Technical Highlights

  • Output power 4 x 70 watts RMS at 4 ohms, 4 x 125 watts at 2 ohms.
  • Bridged operation 2 x 250 watts RMS, 2 x 500 watts MAX at 4 ohms.
  • Adjustable filters from 50 to 250 Hz, bass boost up to 12 dB.
  • More technical details
Regular price €84.00
Regular price -15% €99.00 selling price €84.00
2% discount with credit card

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ProductGPX1000.4

including VAT
Estimated delivery: Sep 17–Sep 22.
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datasheet
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The Crunch GPX1000.4 is a 4-Channel Amplifier with two high-pass filters and one low-pass filter, each adjustable from 50 to 250 Hz. An integrated bass boost offers 0, 6, or 12 dB. The output power is 4 x 70 Watts RMS at 4 Ohm and 4 x 125 Watts RMS at 2 Ohm. In bridged mode, 2 x 250 Watts RMS at 4 Ohm is specified. Maximum outputs: 4 x 140 Watts at 4 Ohm and 4 x 250 Watts at 2 Ohm as well as 2 x 500 Watts bridged at 4 Ohm. RCA inputs are available. The dimensions are 254 x 46 x 330 mm.

Features
  • 4-Channel Amplifier
  • 2 x High-pass filters 50–250 Hz
  • 1 x Low-pass filter 50–250 Hz
  • Bass Boost 0/6/12 dB
  • RCA inputs
Technical Specifications
  • 4 x 70 Watts RMS @ 4 Ohm
  • 4 x 125 Watts RMS @ 2 Ohm
  • 4 x 140 Watts MAX @ 4 Ohm
  • 4 x 250 Watts MAX @ 2 Ohm
  • 2 x 250 Watts RMS bridged @ 4 Ohm
  • 2 x 500 Watts MAX bridged @ 4 Ohm
  • Dimensions 254 x 46 x 330 mm

datasheet

Open data sheet

Frequently Asked Questions about GPX1000.4


How much power does the Crunch GPX1000.4 Amplifier deliver?

The Crunch GPX1000.4 Amplifier has impressive power. At an impedance of 4 Ohm, it delivers 4 x 70 Watts RMS. If you lower the impedance to 2 Ohm, the power increases to 4 x 125 Watts RMS. For maximum power output, the amplifier offers 4 x 140 Watts at 4 Ohm and 4 x 250 Watts at 2 Ohm. If you choose to operate in bridge mode, you can achieve 2 x 250 Watts RMS at 4 Ohm and a maximum of 2 x 500 Watts at the same impedance. These power specifications make it ideal for demanding audio systems.

What are the filter options of the Crunch GPX1000.4?

The Crunch GPX1000.4 is equipped with advanced filter options. It features two adjustable high-pass filters ranging from 50 Hz to 250 Hz, ideal for cutting out low frequencies when operating speakers or smaller Subwoofers. Additionally, there is a low-pass filter with the same adjustable range of 50 Hz to 250 Hz to eliminate high frequencies when using the Subwoofer. This flexibility in frequency adjustment allows for precise tuning to nearly any speaker in the car audio system and ensures optimal sound quality across all channels.

What bass adjustments does the Crunch GPX1000.4 offer?

The Bass Boost of the Crunch GPX1000.4 provides flexibility in bass adjustment. You can set the Bass Boost to three levels: 0 dB, 6 dB, or 12 dB. This means you can adjust the bass of your music according to your preferences and the characteristics of your speaker system. Especially if you enjoy listening to music loudly or want to emphasize lower frequencies more, the 12 dB setting is advantageous. It is important to note that activating the Bass Boost may increase the power requirements of your amplifier, which should be taken into account.

What installation tips are there for the Crunch GPX1000.4?

When installing the Crunch GPX1000.4, you should consider the dimensions of 254 x 46 x 330 mm to ensure that the installation location provides enough space. The RCA inputs allow for easy connection to your car radio or another signal source. When placing it, it is important to install the amplifier in a well-ventilated area to avoid overheating under heavy load. Make sure that the connection cables are easily accessible to facilitate the adjustment of the filter settings or the bass boost when fine-tuning your sound system.

What speaker systems does the Crunch GPX1000.4 support?

The Crunch GPX1000.4 is a versatile 4-Channel Amplifier that is suitable for both 4 Ohm and 2 Ohm speakers. This makes it compatible with many common speaker systems in the car hi-fi sector. It delivers 4 x 70 Watts RMS at 4 Ohm, while at 2 Ohm it provides a total of 4 x 125 Watts RMS. In bridged mode, it can deliver 2 x 250 Watts RMS at 4 Ohm, which is particularly suitable if you want to use Subwoofers or power-hungry speaker units that require more power.

What is the compatibility of the Crunch GPX1000.4 with common car brands?

The Crunch GPX1000.4 can be easily integrated into many common car brands thanks to its compact dimensions of 254 x 46 x 330 mm. Although no specific car brands are mentioned in the description, it fits into most vehicle interiors where there is enough space. It is crucial to consider the physical size of the amplifier to find the best possible location for mounting without compromising ventilation or access to the adjustment controls. However, an adaptation to the specific audio setup of the respective model is required.

What RCA inputs are available on the Crunch GPX1000.4?

The Crunch GPX1000.4 is equipped with RCA inputs that allow for easy connection to all common car radios or preamplifiers. These inputs are essential for integrating into existing audio systems, allowing signal transmission without additional adapters or complicated wiring solutions. This makes it easy to incorporate the amplifier into almost any setup, whether for upgrading an existing system or as a basic amplifier for a new setup. Ensure that the RCA cables are of good quality to guarantee optimal signal performance.

How can the filters of the Crunch GPX1000.4 be optimally adjusted?

The filter settings of the Crunch GPX1000.4 allow for finely tuned sound control. You should optimally set the high-pass filters to exclude unwanted low frequencies for speakers that are not meant to reproduce deep tones; the adjustable range is between 50 Hz and 250 Hz. The low-pass filter, with the same frequency range, is intended for Subwoofers to eliminate unnecessary high frequencies. The choice of the right frequencies within these ranges heavily depends on the individual speaker design and the acoustic requirements of your vehicle and can make the difference between average and exceptional sound enjoyment.

What are the maximum power ratings of the Crunch GPX1000.4 at full load?

At full load, the Crunch GPX1000.4 impresses with maximum power ratings that are impressive. You get 4 x 140 Watts at 4 Ohm when each channel is operated individually. If low impedances do not deter you, you can even enjoy 4 x 250 Watts at 2 Ohm. If you choose bridge mode, the amplifier delivers 2 x 500 Watts at 4 Ohm. These parameters make it a powerful and versatile amplifier that easily handles power peaks in demanding audio systems and provides sufficient reserves for almost any application.

What advantages does using the Crunch GPX1000.4 in bridge mode offer?

Using the Crunch GPX1000.4 in bridge mode offers significant advantages, especially if you are looking for more power. In bridged mode, the amplifier delivers 2 x 250 Watts RMS at 4 Ohm, which is ideal for powerful Subwoofers that require higher wattages. This configuration allows two channels to be combined into one unit, effectively doubling the amplifier's power capability. For audiophiles who want to experience powerful and dynamic bass, this operating mode opens up the possibility of significantly enhancing bass reproduction in the car audio system.

Manufacturer information/responsible person

Audio Design Loudspeaker Sales GmbH
Am Breilingsweg 3
76709 Kronau
Germany

Authorized Managing Director:
Bruno Dammert

Contact: info@audiodesign.de

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