners love.

Built with voltage build-up technology, the DSPA 406 ensures cleaner power delivery and improved dynamics, especially in low-frequency response. Designed with 4 high-level inputs and 4 RCA inputs, plus 6 RCA outputs and 4 amplified outputs, it supports flexible configurations for upgrading factory systems or building a small-scale 3-way active setup.

Equipped with a 31-band EQ, Bluetooth® 5.0 streaming (with aptX HD, aptX, AAC, SBC), and Navigation Mix to prioritize reverse camera or GPS prompts, the DSPA 406 goes beyond what most entry-level processors can offer. It’s simple to install, powerful in performance, and ideal for cars requiring a clean and budget-friendly audio boost.

Features

• Built-in Class AB amplifier:
  • 4 x 65W @ 4Ω output for warm, full-bodied sound
• Voltage Build-Up Technology: Enhanced dynamic performance and clean power output
• Input/Output Configuration:
  • 4 x High-Level Inputs
  • 4 x RCA Inputs
  • 6 x RCA Outputs
  • 4 x High-Level Outputs
• Bluetooth® 5.0 Audio Streaming:
  • Supports aptX HD, aptX, AAC, SBC for lossless wireless audio
• Advanced DSP Controls:
  • 31-band EQ, crossover, time alignment, and phase control (per output)
  • 5-band EQ and delay settings (per input)
• Dynamic Loudness Control: Retains clarity and impact at all volume levels
• Navigation Mix: Prioritizes voice prompts from GPS and reverse camera
• EPS (Error Protection System): Built-in safeguards for system reliability
• Perfect for factory system upgrades and entry-level active audio setups
• Hi-End component quality in an entry-level-friendly package