The DEQX Pre-4 is a sophisticated digital preamp processor designed for audiophiles seeking exceptional sound quality and room correction capabilities. It serves as a versatile control center for your audio system, combining essential high-end audio processing in an elegant, user-friendly package.
 
Key Features and Capabilities
 
Premium Digital Preamp: The Pre-4 integrates a high-quality preamp with DAC (Digital-to-Analog Converter), ADC (Analog-to-Digital Converter), and streamer with Bluetooth and network connectivity, providing flexible source integration.
Speaker and Room Correction: The Pre-4 delivers precise speaker calibration and room correction capabilities, using accurate measurements to create correction filters that address amplitude and time coherence issues, as well as acoustic modes and resonances in your listening environment.
Subwoofer Integration: Full support for subwoofer integration allows you to optimize bass performance and seamlessly blend low-frequency content with your main speakers.
High-Performance Components: Built with premium components including an ESS Sabre Pro ADC and DAC, ensuring pristine audio quality throughout the signal path.
Modern Usability: Features a 5.5-inch HD touch-sensitive AMOLED display for intuitive control, plus a web browser-based UI for cross-platform, zero-install speaker calibration and room correction via DEQX Cloud.
Comprehensive Connectivity: Offers three analog inputs (RCA), five digital inputs (USB-B, optical, coaxial, AES-EBU), balanced XLR outputs, and one digital output. An optional Dynavector phono preamp module is available for vinyl enthusiasts.
Remote Control: Includes remote control capability for convenient operation from your listening position.
 
The DEQX Pre-4 is an excellent solution for audiophiles who want to optimize their passive speaker systems and listening rooms without the complexity of multi-way active crossovers.