Crossover E3 AS-48

The E3 AS-48 Crossover is a professional digital signal processor designed to optimize performance for karaoke, auditorium, stage, and performance sound systems.

With its precise crossover capabilities, high-speed signal processing, and numerous speaker protection features, the device enhances sound quality and ensures stable and durable system operation.

Introducing the E3 AS-48 Crossover

The E3 AS-48 crossover is a speaker management unit that utilizes a SHARC ADSP-21488 400MHz processor combined with a high-quality 24-bit ADC/DAC converter, delivering fast, accurate signal processing while maintaining sound fidelity.

In addition to its crossover function, the E3 AS-48 also integrates many advanced tools such as Parametric EQ (PEQ), Delay, Limiter, Feedback Suppression, and Signal Generator, allowing technicians to easily optimize the system for each specific space.

Technical parameters of the product to consider:

• DSP SHARC ADSP-21488 400MHz: It offers high-speed digital signal processing capabilities, ensuring accurate and stable sound.
• ADC/DAC 24-bit Dynamic Range 114dB: It helps convert audio signals with high fidelity, reducing distortion and minimizing noise.
• THD+N below 0,003%: Ensures a clean, low-distortion output signal even when the system is operating at high volume levels.
• Frequency response 20Hz – 20kHz: Covering the entire audible range of the human ear, suitable for professional sound systems.
• PEQ with 16 independent frequency bands: This allows for detailed fine-tuning of each frequency band to suit the acoustic characteristics of each space.
• 12-channel limiter: Protecting each speaker channel from overload or clipping contributes to a longer system lifespan.
• Maximum delay: 218ms It supports timing alignment between speaker clusters, particularly effective with line array systems and delay speakers.
• Bessel, Butterworth, and Linkwitz-Riley filters: Meets diverse crossover needs in full-range speaker, subwoofer, and monitor speaker configurations.
• 32 Ethernet Presets and Controls: It helps technicians store multiple configurations, control, and manage the system conveniently from a computer.

Key features of the E3 AS-48 Audio Processor

The E3 AS-48 crossover is a product developed to meet the demanding requirements of the professional audio field. The device integrates a full range of modern processing technologies, optimizing the performance of the entire speaker system.

• The high-performance SHARC DSP processor enables fast and accurate signal processing.
• It integrates all the functions of crossover, PEQ, delay, limiter, and feedback suppression into one device.
• Supports 12 independent processing channels, suitable for a wide range of sound configurations from small to large.
• Remote control and configuration via Ethernet network, convenient for technicians.
• It stores 32 preset configurations, allowing for quick switching between systems.
• Effectively protect your speakers with independent limiters and advanced DSP processing algorithms.
• Versatile application for professional karaoke, auditoriums, stages, churches, convention centers, and performance sound systems.

Detailed review of the E3 AS-48 Crossover

Powerful processing performance with 400MHz SHARC DSP.

The E3 AS-48 crossover is equipped with a SHARC ADSP-21488 DSP processor running at 400MHz, delivering fast and accurate digital signal processing. Combined with the CS5361 ADC and CS4382A DAC, which boast a dynamic range of up to 114dB, the device helps maintain the fidelity of the audio signal from input to output.

At the same time, THD+N below 0,003% and a signal-to-noise ratio of 110dB help reduce distortion, minimize noise, and deliver clean, detailed sound quality under all operating conditions.

Professional crossover and sound equalization capabilities.

The E3 AS-48 is fully equipped with the necessary tools to optimize your sound system. It supports 16-band Parametric EQ (PEQ) per channel, allowing for fine-tuning of the frequency response to suit the characteristics of each speaker type and installation space.

Additionally, the product supports Bessel, Butterworth, and Linkwitz-Riley crossover algorithms with slopes ranging from 6dB to 48dB/Oct, helping to establish precise crossover points between full-range speakers, subwoofers, and monitor speakers, resulting in a balanced and seamless system.

Integrates multiple protection and system optimization features.

In addition to acting as a crossover, the E3 AS-48 is also equipped with independent limiters on 12 channels, helping to control the output signal level and protect speakers from overload or clipping.

The device also integrates Feedback Suppression to reduce microphone feedback, especially effective in karaoke systems, auditoriums, and stages. In addition, the Signal Generator helps technicians quickly check, calibrate, and optimize the system without the need for additional specialized measuring equipment.

Flexible controls, suitable for professional sound systems.

The E3 AS-48 supports control via a 100M Ethernet port, allowing for convenient configuration and management of all parameters on a computer. The device also has the ability to store 32 preset configurations, enabling quick switching between multiple systems or different usage spaces.

With a maximum delay of 218ms, the E3 AS-48 is well-suited for synchronizing the timing between speaker clusters in line array systems, delay speakers, or large auditoriums. Thanks to its comprehensive signal processing capabilities, high stability, and intuitive control interface, the E3 AS-48 crossover is a suitable choice for sound technicians, contractors, and professional sound systems requiring high performance.

Applications of the E3 AS-48 Audio Processor

The E3 AS-48 is designed to manage and optimize signals for professional audio systems. With its ability to perform crossover filtering, EQ adjustment, delay, limiter, and feedback suppression on multiple independent channels, the device is well-suited for everything from high-end karaoke systems to stage performances, auditoriums, and large-scale sound installations.

• Professional karaoke system.
• Conference hall, conference center.
• Outdoor 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 and reliable E3 AS-48 Crossover?

If you're looking for a genuine E3 AS-48 Crossover at a competitive price and with expert technical support, Phuc Truong Audio is a reliable choice. With years of experience in the professional audio field, Phuc Truong Audio specializes in providing authentic equipment for karaoke venues, auditoriums, stages, restaurants, conference centers, and performance sound systems nationwide.

When choosing the E3 AS-48 Crossover at Phuc Truong Audio, customers are guaranteed a product with a clear origin, full official warranty, and technical support throughout its use. Our experienced technicians will advise on suitable configurations, assist with DSP, crossover, EQ, Delay, and Limiter settings, and help with pairing with speakers, power amplifiers, mixers, and other signal processing equipment to ensure efficient and stable system operation.

In addition to supplying equipment, Phuc Truong Audio also provides on-site surveys, installation, calibration, and optimization of sound systems according to individual needs. With reasonable prices, professional after-sales service, and experience in implementing numerous large and small sound projects, it is a suitable choice for individuals, businesses, and construction companies looking to invest in genuine E3 AS-48 Crossovers, ensuring performance and long-term durability.

Frequently Asked Questions about the E3 AS-48 Audio Processor

1. What are the functions of the E3 AS-48 audio processor?

E3 Crossover The AS-48 is a digital signal processor (Digital Loudspeaker Management System) responsible for crossover filtering, EQ adjustment, delay, limiter, and output signal management for the loudspeaker system. The device optimizes sound quality, reduces distortion, balances frequency ranges, and protects speakers from overload.

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

Thanks to its integration of 12 independent processing channels and numerous advanced DSP tools, the E3 AS-48 is suitable for various systems. business karaoke systemThis equipment is used in high-end home karaoke systems, auditoriums, performance stages, theaters, churches, bars, lounges, and line array speaker systems. It is also widely used in professional sound system rental and installation companies.

3. Does the E3 AS-48 processor support crossovers for subwoofers and full-range speakers?

Yes. The E3 AS-48 supports Bessel, Butterworth, and Linkwitz-Riley crossover filters with slopes from 6dB to 48dB/Oct, allowing for precise crossover frequency setting between the subwoofer and the speaker. full range speaker , and monitor speakerThis helps the system operate more efficiently, reduces frequency band overlap, and improves overall sound quality.

4. Does the E3 AS-48 have built-in microphone feedback suppression?

Yes. The device is equipped with Feedback Suppression, which automatically detects and processes feedback frequencies during use. microphoneAs a result, the sound system operates more stably, especially in karaoke rooms, auditoriums, or stages that frequently use wireless microphones.