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  3. Signum SXE250.4
ESX Signum SXE250.4 4-Channel Amplifier
SKU:  SXE250-4
EAN:  4251476405714
250 Watt

Signum SXE250.4

SKU:  SXE250-4
EAN:  4251476405714

Technical Highlights

  • 4 x 300/500 watts max. power @ 4/2 ohms, impedance: 2 ohms.
  • 2000 watts maximum power, 4 x 150/250 watts RMS @ 4/2 ohms.
  • High-level inputs with auto-turn-on, efficiency up to 62%.
  • More technical details
€279,00
€279,00 €279,00
5% discount with credit card
inkl. VAT , possibly plus shipping
Delivery
May 29, - Jun 1,
x piece
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The ESX Signum SXE250.4 is a black car audio amplifier with silver accents, MOSFET-PWM power supply, left-side input/output ports, and a sleek rectangular design.
€279,00
€279,00 €279,00

Signum SXE250.4 by ESX

The Signum SXE250.4 is a 4-Channel Amplifier from ESX. It operates as a 4-Channel Class A/B Analog Amplifier with a MOSFET-PWM power supply and a triple protection circuit. High-level inputs with an automatic turn-on function and Error Protection System are integrated. NE5532 operational amplifiers are installed. The housing features an aluminum heat sink with acrylic glass inserts, a flush-mounted diamond-cut logo, and an aluminum frame on the end panels. Massive connection terminals and a base plate with robust mounting brackets are present. The filter section includes 2 x HPF 10-250 Hz, LPF 50-250 Hz, as well as Bass-Boost 0-12 dB and bandpass mode. Dimensions are 220 x 53 x 460 mm and efficiency is up to 62%.

Features
  • 4-Channel Amplifier
  • 4-Channel Class A/B Analog Amplifier
  • MOSFET-PWM power supply
  • Triple protection circuit
  • High-level inputs with Error Protection System
  • Auto Turn-On via high-level inputs
  • Integrated NE5532 operational amplifiers
  • Aluminum heat sink with acrylic glass inserts
  • Flush-mounted diamond-cut logo
  • Aluminum frame on the end panels
  • Massive connection terminals
  • Base plate with robust mounting brackets
  • Bandpass mode
Technical Specifications
  • Maximum output power 2000 Watts
  • 4 x 300 Watts max @ 4 Ohm
  • 4 x 500 Watts max @ 2 Ohm
  • 2 x 1000 Watts max bridged @ 4 Ohm
  • 4 x 150 Watts RMS @ 4 Ohm
  • 4 x 250 Watts RMS @ 2 Ohm
  • 2 x 500 Watts RMS bridged @ 4 Ohm
  • 2 x HPF 10-250 Hz
  • LPF 50-250 Hz
  • Bass-Boost 0-12 dB
  • Dimensions 220 x 53 x 460 mm
  • Efficiency up to 62%

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ESX Signum SXE250.4 Datasheet

Open datasheet

Frequently Asked Questions about Signum SXE250.4

How many watts does the ESX Signum SXE250.4 Amplifier have?

The ESX Signum SXE250.4 offers an impressive maximum output power of 2000 watts, which can be utilized in various ways. In single mode, the amplifier delivers 4 x 300 watts at an impedance of 4 ohms or 4 x 500 watts at 2 ohms. This allows for versatile application and adaptability to different speaker configurations. When bridged, the amplifier reaches up to 2 x 1000 watts at 4 ohms. The high power is ideal for users seeking a powerful sound experience in their vehicle. Additionally, the amplifier provides 4 x 150 watts RMS at 4 ohms or 4 x 250 watts RMS at 2 ohms, ensuring consistent power even over longer periods.

What features does the ESX Signum SXE250.4 offer in terms of connectivity options and protection systems?

The ESX Signum SXE250.4 impresses with robust connection terminals that guarantee secure and lossless transmission of audio signals. Furthermore, it features high-level inputs with an automatic turn-on function, making setup easy. Notably, it includes an integrated 'Error Protection System' that protects the amplifier from overheating, short circuits, and overload, significantly enhancing longevity and reliability. These features make the amplifier particularly appealing to users who prioritize maximum safety and impressive performance in their vehicle. The aluminum heat sink with acrylic glass inserts also ensures effective heat dissipation.

What frequency filters and sound modifications does the ESX Signum SXE250.4 offer?

The ESX Signum SXE250.4 is versatile in sound control, as it is equipped with a high-pass filter (HPF) and a low-pass filter (LPF). The HPF covers frequencies from 10 to 250 Hz, while the LPF processes frequencies from 50 to 250 Hz. Together, these filters allow for precise tuning and adjustment of the sound to individual preferences and speaker requirements. Additionally, the amplifier offers a variable bass boost of 0 to 12 dB and a bandpass mode to finely tune the sound in any vehicle. These options ensure that users who require a wide range of audio fine-tuning are optimally served.

What are the dimensions of the ESX Signum SXE250.4, and what does that mean for installation in the vehicle?

The ESX Signum SXE250.4 measures 220 x 53 x 460 mm and offers a compact design despite its power. These dimensions simplify installation, as the Amplifier can easily fit under seats or in the trunks of vehicles of various sizes. It is important during installation to ensure that the Amplifier is cooled by adequate airflow to avoid overheating, especially during prolonged use. Additionally, the Amplifier must be securely mounted on a stable surface to prevent vibrations and movement while driving, which supports the protection of the internal electronics and optimizes the noise environment in the car.

How does the aluminum heat sink of the ESX Signum SXE250.4 affect performance and lifespan?

The aluminum heat sink of the ESX Signum SXE250.4 is essential for heat dissipation and ensures that the Amplifier maintains its performance even under more extreme conditions. Aluminum as a material is ideal due to its excellent thermal conductivity, as it efficiently disperses the heat generated during intense use. This not only protects the internal components from overheating but also significantly extends the lifespan of the device. The integrated acrylic glass inserts and the diamond-cut logo not only contribute to aesthetics but are also functionally integrated into the heat sink design to achieve maximum efficiency. These features are particularly beneficial for users who place a high value on durability while maintaining consistent sound quality.

What role do the NE5532 operational amplifiers play in the ESX Signum SXE250.4?

The integrated NE5532 operational amplifiers in the ESX Signum SXE250.4 are crucial for the sound quality and clarity that the amplifier delivers. These amplifiers are known for providing excellent resolution across a wide frequency range and minimizing distortion. This ensures that music lovers who prefer clear sound and fidelity get their money's worth. The NE5532 operational amplifiers are also famous for their reliability and low distortion rate, which is particularly important at high volumes to ensure a clean audio signal without sound loss. This makes the Signum SXE250.4 an excellent amplifier for discerning audio enthusiasts.

How does the automatic power-on function work via the high-level inputs of the ESX Signum SXE250.4?

The automatic power-on function of the ESX Signum SXE250.4 via the high-level inputs is particularly practical and user-friendly. This function allows the amplifier to turn on automatically when an audio signal is detected. This eliminates the need for additional control lines or switches, simplifying installation and making everyday use more comfortable. This is especially useful for users who want to use the system regularly in different vehicles or environments, as it saves time and streamlines the overall installation process. This automatic solution also prevents the classic 'pop' sound when turning on, ensuring a seamless transition to the music.

What protection mechanisms does the ESX Signum SXE250.4 offer?

The ESX Signum SXE250.4 features a triple protection circuit that safeguards the Amplifier against overheating, short circuits, and overloads. This function is essential to protect the Amplifier from damage and promote its longevity. The protection mechanism automatically intervenes when one of the mentioned hazards is detected and temporarily shuts down the device to protect the internal components from damage. Especially in vehicles where extreme temperatures can occur and where speaker configurations may not be uniform, this triple protection ensures that the Amplifier operates reliably and safely even under intense use. This is aimed at tech enthusiasts who value stable and secure operation.

How can the Signum SXE250.4 Amplifier be placed in the vehicle?

The robust base plate of the ESX Signum SXE250.4 with mounting brackets allows for flexible placement in the vehicle. Due to its size, it is ideally suited to be mounted under seats or in the trunk. It is important to ensure that there is sufficient space for air circulation to allow the aluminum heat sink to work effectively. Accurate placement reduces potential vibrations and associated noise development, contributing to a better listening experience. Additionally, care should be taken to keep the connections for high-level inputs, power supply, and speaker cables easily accessible for simple adjustments if necessary.

How do the amplifier classes differ in the Signum SXE250.4?

The ESX Signum SXE250.4 uses Class A/B amplifier technology, known for its excellent sound quality and efficiency. Compared to Class D amplifiers, which are designed for digital applications and higher efficiency, Class A/B technology offers a warmer and more natural sound with minimal distortion. This technique combines the advantages of Class A, which provides continuous voltage, with those of Class B, which only amplifies when a signal is present, resulting in an effective balance between sound purity and energy efficiency. These characteristics make the Amplifier particularly interesting for audiophiles who value a rich and detailed sound in the car, even at high volumes.

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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