Digital Processor
Digital Processor Model: HZS-DSP48

Digital Processor

Professional 4-in / 8-out digital audio processor with 96 kHz / 32-bit DSP engine. Parametric EQ, Linkwitz-Riley crossovers, delay, RMS/peak limiting and real-time PC control via RS-485 and USB. Designed for touring rigs and permanent installations.

OEM/ODM Customization

Logo Customization Panel Customization Circuit Design Configuration Customization Acoustic Tuning

5

Min. Order

3-5 business days

Sample Lead Time

7-14 business days

Bulk Lead Time

Custom firmware preloads available for OEM partners. Branding (logo, UI color) customization supported from MOQ 20 units. PC control software provided free of charge.

2-Year Warranty
Fast Lead Time
60+ Countries

The HZS Digital Processor is a professional-grade DSP unit engineered for precise loudspeaker management and system optimization. Featuring multi-channel I/O, parametric EQ, crossover, delay, dynamic limiting and real-time remote control via PC software, it delivers complete signal chain control for touring, installed sound and broadcast applications.

Built for demanding live and fixed-installation environments, the processor integrates seamlessly with HZS amplifier and speaker systems while remaining fully compatible with third-party hardware.

Amplifier Specifications

Channels
4 In / 8 Out
Output Power
N/A (Signal Processor)
Frequency Response
20 Hz - 20 kHz +/-0.5 dB
THD
< 0.002% @ 1 kHz, 0 dBu
Input Sensitivity
+4 dBu (balanced XLR)
Protection Features
Clip limiting per output channel DC offset protection Peak output limiter Soft-clip algorithm

Speaker Specifications

Driver Configuration
N/A (Signal Processor)
Frequency Response
20 Hz - 20 kHz +/-0.5 dB
Impedance
Input: 10 kOhm balanced | Output: 120 Ohm balanced
Sensitivity
N/A
Max SPL
N/A
Coverage Angle
N/A

Technical Data

Parameter Value
Model HZS-DSP48
Configuration 4 Input / 8 Output
DSP Engine 96 kHz / 32-bit floating point
A/D - D/A Conversion 24-bit, 96 kHz
Frequency Response 20 Hz - 20 kHz +/-0.5 dB
THD+N < 0.002% @ 1 kHz, 0 dBu
Dynamic Range > 112 dB (A-weighted)
Crosstalk < -100 dB @ 1 kHz
Input Impedance 10 kOhm balanced
Output Impedance 120 Ohm balanced
Max Input Level +20 dBu
Max Output Level +20 dBu
EQ per Channel 31-band GEQ + 8-band PEQ
Crossover Filters Butterworth, Bessel, Linkwitz-Riley (6-48 dB/oct)
Delay Up to 682 ms per channel (0.02 ms step)
Limiter RMS + Peak per output channel
Control Interface USB, RS-485 (daisy-chain up to 253 units)
Front Panel LCD display + rotary encoder + push buttons
Presets 30 user presets + factory defaults
Mains Voltage 100V - 240V AC, 50/60 Hz
Power Consumption 25W max
Rack Format 1U, 19" rackmount
Dimensions (W x H x D) 483 x 44 x 210 mm
Weight 2.2 kg

CE

Compliant with EU EMC and Low Voltage Directives.

FCC

FCC Part 15 Class B compliant for North American market.

RoHS

All components comply with RoHS 2 (EU 2011/65/EU) directive.

Coverage & Capacity

Up to 253 units daisy-chained via RS-485 for large-scale installations

Recommended Configuration

Connect stereo source to inputs 1-2. Route outputs 1-2 to high-frequency amplifier channels and outputs 3-4 to subwoofer amplifier channels. Use Linkwitz-Riley 24 dB/oct crossover at 80-120 Hz for full-range + sub configurations. Enable RMS limiter on all outputs to protect drivers.

System Components

  • HZS-DSP48 Unit ×1

    Main 4-in/8-out digital processor, 1U rackmount.

  • IEC Power Cable ×1

    Standard IEC C13 power cable included.

  • USB Control Cable ×1

    USB Type-A to Type-B cable for PC software connection.

  • PC Control Software ×1

    Windows-compatible DSP control software with preset management and real-time metering.

  • Quick Start Guide ×1

    Multilingual quick-start guide (EN, ES, FR, DE).

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