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Product details

Advanced Specifications
  • DSP outputs: 10-channel platform
  • Amplifier: 4-channel Class AB, up to 65 W per channel
  • Outputs: 4 high-level outputs, 6 RCA outputs
  • DSP chip: ADI ADAU1452
  • DAC: TI PCM1690 (24-bit / 192 kHz)
  • ADC: 2 × TI PCM1862
  • Output EQ: 31-band per channel (±15 dB, 0.1 dB steps)
  • Input EQ: 5-band per channel (±15 dB, 0.1 dB steps)
  • USB: USB 2.0 Host × 3
  • Bluetooth: 5.0
  • PC connection: USB-B
Key Features
  • All-in-one platform: player + DSP + onboard amplification in one chassis
  • Designed for flexible system layouts: onboard amp for speakers, RCA outs for expansion
  • DSD256 hardware decoding for high-resolution playback
  • Full DSP tuning toolset with per-channel EQ, crossovers, time alignment, and phase control
  • Multiple source options: USB playback plus Bluetooth and Wi-Fi streaming
Best Suited For
  • Entry-level DSP builds where a single chassis is preferred
  • Systems needing onboard amplification for four speakers plus RCA expansion
  • Builds aiming for 2-way or 3-way active crossover layouts via RCA outputs (as stated)
  • Installs adding a subwoofer amplifier while keeping core speaker amplification onboard
  • Users who want DSD256 playback capability alongside DSP tuning control
Why OSCA Backs This Product

When the goal is a first step into DSP-based tuning without building a system from separate modules, an all-in-one platform like this keeps the architecture simple: onboard power for four channels, and RCA outputs ready for expansion. Based on the published configuration (4-channel Class AB amplification plus 6 RCA outputs), it suits common upgrade paths where speakers are powered directly while the sub stage or additional channels are handled externally.

Entry-Level ALL-IN-ONE Solution

The P1 DSPA is the easiest way into a properly tuned DSP-based system, combining processing, amplification, and clean integration in one compact platform. Built for real-world installs, it gives you the control and refinement needed to move beyond basic upgrades and into a system that sounds more balanced, more detailed, and far more resolved.

Entry-level here does not mean stripped back. It means purposeful. The P1 DSPA delivers everything you need to build a strong foundation, with the flexibility to grow as your system evolves. For anyone looking for a smarter first step into better sound, it offers the right mix of simplicity, performance, and upgrade potential.

REAL CAR AUDIO

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The Gold Standard in Car Audio

Since its establishment in 2004, Goldhorn Electronics has risen to the forefront of China’s high-end car audio market. Drawing on decades of experience in high-fidelity sound and automotive electronics, Goldhorn engineers develop products designed to resolve musical nuance and accuracy inside the acoustically complex vehicle environment. With in-house research, manufacturing, and technical support, the brand has earned recognition both domestically and internationally for its refined, performance-driven solutions.

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