Technical Highlights

  • Maximum Power: 1250 watts at 1 ohm, compact design.
  • Features: Subsonic filter 10-35 Hz, low-pass filter 40-150 Hz.
  • Bass Boost: 0-12 dB, Phase Shift: 0-180 degrees, remote control.
  • More technical details
Regular price €123.98
Regular price -17% €149.00 selling price €123.98
2% discount with credit card
including VAT
Expected Sep 14 to Sep 17 with you.
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Product description

The GPX1250.1D is a 1-Channel Amplifier from the manufacturer Crunch. It features a subsonic filter in the range of 10 to 35 Hz as well as a low-pass filter from 40 to 150 Hz. For sound adjustment, it includes a bass boost from 0 to 12 dB and a phase shift from 0 to 180 degrees. The device is equipped with RCA and high-level inputs, as well as an automatic turn-on function. A bass level remote control is included in the delivery. The maximum power is 1250 watts at 1 Ohm with compact dimensions of 254 x 46 x 225 mm.

Features
  • 1-Channel Amplifier
  • Subsonic filter 10-35 Hz
  • Low-pass filter 40-150 Hz
  • Bass boost 0-12 dB
  • Phase shift 0-180 degrees
  • RCA inputs and high-level inputs
  • Automatic turn-on function
  • Bass level remote control
  • Dimensions: 254 x 46 x 225 mm
Technical Specifications
  • Power: 1 x 350 watts RMS at 4 Ohm
  • Power: 1 x 500 watts RMS at 2 Ohm
  • Power: 1 x 625 watts RMS at 1 Ohm
  • Power: 1 x 700 watts MAX at 4 Ohm
  • Power: 1 x 1000 watts MAX at 2 Ohm
  • Power: 1 x 1250 watts MAX at 1 Ohm

datasheet

Open data sheet

Frequently Asked Questions about GPX1250.1D


What power does the Crunch GPX1250.1D Amplifier provide?

The Crunch GPX1250.1D delivers different power levels depending on the impedance. At 4 Ohm, it offers 350 Watts RMS and a maximum power of 700 Watts. At 2 Ohm, the RMS power increases to 500 Watts and the maximum power to 1000 Watts. At 1 Ohm, the amplifier reaches 625 Watts RMS and its maximum output is an impressive 1250 Watts. This allows for flexible power usage, which is particularly powerful when you configure the amplifier to 1 Ohm. This power variety makes the GPX1250.1D a promising option for various audio applications in vehicles.

How does the Subsonic filter of the GPX1250.1D work?

The Subsonic filter of the GPX1250.1D is a crucial feature for protecting your speakers from extremely low frequencies that cause unnecessary energy consumption. It operates in the range of 10 Hz to 35 Hz and is designed to reduce frequencies below the set threshold. This feature is particularly useful if you want to prevent inaudible frequencies from stressing your Subwoofers, leading to more efficient and safer sound reproduction. Audiophiles looking to optimize their bass reproduction benefit from this function without overloading the speakers.

What role does the low-pass filter play in the Crunch Amplifier?

The low-pass filter in the Crunch GPX1250.1D allows for frequency separation so that only the desired low frequencies are fed to your Subwoofers. It is adjustable from 40 Hz to 150 Hz, meaning you can choose the exact range you want to hear. This function is particularly useful for optimizing the sound quality of your bass reproduction and eliminating unwanted high frequencies that could otherwise be reproduced by your Subwoofer. With this adjustment, you can tailor the amplifier to different music styles and speaker types, personalizing the sound experience.

How does the Bass Boost optimize sound quality?

The Bass Boost of the GPX1250.1D offers an adjustment range from 0 to 12 dB, allowing for an increase in bass playback as desired. If you enjoy listening to music with strong bass, you can enhance the intensity with this feature to achieve a more impressive low-frequency reproduction. This is especially helpful in vehicles with suboptimal acoustics, where additional bass reinforcement is needed to achieve a balanced sound profile. The sound quality remains clear and detailed, allowing you to enjoy an engaging and dynamic listening experience.

How does the phase shift affect the performance of the Amplifier?

With the adjustable phase shift from 0 to 180 degrees, the Crunch GPX1250.1D Amplifier can improve the synchronization between the speakers and the subwoofer output. This is particularly useful during installation, where the placement of the subwoofers can lead to acoustic shifts. By adjusting the phase, you can avoid sound waves canceling each other out, which enhances bass clarity and performance. In staggered or spatially separated speakers in a vehicle, this feature helps maintain the coherence of your sound system.

What is the size of the Crunch GPX1250.1D Amplifier?

With compact dimensions of 254 x 46 x 225 mm, the Crunch GPX1250.1D Amplifier is very space-saving and flexible to mount. The slim design allows for easy installation in tight spaces within the vehicle. Despite its compact size, the amplifier delivers impressive performance values and can be ideally integrated into already complex audio systems without taking up much space. During installation, you can discreetly mount it under the vehicle seat, in the trunk, or in other suitable locations, giving you maximum freedom in audio configuration.

What inputs does the GPX1250.1D Amplifier support?

The Crunch GPX1250.1D is equipped with RCA and high-level inputs, increasing its flexibility in various audio systems. The RCA inputs are ideal for connecting to conventional car radios, while the high-level inputs are perfect for original systems that do not have an RCA output. This versatility in inputs makes the GPX1250.1D a versatile component that you can easily use in a wide range of vehicle configurations without needing additional adapters or conversion kits. Compatibility is thus significantly improved.

How does the automatic power-on function of the Crunch Amplifier work?

The automatic power-on function of the GPX1250.1D makes operation easier by automatically starting the amplifier as soon as an audio signal is detected. This feature eliminates the need for a separate power switch, which is particularly beneficial for vehicles without a dedicated amplifier output. The amplifier seamlessly switches from standby mode, enhancing user-friendliness while saving energy. Especially in vehicles with modern audio systems, this technology works extremely reliably and improves the overall integration of the amplifier into your existing system.

What compatibility exists between the GPX1250.1D and vehicles?

The Crunch GPX1250.1D is characterized by its compact design with dimensions of 254 x 46 x 225 mm, making it easy to install in a variety of vehicle models. Although no specific car brands are mentioned in the description, the dimensions offer flexible installation options, such as under the seat or in the trunk. Be sure to mount the amplifier in a location with adequate ventilation to ensure heat dissipation. This versatility ensures that the amplifier can be well integrated into many vehicle environments.

What additional features does the remote control of the GPX1250.1D offer?

The included bass level remote control of the GPX1250.1D allows you to conveniently adjust the bass volume from the driver's seat in real-time. This feature is particularly valuable when you listen to different music genres that require varying bass levels, or when your preferences change while driving. Accessing precise bass adjustments without leaving the driver's seat not only enhances comfort but also ensures that your sound settings are always optimally adjusted to the current music playback.

Manufacturer information/responsible person

Audio Design Loudspeaker Sales GmbH
Am Breilingsweg 3
76709 Kronau
Germany

Authorized Managing Director:
Bruno Dammert

Contact: info@audiodesign.de