Goldhorn P3 DSPA Plus

20-Channel DSP Amplifier for Audiophile-Level Car Audio

The Goldhorn P3 DSPA Plus is a fully integrated DSP amplifier, purpose-built for high-end multi-channel car audio upgrades. It features a 10-channel Class D amplifier that delivers 8 x 80W and 2 x 150W output, making it ideal for powering complex, high-performance speaker setups.

The system incorporates a 295 MHz ADI DSP chip capable of 1.2 billion MAC operations per second, allowing for fine-tuned signal customization. With 31-band EQ output adjustment, 5-band input EQ/delay tuning, and time alignment per channel, users gain precise control over sound reproduction for exceptional clarity and depth.

Designed for modern connectivity, it supports OTG data transmission from smartphones, lossless streaming via Bluetooth® 5.0 with aptX, and Wi-Fi. Additional control options include an IPS panel interface, wireless remote, and mobile app integration.

Whether you’re a car audio enthusiast or a professional installer, the P3 DSPA Plus offers all-in-one functionality with uncompromising fidelity.

Features

• Integrated 10-Channel Class D Amplifier: 8 x 80W (4Ω) + 2 x 150W (4Ω) max output
• Supports High-Resolution Audio Playback: DFF, DSF, WAV, FLAC, APE, AIFF, DSD (up to DSD256)
• Professional TI PCM1690 DAC: 24-bit / 192 kHz PCM decoding
• Advanced DSP Engine:
• 295 MHz ADI chip with 1.2 billion MAC/s
• 31-band EQ (per output), 5-band EQ & delay (per input)
• Adjustable phase, crossover slope/frequency, and time alignment
• OTG (Phone-to-Device) Transmission: Seamless connection for high-fidelity playback
• Flexible Input/Output Configurations:
• 12 x High-Level Inputs, 2 x AUX Inputs
• 12 x RCA Outputs, 10 x High-Level Outputs
• 1 x BLT Output (200W/4Ω max)
• Dynamic Loudness Control
• Goldhorn SKYATOM Surround Sound System
• Multiple Control Options:
• IPS panel with real-time feedback
• Wireless digital remote
• Smartphone App (iOS/Android)
• Bluetooth® 5.0 with aptX and Wi-Fi for lossless streaming
• High-end components:
• Professional-grade Op-Amps
• High-temp electrolytic capacitors (rated 105°C)