3. Amplifier for beginners
  5. GZCS A-4.80

GZCS A-4.80

80 Watt

GZCS A-4.80

Technical Highlights

  • 4-Channel Amplifier, 4x 60/80 Watt RMS, Class D technology.
  • Variable active crossover, 2 Ohm stable, bridge operation possible.
  • Compact heat sink, high-level input, auto-on function.
  • More technical details
€194.65
-15% €229.00 €194.65
2% discount with credit card

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ProductGZCS A-4.80

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Estimated delivery: Sep 17–Sep 18.
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datasheet
A black Ground Zero GZCS A-4.80 4-channel amplifier with ribbed sides, shown at an angle highlighting its input and output ports.
€194.65
€229.00 €194.65

GZCS A-4.80 is a 4-Channel Amplifier from Ground Zero with Class D technology and a variable active crossover. The design utilizes SMD technology and a stabilized Power Supply. The amplifier is stable at 2 Ohms in stereo operation and supports bridged operation for Subwoofers. A high-level input with an auto-on function is integrated. The housing features a compact heat sink with an engraved Ground Zero logo. The dimensions are 82 x 151 x 40 mm, with generously sized connections. The output power is 4 x 60 Watts RMS at 4 Ohms and 4 x 80 Watts RMS at 2 Ohms. In bridged mode, it delivers 2 x 160 Watts RMS at 4 Ohms, with the maximum output power according to CEA-2006A at 10% THD+N being 2 x 200 Watts. The frequency response ranges from 10 Hz to 35 kHz, with HPF and LPF available.

Features
  • 4-Channel Amplifier
  • Class D technology
  • Variable active crossover
  • Components in SMD technology
  • Stable at 2 Ohms in stereo operation
  • Bridged operation for Subwoofers
  • High-level input with auto-on function
  • Stabilized Power Supply
  • Generously sized connections
  • Compact heat sink with engraved Ground Zero logo
  • ISO cable set available as an accessory
Technical Data
  • Output power at 4 Ohms: 4 x 60 Watts RMS
  • Output power at 2 Ohms: 4 x 80 Watts RMS
  • Bridged output power at 4 Ohms: 2 x 160 Watts RMS
  • Maximum output power (CEA-2006A, 10% THD+N): 2 x 200 Watts
  • Frequency response: 10 Hz – 35 kHz
  • HPF / LPF filters
  • Dimensions (W x L x H): 82 x 151 x 40 mm

Frequently Asked Questions about GZCS A-4.80

What power does the GZCS A-4.80 provide at different ohm values?

The Ground Zero GZCS A-4.80 delivers an RMS output power of 4x 60 watts at 4 ohms and a maximum output power in bridged mode of 2x 160 watts. At 2 ohms, the RMS output power increases to 4x 80 watts. These power specifications highlight the versatility and strength of the compact amplifier. Additionally, the GZCS A-4.80 impresses with a maximum power of 2x 200 watts according to CEA-2006A standards with a distortion factor of 10% THD+N. Output powers are optimized for both high and low levels, allowing the amplifier a wide range of applications.

What is special about the Class D technology in the GZCS A-4.80?

The Class D technology of the GZCS A-4.80 from Ground Zero is characterized by high efficiency and minimal power loss. This circuit technology allows for a compact design combined with low heat generation. Especially for use in cars, this means that less cooling is necessary, which is advantageous in small installation spaces. With lower power consumption and high output, the GZCS A-4.80 stands out from other amplifiers. The Class D technology also contributes to a long lifespan, as components are less stressed.

How does the variable active crossover affect the audio performance of the GZCS A-4.80?

The variable active crossover of the GZCS A-4.80 allows for precise adjustment of the frequency range. Users can flexibly set high-pass and low-pass filters to customize the sound. Especially in more complex sound systems, the active crossover improves the transitions between speakers and the Subwoofer. Frequency responses from 10 Hz to 35 kHz can be adjusted as desired. Thus, the active crossover enables targeted optimization of the sound image without separate devices, which also simplifies and optimizes the wiring.

What are the dimensions of the GZCS A-4.80 and how do they affect installation?

The GZCS A-4.80 measures a compact 82 x 151 x 40 mm. This miniature format allows for easy integration even in tight vehicle spaces. Its compact heat sink with the engraved Ground Zero logo supports heat dissipation despite the reduced size. For a successful installation, the use of an ISO wiring harness is recommended. Due to its versatile dimensions, the GZCS A-4.80 is suitable for many installation locations, making it the ideal amplifier for custom sound systems in combination with its high technical standards.

How stable is the GZCS A-4.80 in stereo operation?

The GZCS A-4.80 from Ground Zero is 2 Ohm stable in stereo operation, allowing for excellent adaptation to various speaker types. The stability at 2 Ohm ensures that a constant and powerful output is achieved at low resistance. This stereo amplifier offers improved performance with high dynamics and intensity of the sound image, especially for powerful speakers. Stability is crucial for clear sound without distortion at high volumes. Such features make the GZCS A-4.80 perfect for sound enthusiasts and discerning listeners.

Is the GZCS A-4.80 compatible with all vehicle models?

With its compact dimensions of 82 x 151 x 40 mm, the GZCS A-4.80 is suitable for installation in numerous vehicle models. Due to its small footprint, the amplifier can be integrated into almost any vehicle type, provided there is enough space for wiring and air circulation for heat dissipation. Note that in some vehicles, adjustments to existing housing installations may be necessary. However, due to its universal format, the installation remains relatively simple and straightforward, even without specialized tools.

What role does SMD technology play in the GZCS A-4.80?

The SMD technology (Surface-Mount Device) in the GZCS A-4.80 enables a compact design and increases thermal efficiency. This technology allows for the placement of components directly on the surface of the circuit board, which not only saves space but also improves electrical performance. This results in shorter signal paths, leading to lower inductance and thus better sound quality. Additionally, the reliability and robustness of the circuit are enhanced, as SMD technology is less susceptible to mechanical stress.

To what extent is the GZCS A-4.80 suitable for Subwoofers in bridged operation?

The Ground Zero GZCS A-4.80 delivers a maximum output power of 2x 160 Watts RMS in bridged operation at 4 Ohms. This makes it ideally suited for use with Subwoofers, as the bridged power provides strong, rich bass. By combining it with a Subwoofer, the GZCS A-4.80 significantly enhances the sound experience. Particularly impressive is the variable active crossover, which precisely regulates the frequency response for the Subwoofer. These features support the optimization of the bass range and provide a powerful, distortion-free sound image.

How does the high-level input of the GZCS A-4.80 support installation?

The high-level input of the GZCS A-4.80 greatly simplifies installation, as it can directly receive signals from factory car radios without requiring additional converters. This connection option increases flexibility when integrating into existing audio systems. In conjunction with the auto-on function, which automatically activates the device upon signal reception, the high-level input ensures seamless usage. This presents a significant advantage, especially for vehicles equipped with factory radios – both in installation and daily use.

What frequency response options does the GZCS A-4.80 offer?

The frequency response of the GZCS A-4.80 ranges from 10 Hz to 35 kHz, covering an extremely wide spectrum. This bandwidth allows for the reproduction of deep bass frequencies up to crystal-clear highs and guarantees a detailed sound image. The integrated variable active crossover allows you to emphasize or attenuate specific frequency ranges as needed. With this flexibility, you can optimize the audio output according to your preferences and tailored to the respective music style. This amplifier is particularly well-suited for creating a detailed soundscape.

Manufacturer information/responsible person

Ground Zero GmbH
Erlenweg 25
85658 Egmating, Germany

Tel +49 (0)8095 873 830

E-Mail: info@ground-zero-audio.com

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