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DSP AMPLIFIER
GZDSP 4.80A-PRO
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4-channel amplifier with integrated 8-channel signal processor (DSP)
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High-efficient 2 Ohm stable class D amplifier
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5-channel line input (RCA) / 4-channel line output (RCA)
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6-channel high-level input with smart diagnosis-detection
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Auto-on function / Soft delayed remote turn-on
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AUX input (3.5 mm socket)
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Optical digital input (sampling rate up to 24-bit/192kHz)
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Coaxial digital input (sampling rate up to 24-bit/192kHz)
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Suitable for start-stop equipped vehicles
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8-channel digital signal processor (DSP) - Cirrus Logic 32-bit/192 kHz single core chipset
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Simple handling user interface (Windows
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Realtime setup of all functions (via PC)
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Channel separated parametric equalizer (6x 31 band / 2x 11band)
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Channel separated time alignment (0-15 ms / 0-510 cm)
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Adjustable crossover (HPF / LPF / BPF) in the range of 20 Hz to 20 kHz
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Selectable crossover slope (6 to 48 dB/Oct)
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Selectable phase shift for each channel (0˚ or 180°)
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Memory for 10 user presets (selectable with optional remote control)
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Optional wireless interface for music streaming available
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LED power and status indicator (protection circuit)
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High temperature / short circuit / overload protection circuit)
Owner´s manual
Features
®
compatible)
DSP SERIES
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Summary of Contents for Ground Zero GZDSP 4.80A-PRO
- Page 1 DSP AMPLIFIER GZDSP 4.80A-PRO Owner´s manual Features • 4-channel amplifier with integrated 8-channel signal processor (DSP) • High-efficient 2 Ohm stable class D amplifier • 5-channel line input (RCA) / 4-channel line output (RCA) • 6-channel high-level input with smart diagnosis-detection •...
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Page 2: Table Of Contents
GROUND ZERO GZDSP 4.80A-PRO Product description The GZDSP 4.80A-PRO is a 4-channel amplifier with integrated digital signal processor increasing the sound quality of the vehicle´s audio equipment. Based on the 32-bit DSP processor in combination with a 24-bit AD and DA converter. Due to its audio summing function combining 6 high-level channels and 31-band equalizing on each channel (11-bands on the subwoofer channels), the GZDSP 4.80A-PRO... -
Page 3: General Mounting Instructions
Some amplifiers offer a high-level input option, however if a pre-amplified output (RCA) is available (at the head unit), it is strongly recommended to make use of them. GROUND ZERO products are engineered in Germany GROUND ZERO - international sponsor of... -
Page 4: Technical Specifications
GROUND ZERO GZDSP 4.80A-PRO GZDSP 4.80A-PRO Technical Specifications Model GZDSP 4.80A-PRO Type 4-channel amplifier with integrated signal processor (DSP) Frequency range 20 Hz – 20 KHz (-3 dB) RMS Power @ 4 Ω 4 x 80 W (1% THD+N) CEA Standard CEA-2006-A RMS Power @ 2 Ω... -
Page 5: Audio Connections (Intput)
GROUND ZERO GZDSP 4.80A-PRO Recommended wiring GZDSP 4.80A-PRO Speaker wire min 1.5 mm² / 15 AWG Power supply wire min 20.0 mm² / 4 AWG High-level input wire min 1.00 mm² / 18 AW Remote wire min 0.75 mm² / 20 AW Audio connections (input) To connect a digital audio source. -
Page 6: Audio Connections (Output) / High-Level Input Harness
GROUND ZERO GZDSP 4.80A-PRO Audio connections (output) ground terminal Power Supply Terminal remote wire (to be used as remote output when using the high-level input) +12V positive terminal of the battery Speaker Terminal To connect the speaker wires of the according channels... -
Page 7: Pc Software Installation
Please confirm with >Yes< (language depends on your local setting) to run the program. Setup note: The first time the GZDSP 4.80A-PRO is turned on and the software is started there is no audio signal on the output channels (RCA) available unless the channels are activated in the software. -
Page 8: Graphical Software User Interface (Gui)
GROUND ZERO GZDSP 4.80A-PRO Graphical software user interface (GUI) MAIN - RCA input or high-level input - 3.5 mm socket - Coaxial input - Optionally available interface for wireless music streaming Source selection SPDIF - Optical input Level adjustment (-40 dB up to +12 dB) Attention! Set up the level carefully to avoid any kind of damage to the loudspeakers. -
Page 9: Time Alignment Setting
GROUND ZERO GZDSP 4.80A-PRO Select: Click to highlight the channels creating a group for common adjustments. Gain: Level adjustment using the arrows up to required value (max=0) Gain setting Delay(ms): Time alignment for each channel using the arrows. The value can be Time alignment edited directly, as well. -
Page 10: Dropdown Menu / Memory Options
(PC is currently disconnected) the connection between the PC and the GZDSP 4.80A-PRO will be disconnected or established accordingly. After unintended detaching of the USB wire or turning off the unit you may proceed to change the adjustments this way. -
Page 11: Error Diagnosis
-use the optical output (if available) -let the audio store or manufacturer check the head-unit -the head unit, GZDSP 4.80A-PRO and each further amplifier diverse power supplies or ground connection should be wired up to a common ground as well as +12 Volt... -
Page 12: Terms Of Warranty
GROUND ZERO GZDSP 4.80A-PRO Terms of warranty The limited warranty for this product is covered by Ground Zero´s local distribution partners and their terms and conditions. For further information contact your local retailer or distributor. Ground Zero GmbH Erlenweg 25, 85658 Egmating, Germany Tel.
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