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DBX 223XS

Description

Essential Information About the 223xs Stereo Active Crossover

  • Precise Professional Filtering thanks to Linkwitz-Riley 24 dB per octave filters, ideal for clean channel separation.
  • Flexible Configuration : 2-way stereo or 3-way mono mode to suit various sound reinforcement systems.
  • Complete System Management : gain adjustment per output, phase inversion on all outputs, and 40 Hz high-pass filter.
  • Simplified Subwoofer Output via mono bass summation (LF), convenient for powering a subwoofer enclosure.

A 1U Rack Crossover Designed for Modern Sound Reinforcement

The 223xs is a stereo active crossover designed to meet the demands of a professional sound processor while remaining easy to integrate into a rack. Its 1U format makes it a natural choice for fixed installations, touring racks, mobile sound systems, and DJ/sound setups that require reliable frequency band separation. The principle is clear: optimize multi-way speaker behavior by assigning each driver the frequency range it reproduces best, to gain in intelligibility, power handling, and bass clarity.

Who Is It For and What Is It Used For?

This active crossover is aimed at users who want to get the best out of a multi-way speaker system: sound providers, musicians equipped with sound systems, DJs, rehearsal rooms, houses of worship, bars with live music, or small stages. In 2-way stereo, you can, for example, split the signal between tops (highs/mids) and subwoofers. In 3-way mono, it becomes possible to separately control bass, midrange, and treble, which suits more elaborate systems. In all cases, the balanced XLR connectors facilitate integration into a professional audio chain and reduce noise on long cable runs.

Key Features: Control, Precision, and Easy Integration

Linkwitz-Riley 24 dB per Octave Filters: Clean Channel Separation

The 223xs uses Linkwitz-Riley filters at 24 dB per octave, a topology recognized in sound reinforcement for achieving an effective transition between bands, with coherent summation when channels are properly adjusted. Result: cleaner crossover, better controlled bass, and improved definition, particularly useful when pushing the system to high levels.

Per-Output Adjustments: Fine-Tune Your System to the Millimeter

Each channel features an individual level control to balance your system according to speaker efficiency, room acoustics, or placement. Phase inversion on all outputs provides a simple and effective tool to correct acoustic addition/subtraction issues (notably at the sub/top crossover), or to adapt to certain wiring and upstream processing.

40 Hz High-Pass and Bass Summation: Easier Subwoofer Feeding

The 40 Hz high-pass filter limits unnecessary excursion in the infrasonic range and protects your system from frequencies too low for certain configurations. The LF summation circuit offers a dedicated mono bass output, convenient for a subwoofer: you combine bass energy without multiplying processing, while maintaining a clear and efficient architecture.

Technical Specifications

Operating Modes

  • Mode: 2-way stereo or 3-way mono
  • Filters: Linkwitz-Riley 24 dB per octave
  • High-pass filter: 40 Hz
  • Phase inversion: on all outputs
  • Level control: individual on outputs
  • Mono summable bass outputs: for subwoofer (LF summation)

Connectivity

  • Inputs: 2 inputs on XLR connector (balanced)
  • Outputs: XLR connector (balanced)

Levels

  • Maximum input level: +22 dBu
  • Maximum output level: +20 dBu (600 ohms)

Audio Performance

  • Frequency response: 20 Hz to 20 kHz, +0 / -0.5 dB
  • Frequency response: 3 Hz to 90 kHz, +0 / -3 dB
  • Distortion + noise: less than 0.004 % at +4 dBu, 1 kHz
  • Signal-to-noise ratio (reference: +4 dBu, 22 kHz): stereo, greater than 94 dB (LF), greater than 91 dB (HF)
  • Signal-to-noise ratio (reference: +4 dBu, 22 kHz): mono, greater than 94 dB (LF), greater than 93 dB (MF), greater than 91 dB (HF)
  • Dynamic range: greater than 106 dB
  • Crosstalk: less than -80 dB, 20 Hz to 20 kHz

Format and Dimensions

  • Rack units: 1U
  • Dimensions: 486 x 175 x 45 mm
  • Weight: 1.7 kg
Brand reference number: 223XS
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