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DBX 234XS Stereo 2/3 Way/Mono 4-Way Crossover

Great performance with 223xs crossover, ultra low-noise, rugged reliability and four decades of dbx knowledge and expertise in building the world’s finest processors.  Using precision filters to separate audio signal and direct correct frequencies to loudspeaker drivers.

R4,395.00 incl. VAT


Qty :



  • TRS differentially balanced ins and outs

  • Mode switches for mono 4-way or stereo 2-way/3-way operation

  • Low frequency summed (subwoofer) output

  • x10 range switch on both channels

  • 40Hz high pass (low cut) filter both channels

  • Phase reverse switch on all outputs

  • Individual level controls on all outputs

  • 24dB per octave Linkwitz-Riley filters (the professional standard)

  • Stereo/Mono status LEDs indicate the selected mode

  • dbx® 2 year parts and labor as standard

  • CSA NRTL/C approved

  • CE compliant


Input Connectors

1/4″ TRS

Input Type

Electronically balanced/unbalanced, RF filtered

Input Impedance

Balanced >50k ohm, unbalanced >25kΩ

Max Input

>+22dBu balanced or unbalanced


>40dB, typically >55dB at 1kHz

Output Connectors

1/4″ TRS

Output Type

Impedance-balanced/unbalanced, RF filtered

Output Impedance

Balanced 200 ohm, unbalanced 100Ω

Max Output

>+21dBu balanced/unbalanced into 2kΩ’s or greater


20Hz to 20kHz, +/-0.5dB

Frequency Response

< 3 Hz to > 90 kHz, +0/-3 dB

Signal to Noise Ratio

Ref: +4 dBu, 22 kHz measurement bandwidth

Signal-to-Noise (Stereo Mode)

>94dB (Low Output), >93dB (Mid Output), >90dB (High Output)

Signal-to-Noise (Mono Mode)

>94dB (Low Output, Low/Mid Output); >92dB (High/Mid Output); >88dB (High Output)

Dynamic Range

> 106 dB, unweighted, any output


< 0.004% at +4 dBu, 1 kHz; < 0.04% at +20 dBu, 1 kHz

Interchannel Crosstalk

< -80 dB, 20 Hz to 20 kHz

Crossover Frequencies (Stereo Mode)

Low/Mid: 45 to 960 Hz or 450 Hz to 9.6 kHz (x10 setting); Low/High: 45 to 960 Hz or 450 Hz to 9.6 kHz (x10 setting); Mid/High 450Hz to 9.6kHz (x10 setting)

Crossover Frequencies (Mono Mode)

Low/Low-Mid: 45 to 960 Hz or 450 Hz to 9.6 kHz (x10 setting); Low-Mid/High-Mid: 450 Hz to 9.6 kHz; High-Mid/High: 450 Hz to 9.6 kHz

Crossover Filter Type

Linkwitz-Riley, 24 dB/octave, state-variable

Low cut Switch

Activates 40 Hz Butterworth, 12 dB/octave high-pass filter, one switch per channel.

Phase Invert Switch

Inverts the phase at the output, one switch per output.

x1 / x10 Switch

Multiplies the low-high(mono: low/mid and high/mid) crossover frequency range of the front-panel markings by a factor of 1 or 10, one switch per channel.

Mode Switch

Selects stereo/mono and 2/3/4-way operation

LF Sum Switch

Selects normal (stereo) or mono-summed low frequency operation and disables Ch 2’s low output phase invert LED to indicate that this output is not operational in the LF sum mode.


Stereo Operation (Green); Mono Operation (Yellow); Low Cut (Red-per channel); x10 (Green-per channel); Phase Invert (Red-per output)

Operating Voltage

100-120 VAC 50/60Hz; 120 VAC 60Hz 230 VAC 50/60Hz

Operating Temperature

32°F to 113°F (0°C to 45°C)

Power Consumption


Power Connector

IEC receptacle


4.4cm x 48.3cm x 17.5cm

Shipping Weight

2.6 kg


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