3. Ground Zero Audio
  5. Iridium GZIA 135.4

Iridium GZIA 135.4

3 reviews

140 Watt

Iridium GZIA 135.4

3 reviews

Technical Highlights

  • 4-channel amplifier, 4x140W RMS, Class AB.
  • Active crossover, bass boost, stable power supply, generous connections.
  • Black anodized heatsink, auto-on function, remote control included.
  • More technical details
€126.75
-25% €169.00 €126.75
2% discount with credit card

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ProductIridium GZIA 135.4

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Ground Zero-Iridium GZIA 135.4-4-Kanal Verstärker-masori-kaufen
€126.75
€169.00 €126.75

The Iridium GZIA 135.4 is a 4-Channel Amplifier from Ground Zero with Class A/B technology. It features a variable active crossover and bass boost, as well as a stable power supply and generously sized connections. A black anodized heat sink with the Ground Zero logo is present. The high-level input with auto-on function is integrated, and a remote control is included. The output power is 4 x 100 watts RMS at 4 Ω, 4 x 140 watts RMS at 2 Ω, and bridged 2 x 280 watts RMS. The frequency response ranges from 8 Hz to 28 kHz. The dimensions are 168 x 49 x 278 mm.

Features
  • 4-Channel Amplifier
  • Class A/B technology
  • Variable active crossover
  • Bass boost
  • Stable power supply
  • Generously sized connections
  • Black anodized heat sink with Ground Zero logo
  • High-level input with auto-on function
  • Remote control included
Technical Specifications
  • Channels: 4
  • Output power: 4 x 100 watts RMS at 4 Ω
  • Output power: 4 x 140 watts RMS at 2 Ω
  • Bridged output power: 2 x 280 watts RMS at 4 Ω
  • Frequency response: 8 Hz to 28 kHz
  • Dimensions (W x L x H): 168 x 49 x 278 mm

Frequently Asked Questions about Iridium GZIA 135.4

What distinguishes the Iridium GZIA 135.4 as a 4-Channel Amplifier?

The Iridium GZIA 135.4 is a 4-Channel Power Amplifier that features Class AB technology. This technology provides high output power with excellent sound quality. Specifically, the amplifier delivers up to 4x 100 Watts RMS at an impedance of 4 Ohms, and even 4x 140 Watts RMS at 2 Ohms. If needed, you can also operate it in bridged mode to achieve up to 2x 280 Watts RMS. The frequency response of 8 Hz to 28 kHz ensures that both low and high frequencies are covered.

What functions does the variable active crossover of the Iridium GZIA 135.4 offer?

The variable active crossover of the Iridium GZIA 135.4 from Ground Zero is an important feature that allows you to precisely control the frequencies. This function enables you to tailor the amplifier to your specific needs by adjusting the transition between high, low, and mid frequencies according to your speaker configuration. Additionally, there is a bass boost that allows you to enhance bass reproduction, creating a powerful sound experience. With the active crossover, you can specifically control which frequencies are sent to the speakers.

How does the stable power supply affect the performance of the Iridium GZIA 135.4?

The stable power supply of the Iridium GZIA 135.4 is essential for its consistent power output. A stable power supply ensures that the amplifier operates efficiently even at high volumes and can deliver output power without distortion. Especially at 2 Ohms, where the amplifier delivers 4x 140 Watts RMS, a reliable voltage supply is crucial. The stable energy supply prevents interruptions and maintains sound quality even during intense music use. Therefore, the power supply is an important guarantee for consistent performance.

What advantages does the high-level input with auto-on function offer in the Iridium GZIA 135.4?

The high-level input of the Iridium GZIA 135.4 is ideal, especially when you want to connect it to an original car radio without a preamp output. Thanks to the Auto-On feature, the amplifier automatically detects when a signal is present and turns on. This is particularly convenient, as you don't have to intervene manually. The high-level input also allows for easy installation without additional adapters, making integration into existing systems straightforward, even if the vehicle is still equipped with factory speakers.

How do I charge the remote control of the Iridium GZIA 135.4?

The remote control for the Iridium GZIA 135.4 makes it easy to control the amplifier directly from your seat. With it, you can conveniently adjust important parameters like volume, balance, fader, and other settings. However, the exact charging process for the remote control is not specified in the product description. Usually, a battery is required for power, which needs to be replaced when necessary. This feature is ideal for those who want flexible sound control without being physically close to the amplifier itself.

What are the dimensions of the Iridium GZIA 135.4 and what does that mean for installation?

The Iridium GZIA 135.4 has compact dimensions of 168 x 49 x 278 mm, making it flexible for installation in different vehicle types. When installing, you need to ensure that you leave enough space for ventilation so that the heat sink can operate efficiently. The dimensions allow for discreet placement in the trunk or under a seat, but keep in mind the heat dissipation. It is also important to mount the connections in an easily accessible way to connect cables easily and make any necessary adjustments.

What role does the black anodized heat sink play in the Iridium GZIA 135.4?

The black anodized heat sink of the Iridium GZIA 135.4 is not only a design feature with the Ground Zero logo but also crucial for the thermal performance of the amplifier. It ensures that the heat generated during operation is effectively dissipated, which increases the stability and lifespan of the amplifier. The anodization also protects against corrosion and gives the device an appealing, robust appearance. Especially during longer listening sessions, efficient cooling is important to protect the amplifier from overheating.

How do the generously sized connections affect the usability of the Iridium GZIA 135.4?

Generously sized connections significantly facilitate the installation and operation of the Iridium GZIA 135.4. They not only allow for easy connection with larger gauge speaker cables but also provide secure hold and minimal resistance at the connection points. These connections significantly support signal stability and reduce losses. The easy access and clear markings greatly simplify the connection process, which is particularly advantageous when installations need to be done regularly or in tight spaces.

To what extent is the frequency response of 8 Hz to 28 kHz of the Iridium GZIA 135.4 relevant?

The extended frequency response of the Iridium GZIA 135.4, ranging from 8 Hz to 28 kHz, offers a wide acoustic spectrum that covers both deep bass and clear highs. This allows the amplifier to reproduce a detailed sound that closely resembles the original tone. This range is particularly relevant for music enthusiasts who have high demands for sound fidelity. Low frequencies below 20 Hz are perceptible, giving depth to the bass, while frequencies above 20 kHz ensure a brilliant and vibrant sound image.

How does the Class AB technology of the Iridium GZIA 135.4 support audio performance?

The Iridium GZIA 135.4 from Ground Zero utilizes Class AB technology to provide an excellent combination of efficiency and sound quality. This technology reduces distortion and combines the advantages of Class A and Class B by amplifying audio signals with low distortion while maintaining high efficiency. The result is an amplifier that delivers clear, uncolored audio signals while efficiently managing the supplied power. This technology is essential for music lovers who demand the highest standards in sound reproduction.

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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