Ground Zero DSP Series User Manual

DSP-SERIES
AMPLIFIER
MANUAL
GZDSP 4.60ISO
Feature list
• 4-channel ISO Plug & Play amplifier with integrated signal processor (DSP)
• For vehicles with ISO connectors (without active OEM sound system)
• 4-channel high-level input (via ISO harness with auto-on function)
• 4-channel line output (RCA)
• AUX input (RCA)
• TOSLINK input (sampling rate up to 24-bit/96kHz)
• Plug for optional wireless interface (for music streaming)
• 8-channel signal processor (DSP) - Cirrus Logic single core 32-bit/192 kHz
• Realtime setup of all functions (via PC)
• Simple handling one-page graphical user interface (Windows compatible)
• Channel separated parametric equalizer (6x 31 band / 2x 11band)
• Channel separated time alignment (0-15 ms / 0-510 cm)
• Adjustable crossover (HPF / LPF / BPF) in the range of 20 Hz to 20 kHz
• Selectable crossover slope (6 to 48 dB/Oct)
• Selectable phase shift for each channel (0˚ or 180°)
• Memory for 10 user presets (selectable with optional remote control)
• Two optional remote control available (one with LED display or one with LCD color display
with touch screen to adjust main and subwoofer level, select one of the presets and the input
mode
• Power and status indicator (protection circuit)
• High temperature / short circuit / overload protection circuit)

Ground Zero DSP Series Specifications

General

Brand	Ground Zero
Model	DSP Series
Category	Computer Hardware
Language	English

Summary

Feature List

Package Contents

Installation Tools and Parts

Safety and Warnings

Important safety notes, warnings, and cautions regarding installation and operation.

Mounting and Positioning

Guidance on selecting a suitable location and mounting the unit securely.

Audio Connections

LINE OUT Socket

Connects to the included 4-channel RCA line out harness for further amplifiers.

MAIN INPUT socket

Connects the included ISO harness for power, high-level input, and speaker output.

POW & PRT status indicator

Indicates amplifier operation mode and protection circuit status.

REMOTE socket

Connects to optional remote-control units like GZDSP Remote or Touch-Remote.

OPTICAL INPUT socket (TOSLINK)

Connects a digital audio source using the optical signal (SPDIF).

PC CONNECT (MINI USB socket) and status indicator

Connects to a PC for audio settings adjustment via USB.

AUTO TURN ON switch

Selects the turn-on mode, either via audio signal or remote wire.

BT BOX socket

Connects to the wireless audio interface GZDSP BT-Box.

AUX INPUT socket (REM IN/OUT)

Connects an additional audio source via RCA and can control other amplifiers.

ISO Harness Connection

Vehicle Compatibility Notes

Important notes on active systems and ISO plug pinout variations for VAG group vehicles.

Current Requirement Notes

Power Supply Considerations

Guidance on head unit fuse rating and direct battery connection for high current draw.

PC Software Installation

Connecting DSP to PC via USB

Steps for connecting the DSP to a Windows PC using the included USB cable.

USB Port Selection

Troubleshooting COM Port Errors

Software User Interface

SOURCE

Input selection and main volume control.

CH SETTING

Channel selection and linking for simultaneous adjustments.

CHANNEL MATRIX

Configuration of input-output assignments and speaker types.

GAIN & DELAY

Adjusting output level and time alignment for channels.

SPEAKER DISTANCE

Entering speaker distances for time alignment calculation.

SLOPE

Selecting crossover filter type and slope (dB/oct).

CROSSOVER

Adjusting the cutoff frequency for filters.

FREQUENCY DIAGRAM

Visual display of equalizer and crossover settings.

EQUALIZER

Adjusting the parametric 31-band equalizer settings.

Time Alignment Application Example

File Menu Operations

Preset Memory Management

Remote Setting and Subwoofer Selection

System Configuration Examples

Technical Specifications

Error Diagnosis and Troubleshooting

Warranty Information