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Ground Zero GZPA 4SQ 4-Channel Amplifier
SKU:  GROU0102
EAN:  4037072019360
350 Watt

GZPA 4SQ

SKU:  GROU0102
EAN:  4037072019360

Technical Highlights

  • Power: 4 x 125 WRMS at 4 Ohm, 4 x 225 WRMS at 2 Ohm.
  • Variable active crossover, bypass function, MOSFET technology.
  • Frequency response: 10 Hz – 50 kHz, dimensions: 222 x 420 x 60.5 mm.
  • More technical details
00 d
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€1.265,92
-13% €1.449,00 €1.265,92
5% discount with credit card
inkl. VAT , possibly plus shipping
Delivery
Jun 5, - Jun 8,
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Black rectangular Audiocontrol EPIC4000 Class D car audio amplifier with brand logos on the front panel, viewed from above on a white background.
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The Ground Zero GZPA 4SQ, a silver and black 4-channel amplifier with multiple input/output ports, is shown beside the German Design Award Winner 2020 logo.
€1.265,92
€1.449,00 €1.265,92

GZPA 4SQ by Ground Zero

The GZPA 4SQ is a 4-Channel Amplifier from Ground Zero in High-End SQ Class AB. It features MOSFET technology, a variable active crossover with bypass function, and a variable BIAS setting. The output power is 4 x 125 WRMS at 4 Ohms, 4 x 225 WRMS at 2 Ohms, and 4 x 350 WRMS at 1 Ohm. The frequency response ranges from 10 Hz to 50 kHz. An efficient heat sink with illuminated Ground Zero lettering is included. The dimensions are 222 x 420 x 60.5 mm. Additional features include high-quality component quality and solid connections. Suitable for High Resolution Audio.

Features
  • 4-Channel Amplifier
  • High-End SQ Class AB
  • MOSFET technology
  • Variable active crossover with bypass function
  • Variable BIAS setting
  • High-quality component quality
  • Solid connections
  • Efficient heat sink with illuminated Ground Zero lettering
  • Suitable for High Resolution Audio
Technical Specifications
  • Channels: 4
  • Amplifier Class: Class AB
  • 4 x 125 WRMS at 4 Ohms
  • 4 x 225 WRMS at 2 Ohms
  • 4 x 350 WRMS at 1 Ohm
  • Frequency response: 10 Hz – 50 kHz
  • Dimensions (W x L x H): 222 x 420 x 60.5 mm

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Frequently Asked Questions about GZPA 4SQ

How much power does the Ground Zero GZPA 4SQ Amplifier provide?

The Ground Zero GZPA 4SQ is a high-end 4-Channel Amplifier with impressive power. It delivers 4 x 125 WRMS at 4 Ohms, 4 x 225 WRMS at 2 Ohms, and an impressive 4 x 350 WRMS at 1 Ohm. These power specifications make it ideal for demanding applications and provide a solid foundation for high-resolution audio experiences. The power levels are a testament to its MOSFET technology and high-quality components, ensuring consistently high performance. If you value sound fidelity and power, you will appreciate the capabilities of this amplifier.

What makes the MOSFET technology in the GZPA 4SQ Amplifier special?

The MOSFET technology in the GZPA 4SQ from Ground Zero is characterized by high efficiency and excellent sound quality. MOSFETs (Metal-Oxide-Semiconductor Field-Effect Transistors) offer a fast response time and high flexibility in power transfer. This results in a clear and detailed sound image, which is particularly noticeable in high-resolution audio. Through this technology, the amplifier achieves an optimal balance between power and precision, allowing your music to be reproduced authentically and vividly. MOSFETs are also known for their durability and stability, ensuring long-lasting and reliable performance.

How does the variable active crossover with bypass function work?

The variable active crossover in the GZPA 4SQ allows you to flexibly adjust the frequency ranges, optimizing the sound reproduction for your speakers. With the bypass function, you can completely bypass the crossover, which is particularly useful for advanced audio applications or when using external crossovers. This functionality allows you to fully exploit the sound potential of your speakers. By finely tuning the frequencies, you achieve an optimal sound balance while reducing distortion. The active crossover thus offers a high degree of flexibility and control for different audio setups.

Why is the BIAS setting in the amplifier important?

The variable BIAS setting in the Ground Zero GZPA 4SQ plays a crucial role in the sound quality of the amplifier. By adjusting the quiescent current, you can influence the amplification characteristics, which has a direct effect on the sound. A higher BIAS setting leads to a warmer sound, but at the cost of increased heat generation. However, the efficient, illuminated heat sink helps to effectively dissipate the generated heat. This way, you can customize the amplifier to your acoustic preferences without compromising reliability.

What are the dimensions of the Ground Zero GZPA 4SQ?

The GZPA 4SQ has compact dimensions that make it easy to place in various vehicle types. Its measurements are 222 mm in width, 420 mm in length, and 60.5 mm in height. This size allows for flexible installation in the vehicle without taking up too much space. Especially in conjunction with the efficient heat sink, which ensures effective heat dissipation, it provides optimal conditions for integration into your audio system. When installing, it is important to ensure that there is sufficient space for heat dissipation.

Is the GZPA 4SQ suitable for High Resolution Audio?

Yes, the Ground Zero GZPA 4SQ is optimally designed for High Resolution Audio. Its frequency response of 10 Hz to 50 kHz allows for detailed and precise reproduction of even the highest audio details. The quality of the components used and the MOSFET technology significantly contribute to the accurate reproduction of even the finest sound nuances. High Resolution Audio requires precise signal fidelity and dynamics, which the GZPA 4SQ excellently meets through its technical specifications and design. This provides an exceptional listening experience for discerning listeners.

What technical features distinguish the Ground Zero GZPA 4SQ?

The high-end amplifier GZPA 4SQ from Ground Zero impresses with innovative technical features such as a variable active crossover with bypass function, an adjustable BIAS setting, and an efficient heat sink. Its MOSFET technology allows for high power outputs of up to 350 WRMS per channel at 1 ohm. As a Class AB amplifier, it offers an excellent frequency response of 10 Hz to 50 kHz, and high-quality components ensure lasting performance. This combination of advanced features and solid construction makes it the ideal choice for ambitious audio installations.

How do you install the GZPA 4SQ in the vehicle?

Installing the Ground Zero GZPA 4SQ in the vehicle requires consideration of its physical dimensions and the layout of the vehicle. With a width of 222 mm, a length of 420 mm, and a height of 60.5 mm, the amplifier can be space-efficiently accommodated in most vehicles. Ensure there is enough space for heat dissipation from the heatsink to avoid overheating. A stable mounting is recommended to minimize vibrations while ensuring a proper electrical connection.

Can the GZPA 4SQ be compatible with different car brands?

The Ground Zero GZPA 4SQ is compatible with numerous car brands and models due to its universal dimensions and electrical specifications. The adaptability of its dimensions of 222 x 420 x 60.5 mm allows for integration into various vehicles without significantly affecting the space conditions. Ensure that adequate ventilation is guaranteed to maintain the effectiveness of the cooling system. Compatibility regarding electrical connections should be checked, but it is generally unproblematic with most standard connections.

What are the advantages of the illuminated heatsinks in the GZPA 4SQ?

The illuminated heatsinks of the GZPA 4SQ offer both functional and aesthetic advantages. Functionally, they improve heat dissipation, which is crucial for longevity and consistent performance. The illuminated surface helps keep the amplifier's temperature in the optimal range even during long listening sessions. Additionally, the illuminated Ground Zero logo gives the amplifier an attractive design, which is particularly noticeable when opening the trunk or during installations with a view of the amplifier. Optimally designed to combine lasting performance and aesthetics.

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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Very good experience purchasing several car audio installation products through Masori: Zeus AluButyl 140dB, the Montagehebelset Keile 3-piece soft trim removal tool set, and the 10–100 mm² M8 ring terminal set.

Shipping was fast and everything arrived well packaged with no issues. Regarding the products, the AluButyl provides very good sound deadening performance, with solid material that is easy to work with, ideal for doors and areas where vibration reduction is required.

The trim removal tool set is very useful for disassembling interior panels without damaging plastics or clips, especially in delicate areas, while the M8 ring terminals are of very good quality, offering solid contact and a robust finish, ideal for safe and professional power installations.

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Very good experience purchasing several car audio installation products through Masori: Zeus AluButyl 140dB, the Montagehebelset Keile 3-piece soft trim removal tool set, and the 10–100 mm² M8 ring terminal set.

Shipping was fast and everything arrived well packaged with no issues. Regarding the products, the AluButyl provides very good sound deadening performance, with solid material that is easy to work with, ideal for doors and areas where vibration reduction is required.

The trim removal tool set is very useful for disassembling interior panels without damaging plastics or clips, especially in delicate areas, while the M8 ring terminals are of very good quality, offering solid contact and a robust finish, ideal for safe and professional power installations.

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Shipping was fast and everything arrived well packaged with no issues. Regarding the products, the AluButyl provides very good sound deadening performance, with solid material that is easy to work with, ideal for doors and areas where vibration reduction is required.

The trim removal tool set is very useful for disassembling interior panels without damaging plastics or clips, especially in delicate areas, while the M8 ring terminals are of very good quality, offering solid contact and a robust finish, ideal for safe and professional power installations.

Overall, very satisfied with the purchase. High-quality materials suitable for professional-level car audio builds or well-finished personal projects, and a highly recommended store.

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