Goldhorn DSP16 Ultra: 16-Channel High-Fidelity Audio Processor

Triple DSP Core Power

3x ADAU1463 DSP chips (Analog Devices Flagship), delivering 16 fully independent processing channels with 32-bit floating-point precision and ultra-low latency.

Dual ES9038Pro DAC

2x ESS Sabre32 Reference DACs (32-bit/768kHz) with 7 selectable filter modes, the identical DAC technology used in $50,000+ professional mastering consoles.

0.005ms Delay Precision

Ultra-fine 0.005ms delay adjustment steps (vs. 0.02ms standard). Enabling microsecond-level time alignment for competition-grade imaging accuracy.

Dual AK5558VN ADC

2x Asahi Kasei flagship ADCs (32-bit/768kHz) ensure pristine signal capture from OEM head units and high-level inputs. Preserving every nuance of the source material.

DSP Processing

Digital-to-Analog Conversion

Analog-to-Digital Conversion

EQ & Time Alignment

Inputs & Outputs

Physical & Power

31-Band Parametric EQ

±15dB adjustment in 0.1dB steps, Q range 0.5-15 (0.1 steps). Peak, High/Low Shelf, 1st/2nd Order All Pass filters for surgical frequency shaping.

SKYATOM Surround System

Goldhorn's proprietary spatial audio algorithm creates a 360° immersive soundstage with precise imaging and depth. Competition-ready staging.

Ultra-Precision Time Alignment

0.005ms delay steps (0-20ms range) enable microsecond-level speaker synchronization, the difference between "excellent" and "world-class" staging.

Active Noise Cancellation

Digital ANC technology reduces road noise, engine rumble, and wind noise. Improving dynamic range and revealing low-level musical details.

Bluetooth 5.0 (aptX HD)

Qualcomm chipset with aptX HD, aptX, AAC, and SBC codecs. Wireless streaming at near-lossless quality (24-bit/48kHz).

Dynamic Loudness Control

Automatically adjusts EQ curves based on volume level. Preserving tonal balance and bass response at low and high listening levels.

16 High-Level Inputs

Direct connection to OEM amplifier outputs. No LOC converters required. Supports factory systems with auto turn-on and signal sensing.

8 User Presets

Save multiple tuning profiles (Jazz, Rock, Classical, Competition). Instant recall without re-tuning. Perfect for different music genres or listening positions.

Competition Sound Quality (SQ) Builds

Target Events: EMMA, IASCA, SBN World Finals, MECA

Why DSP16 Ultra:

• 0.005ms delay precision microsecond-level time alignment for perfect staging
• 16 independent channels full active 3-way front + 2-way rear + subs + center
• 31-band EQ per channel surgical tuning for judges' frequency response tests
• Dual ES9038Pro DACs lowest measurable THD+N for distortion categories

Ultra-Luxury Vehicle Installations

Target Vehicles: Rolls-Royce, Bentley, Mercedes S-Class, BMW 7-Series, Porsche Taycan

Why DSP16 Ultra:

• 16 high-level inputs seamless OEM integration (Burmester, Bowers & Wilkins, etc.)
• SKYATOM Surround multi-passenger soundstage (driver + rear VIP seating)
• Active Noise Cancellation enhances cabin quietness and reveals sonic details
• Start-Stop compatible modern luxury vehicle electrical systems

Reference Home-to-Car Audio Conversions

Target Users: Audiophiles, musicians, mastering engineers, vinyl enthusiasts

Why DSP16 Ultra:

• Dual ES9038Pro DACs same chipset as $50,000+ studio converters
• 7 DAC filter modes tailor sonic signature (brick wall, apodizing, linear phase)
• USB-DAC input (192/32) direct connection to high-res music libraries
• >125dB S/N ratio approaches theoretical limits of human hearing

Multi-Amplifier Reference Systems

System Architecture: Fully active 3-way fronts + rear fill + multiple subwoofers

Why DSP16 Ultra:

• 16x RCA outputs @ 6Vrms drive up to 8 stereo amplifiers (or 16 mono)
• Independent channel processing unique crossover/EQ/delay per speaker
• Gold-plated RCA connectors pristine signal integrity across 16 output stages
• Proprietary opamp design ultra-low output impedance for long cable runs

Mounting Location

• Under-seat installation: Minimal footprint (304 x 231 x 50mm)
• Trunk/cargo area: Protect from extreme temperatures and moisture
• Avoid direct sunlight: Operating temp -40°C to +70°C (within spec)
• Secure mounting: Use included hardware; vibration resistance critical

Electrical System Requirements

• Operating voltage: 11V-16V (DC power supply)
• Start-Stop compatible: EPS (Engine Power Save) ready
• Fuse rating: 10A (included, use quality blade fuse)
• Ground connection: Direct chassis ground (minimize noise floor)
• Remote turn-on: Output provided (500mA max for amp control)

Input Connection Strategy

• OEM integration: Use 16 high-level inputs (no LOC needed)
• Aftermarket head unit: RCA inputs (2-channel stereo)
• Digital source: Optical/Coaxial (192/24) for lossless
• USB-DAC: Direct computer connection (192/32) for audiophile playback
• Bluetooth streaming: Built-in aptX HD (convenience source)

Tuning & Calibration

• Software: Windows PC (32-bit, Windows 7+), WiFi included
• RTA measurement: Use calibrated mic + REW or AudioTools
• Time alignment: Measure distances; use 0.005ms steps for precision
• Crossover tuning: Start conservative (80Hz/3.5kHz), refine by ear
• EQ adjustment: Target flat response first, then musical preference

Reference-Grade DAC Technology

Dual ES9038Pro DACs (ESS Sabre32 Reference) deliver THD+N of 0.00018% and S/N >125dB, specifications that match $50,000+ professional studio converters. This is the same chipset used in high-end Chord, dCS, and Mytek DACs.

Ultra-Precision Time Alignment

0.005ms delay adjustment (vs. 0.02ms standard) provides 4x finer control than competing processors. This microsecond-level precision is the difference between "excellent imaging" and "holographic soundstage."

16 Independent Processing Channels

Full 31-band EQ, crossover, time alignment, and polarity control per channel. Enabling complex system architectures like active 3-way fronts + rear fill + multiple subs + center channel.

Superior Value vs. Competitors

At $5,999, costs $500 less than Brax DSP (12ch) while offering 4 more channels, and justifies its premium over Zapco HDSP-Z16 V with dual ES9038Pro standard, superior S/N, and ultra-precision delay.

Dual ES9038Pro DAC Technology Explained

The ESS Sabre32 Reference ES9038Pro is the flagship DAC chip from ESS Technology. Widely regarded as the industry's reference standard for professional mastering studios and ultra-high-end consumer audio equipment. Each DSP16 Ultra includes two ES9038Pro chips, enabling:

• 32-bit/768kHz processing: Far exceeds CD quality (16/44.1) and high-res audio (24/192), ensuring mathematical precision in digital-to-analog conversion.
• 7 selectable filter modes: Brick wall, apodizing, linear phase, minimum phase, each filter subtly shapes transient response and frequency roll-off characteristics, allowing users to tailor sonic signature to personal preference or system acoustics.
• THD+N of 0.00018%: Total harmonic distortion + noise below 0.0002%. This is inaudible distortion, approaching the theoretical limits of human hearing resolution.
• Dynamic range >125dB: The difference between the quietest and loudest sounds exceeds human hearing range (~120dB), ensuring pristine reproduction of both delicate pianissimos and thunderous crescendos.
• Professional studio pedigree: The ES9038Pro is found in converters from Chord Electronics (DAVE DAC, $13,000), dCS (Rossini, $28,000), and Mytek (Manhattan II, $6,000), making the DSP16 Ultra a reference-grade bargain.

Femtosecond Clock System (Ultra-Low Jitter)

Digital audio quality isn't just about bit depth and sampling rate: clock jitter (timing instability) introduces audible distortion that degrades soundstage precision and tonal accuracy. The DSP16 Ultra employs a high-precision femtosecond clock oscillator:

• Jitter specification: <1 picosecond (ps): A femtosecond is one quadrillionth of a second (10⁻¹⁵). This clock stability ensures that each digital sample is converted to analog voltage at precisely the correct moment.
• Audible impact: Reduced jitter improves soundstage depth, image focus, and high-frequency clarity. Listeners describe the difference as "blacker backgrounds" and "holographic imaging."
• Comparison: Standard car audio DSPs typically use ~10-50ps jitter clocks. The DSP16 Ultra's <1ps jitter represents a 10-50x improvement in timing accuracy.
• Why it matters for car audio: Automotive electrical environments are electrically noisy (alternator whine, ignition noise). A precision clock resists these interference sources, maintaining signal purity.

SKYATOM Surround System Technology

SKYATOM (Goldhorn's proprietary spatial audio algorithm) creates a 360° immersive soundstage that addresses the fundamental challenge of car audio: asymmetric listening positions. Unlike home audio (where speakers are equidistant from the listener), car audio requires sophisticated DSP algorithms to create a convincing center image and spatial depth.

How SKYATOM Works:

• Psychoacoustic modeling: Analyzes stereo content to extract spatial cues (inter-channel time differences, level differences, phase relationships).
• Dynamic center extraction: Creates a phantom center channel without traditional summing (which collapses soundstage width). Vocals and lead instruments appear anchored at windshield center.
• Surround synthesis: Injects ambient/reverb content into rear channels, creating front-to-back depth and envelopment without sacrificing front-stage focus.
• Multi-passenger optimization: Unlike traditional DSP tuning (optimized for driver only), SKYATOM creates a wider "sweet spot" where both driver and front passenger experience convincing imaging.

Competition advantage: Judges in sound quality competitions (EMMA, IASCA) evaluate staging width, depth, height, and focus. SKYATOM provides the spatial realism required to score highly in these categories.

Triple ADAU1463 DSP Core Architecture

The DSP16 Ultra's computational heart consists of three ADAU1463 DSP chips from Analog Devices (formerly SigmaDSP), the gold standard for professional audio signal processing. This triple-core architecture delivers:

• 16 independent processing paths: Each output channel has its own dedicated DSP resources (crossover filters, parametric EQ, time delay, dynamic processing). No compromises or channel-pairing required.
• 32-bit floating-point precision: Calculations use 32-bit floating-point math (vs. 24-bit fixed-point in budget DSPs), providing ~140dB of computational headroom, preventing digital clipping even during extreme EQ/crossover adjustments.
• 192kHz processing rate: All DSP operations occur at 192kHz sampling rate, ensuring that crossover phase response and time-domain accuracy remain pristine across the entire audio bandwidth (20Hz-20kHz).
• Low-latency processing: Combined DSP latency <5ms (inaudible). No lip-sync issues when integrating with video displays.
• Headroom for future updates: The triple-core architecture provides computational overhead for future firmware enhancements (additional filter types, new algorithms) without hardware obsolescence.

Input Mixer & Advanced Signal Routing

The DSP16 Ultra includes a sophisticated input mixing matrix that enables complex source routing scenarios:

• Multi-source blending: Combine multiple inputs simultaneously (e.g., OEM head unit + Bluetooth + AUX). Useful for navigation prompts overlaid on music playback.
• Automatic source switching: Priority-based input selection, when navigation speaks, music ducks automatically; when call ends, music resumes.
• Per-channel input assignment: Route different sources to different output zones (front cabin plays music, rear cabin plays movies).
• Navigation mode: