Crossover E3 AS-48 II

The E3 AS-48 II Crossover is a next-generation digital signal processor developed for professional audio systems. Featuring a high-performance DSP, precise crossover capabilities, and numerous features such as EQ, Delay, Limiter, and feedback suppression, this device optimizes sound quality, protects speaker systems, and enhances operational efficiency.

Introducing the E3 AS-48 II Crossover

The Crossover E3 AS-48 II is a loudspeaker management system incorporating advanced DSP technology, designed to meet the signal processing requirements in karaoke systems, auditoriums, stages, churches, and professional sound installations.

The device utilizes a SHARC ADSP-21488 400MHz processor combined with a CS5361 ADC and a CS4382A 24-bit DAC, delivering high-speed signal processing, maintaining sound fidelity, and minimizing noise and distortion.

Technical parameters of the product to consider:

• DSP SHARC ADSP-21488 400MHz: It provides high-speed signal processing capabilities, ensuring accuracy and stability in professional audio systems.
• 24-bit ADC/DAC with 114dB Dynamic Range: It helps to reproduce audio signals faithfully, minimize distortion, and preserve the detail of the music.
• THD+N below 0,003%: It delivers a clean output signal, reduces noise, and ensures sound quality even when operating at high power levels.
• Frequency response 20Hz – 20kHz (±0.2dB): Ensuring full-range sound reproduction, suitable for applications ranging from karaoke to professional performances.
• 16-band PEQ: This allows for detailed fine-tuning of each frequency band to suit the characteristics of the speaker and the usage space.
• 12-channel standalone limiter: Protecting the speakers from clipping and overload contributes to extending the lifespan of the entire system.
• Maximum delay: 218ms It supports time synchronization between speaker clusters, especially useful in line array systems, auditoriums, and large stages.
• A variety of crossover filters: Supports Bessel, Butterworth, and Linkwitz-Riley with multiple slope levels, providing flexibility to suit various sound configurations.
• 32 Ethernet Presets and Controls: It helps store multiple configurations and allows for convenient system management and adjustment via a computer.

Key features of the E3 AS-48 II audio processor

The E3 AS-48 II crossover is a professional digital signal processor that integrates many advanced technologies to optimize performance and provide comprehensive protection for your audio system.

• The high-performance SHARC DSP processor enables fast and accurate signal processing.
• It integrates crossover, PEQ, delay, limiter, feedback suppression, and signal generator all in one device.
• Supports 12 independent processing channels, accommodating a variety of audio system configurations.
• Remote control via Ethernet allows for convenient setup and management.
• It stores 32 presets for quick switching between different configurations.
• Independent limiters help protect the speakers and increase the stability of the entire system.
• Suitable for professional karaoke, stages, auditoriums, churches, convention centers, and large-scale performance sound systems.

Detailed review of the E3 AS-48 II Crossover

High-performance DSP processor ensures accurate audio signal.

The E3 AS-48 II crossover is equipped with a SHARC ADSP-21488 DSP processor running at 400MHz, providing fast and stable signal processing even in complex audio systems.

Combined with the CS5361 ADC and CS4382A DAC, which boast a dynamic range of up to 114dB, the device helps maintain signal fidelity from input to output. With THD+N below 0,003% and a signal-to-noise ratio of 110dB, the E3 AS-48 II reproduces clean, detailed sound, minimizing noise and distortion throughout its operation.

Advanced crossover and sound tuning capabilities

The E3 AS-48 II features a 16-band Parametric Equalizer (PEQ) per channel, allowing technicians to precisely fine-tune each frequency range to suit the characteristics of the speakers and the installation space.

The device also supports professional crossover algorithms from Bessel, Butterworth, and Linkwitz-Riley, with various slope levels from 6dB to 48dB/Oct, optimizing the pairing of full-range speakers, subwoofers, and monitor speakers. This results in a balanced sound system, minimizes frequency overlap, and improves performance.

Integrates multiple features to protect the speaker system.

More than just a crossover, the E3 AS-48 II also provides comprehensive protection for your audio system thanks to its 12-channel independent limiters, which help control output signal levels and prevent overload or clipping that can damage speakers.

The device also incorporates Feedback Suppression to reduce howling and screeching when using microphones, especially effective in karaoke systems, auditoriums, and stages. In addition, the Signal Generator supports quick signal checking and system adjustment without the need for additional specialized equipment.

Flexible connectivity, compatible with a wide range of professional audio systems.

The E3 AS-48 II supports control via a 100M Ethernet port, allowing technicians to easily configure, monitor, and manage the entire system from a computer. The device also allows saving 32 preset configurations, convenient for switching between multiple systems or different usage environments.

With a delay capability of up to 218ms, the E3 AS-48 II effectively synchronizes the timing between speaker clusters in line array systems, delay speakers, or large auditoriums. Thanks to its powerful performance, high stability, and comprehensive signal processing capabilities, it is a suitable choice for sound system installation companies, stage performances, conference centers, and professional karaoke systems.

Applications of the E3 AS-48 II Crossover

The E3 AS-48 II Crossover is a professional digital signal processor designed to optimize sound quality and efficiently manage speaker systems. With its ability to perform crossover filtering, EQ adjustments, delay, limiter, and feedback suppression on multiple independent channels, the device is well-suited for a wide range of sound systems, from high-end karaoke to stage performances and large auditoriums.

• Professional karaoke system.
• Conference hall and center.
• Performance and event stage.
• Line Array Speaker System.
• Churches, temples, and community centers.
• Bars, lounges, and clubs.
• Multi-zone audio system.
• Sound system installation and rental company.

Where can I buy a genuine E3 AS-48 II audio processor at a good price?

If you're looking for a genuine E3 AS-48 II crossover at a competitive price with professional technical support, Phuc Truong Audio is a reliable address for you. With many years of experience in the audio equipment field, Phuc Truong Audio specializes in providing genuine products for karaoke systems, auditoriums, stages, restaurants, conference centers, and professional audio projects nationwide.

When purchasing the E3 AS-48 II Crossover at Phuc Truong Audio, customers are guaranteed genuine products with complete documentation, manufacturer's standard warranty, and competitive pricing. Our experienced technicians will advise on suitable solutions, assist with DSP configuration, crossover setup, EQ, Delay, Limiter settings, and optimal pairing with speakers, power amplifiers, mixers, and other audio equipment for the most efficient system performance.

In addition, Phuc Truong Audio also provides survey, installation, calibration, and maintenance services for sound systems tailored to individual needs. With a thoughtful after-sales policy, dedicated technical support, and many years of experience in implementing sound system projects of all sizes, Phuc Truong Audio is the ideal choice to own a genuine E3 AS-48 II Crossover with guaranteed quality and reasonable price.

Frequently Asked Questions about Crossover E3 AS-48 II

1. What is the main function of the E3 AS-48 II audio processor?

The E3 AS-48 II Crossover is a digital signal processor used for crossover, equalizer, delay, limiter, and signal management for speaker systems. The device optimizes sound quality, reduces distortion, minimizes feedback, and protects speakers from overload, making it suitable for professional sound systems.

2. Which audio systems are compatible with the E3 AS-48 II?

This equipment is suitable for a wide range of sound systems, including high-end home karaoke systems , commercial karaoke venues, auditoriums, performance stages, conference centers, churches, bars, lounges, line array speaker systems, and professional sound system rental companies.

3. Does the E3 AS-48 II crossover support crossovers for both subwoofer and full-range speakers?

Yes. The E3 AS-48 II supports Bessel, Butterworth, and Linkwitz-Riley crossover filters with slopes from 6dB to 48dB/Oct, allowing for precise crossover point setting between the subwoofer , full-range , and monitor speakers, resulting in a more balanced and efficient sound.

4. Does the device have built-in microphone feedback suppression?

Yes. The E3 AS-48 II features built-in Feedback Suppression, which detects and reduces howling and screeching when using karaoke microphones . This feature is especially useful in karaoke systems, auditoriums, and stages, ensuring stable and pleasant sound.