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ESX Power 4 1-Channel Amplifier
460 Watt

Power 4

Technical Highlights

  • Power: 460 W/RMS at 4 Ω, high efficiency up to 84%, Class D.
  • Subwoofer adjustment: input and high level inputs, phase switch.
  • EPS PRO: Input sensitivity 15-40 V, 3-way limiter active.
  • More technical details
€199,00
€199,00 €199,00
5% discount with prepayment
inkl. VAT , possibly plus shipping
Only a few left in stock (1 pieces available)
In stock
Apr 26, - Apr 27,
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Power 4 by ESX

Power 4 is a 1-Channel Amplifier from ESX in Class D design with an efficiency of up to 84 %. The Class D active module for subwoofer enclosures in the 4 Ω version delivers 1 x 460 W RMS; the 2 Ω variant reaches 475 W RMS, the modules are identical. Integrated are a low-pass filter of 40–120 Hz with 12 dB slope, a phase switch 0°/180°, and a bass boost of 0–6 dB at 45 Hz. Connection is made via RCA low-level input or high-level input, the automatic power-on function operates via DC or signal. The EPS PRO technology with 10R/150R/600R is switchable, the input sensitivity is switchable to 15 or 40 volts. Start-stop capable with 5 sec./ up to 7 volts, 3-fold limiter function with clipping LED and a bass level remote control are available. Suitable for enclosures with Quick Connect terminals; dimensions 113 x 130 x 125 mm, mounting opening 85 x 109 mm. Compatible with passive enclosures from ESX, Musway, and Hifonics. Low power consumption and small cable cross-sections.

Features
  • 1-Channel Amplifier
  • Class D active module for subwoofer enclosures (4 Ω version)
  • Subwoofer variants: 4 Ω or 2 Ω, modules identical
  • 460 W RMS at 4 Ω
  • 475 W RMS at 2 Ω
  • Efficiency up to 84 %
  • Low power consumption
  • Small cable cross-sections
  • 3-fold limiter
  • Compatibility: Passive enclosures from ESX, Musway, Hifonics
  • EPS PRO technology
  • Input sensitivity: 15 or 40 volts (switchable)
  • RCA low-level input
  • High-level input
  • Automatic power-on function (DC or signal)
  • Start-stop capable, 5 sec./ up to 7 volts
  • Bass level remote control
  • Suitable for enclosures with Quick Connect terminals
Technical specifications
  • 1 x 460 W RMS at 4 Ω
  • Efficiency up to 84 %
  • Low-pass 40–120 Hz with 12 dB slope
  • Phase switch 0°/180°
  • Bass boost 0–6 dB at 45 Hz
  • RCA low-level input
  • High-level input
  • Automatic power-on function (DC or signal)
  • Start-stop capable, 5 sec./ up to 7 volts
  • EPS PRO with 10R / 150R / 600R (switchable)
  • Input sensitivity 15 or 40 volts (switchable)
  • 3-fold limiter function, clipping LED
  • Bass level remote control
  • Suitable for enclosures with Quick Connect terminals
  • Dimensions 113 x 130 x 125 mm
  • Mounting opening 85 x 109 mm

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ESX Power 4 Datasheet

Open datasheet

Frequently Asked Questions about Power 4

What are the technical specifications of the Power 4 Amplifier from ESX?

The Power 4 from ESX delivers a power of 460 Watts RMS at 4 Ω and 475 Watts RMS at 2 Ω. This is achieved through Class D technology, which operates efficiently and offers an efficiency of up to 84%. Notably, it features a low-pass range of 40-120 Hz with a slope of 12 dB, as well as an adjustable bass boost of 0 to 6 dB at 45 Hz, allowing for customization to personal preferences.

What protection features does the Power 4 Amplifier offer?

The amplifier comes with a 3-fold limiter function, which particularly protects smaller Subwoofers from overload. This protective measure is essential for the integrity of the audio system, as it prevents the device from being damaged in critical operating situations. Another feature is the clipping LED, which provides visual cues for overloads and can be useful during calibration and adjustment of the system to ensure optimal sound without distortion.

How can the Power 4 Amplifier be integrated into a vehicle?

The Power 4 can be flexibly integrated into modern car audio systems thanks to EPS PRO technology. This technology simulates different input resistances, allowing for seamless adaptation to existing systems. The simple installation is done via quick connect terminals, ensuring a fast and hassle-free connection. Additionally, the input sensitivity is variable and can be set between 15 and 40 volts to improve compatibility with various signal sources.

What advantages does Class D technology offer in the Power 4 Amplifier?

The Class D technology of the Power 4 amplifies the signal efficiently with up to 84% efficiency, resulting in low power consumption and allowing for smaller cable cross-sections. This is particularly advantageous in modern vehicles, as the power supply is utilized optimally. The high efficiency generates less heat, which increases the longevity of the amplifier and contributes to more stable operation under high load. Thus, Class D technology is ideal for power-intensive applications with limited space and power capacities.

How does the automatic power-on function work in the Power 4?

The Power 4 features an automatic power-on function that can be triggered by either a DC signal or an audio signal. This facilitates use in the vehicle, as the amplifier autonomously activates as soon as the radio is turned on. This function is particularly suitable for start-stop systems and ensures that the amplifier is active again within five seconds and can operate at voltages up to 7 volts, supporting use in modern vehicles with start-stop technology.

What settings does the Power 4 offer for the bass level?

The Power 4 from ESX allows for the adjustment of the bass level, with a bass boost of 0 to 6 dB at 45 Hz. The desired amplification can be set via the bass level remote control, enabling fine-tuning of the sound. This feature is particularly useful for music lovers who value a strong low-frequency range and want to customize their sound without having to leave the vehicle.

How can the Power 4 be combined with common enclosure brands?

The Power 4 is compatible with passive enclosures from brands like ESX, Musway, and HiFonics. This integration is made possible by the advanced EPS PRO technology, which allows for seamless adaptation to various enclosure types. The amplifier fits into enclosures with pre-fabricated quick connect terminals, simplifying installation. This way, the amplifier can be optimally integrated with existing components to achieve the best possible performance and sound quality.

What are the dimensions of the Power 4 for installation in the vehicle?

The dimensions of the Power 4 are 113 x 130 x 125 mm, which represents a compact design and allows for installation in tight vehicle spaces. The required mounting opening measures 85 x 109 mm, enabling flexible installation in different configurations. These compact dimensions allow for integration into small trunk or seating area enclosures, where space is limited but powerful audio is desired.

What inputs does the Power 4 amplifier offer?

The amplifier is equipped with a RCA low-level input for connection to common audio sources. Additionally, it features a high-level input that allows for direct connection to the speaker outputs of modern car radios. This variety of input options ensures flexible integration of different audio sources. Furthermore, the EPS PRO technology allows for adjustment of the input sensitivity between 15 and 40 volts, ensuring fine-tuning of audio signals for optimal sound quality.

How does the Power 4 amplifier support passive enclosure integration?

The Power 4 amplifier can be seamlessly integrated with passive enclosures, as it was specifically designed for this purpose. The special modules are identical for Subwoofer variants with 4 Ω or 2 Ω, allowing for flexible adaptation to various requirements. Additionally, the EPS PRO technology ensures a realistic adjustment to different enclosures, which can significantly influence the final sound. This ability to effectively work with various enclosure shapes and volumes guarantees excellent audio performance.

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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