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DBX 234XS Crossover

Dual channel, stereo 2/3-way or mono 4-way crossover


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  • DBX-234XS
  • DBX-234XS
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Product Description for the DBX 234XS Crossover

The 234xs from dbx is a dual channel, stereo 2/3-way or mono 4-way crossover. A crossover is essential for efficient PA operation because it filters the full band input signal into specific frequencies that match a speaker's optimum frequency-reproduction range. This leaves the amplifier free to use its full power on the usable signal, eliminating distortion and delivering clear sound.

The unit features Linkwitz-Riley 24dB per octave filters, independent output gain controls for level matching, output phase inversion, 40Hz low cut filter, and optional mono summing of the low frequency (subwoofer) output. Quality components and meticulous attention to detail offers exceptional sound and rugged reliability, while exuding great precision from the solid "click" controls to the high quality 1/4" TRS inputs and outputs.


Stereo 2/3-way, mono 4-way crossover
Mode switch for stereo 2/3-way or mono 4-way operation
24dB per octave Linkwitz-Riley filters
Low frequency summed (subwoofer) output
Range switch on both channels (x10)
40Hz high-pass (low-cut) filter on both channels
Phase reverse switch on all outputs
Individual level controls on all outputs
Stereo/Mono status LEDs indicate the selected mode
1/4" TRS differentially balanced ins and outs
CSA NRTL/C approved and CE compliant

Filter TypeLinkwitz-Riley, 24 dB/octave, state-variable
Operating ModesStereo 2/3-way, switchable to mono 4-way
Crossover FrequenciesStereo Mode - Low/High: 45 to 960Hz or 450Hz to 9.6kHz (x10 setting)
Stereo Mode - Low/Mid: 45 to 960Hz or 450Hz to 9.6kHz (x10 setting)
Stereo Mode - Mid/High: 450Hz to 9.6kHz
Mono Mode - Low/Mid: 45 to 960Hz or 450Hz to 9.6kHz (x10 setting)
Mono Mode - Mid/High: 45 to 960Hz or 450Hz to 9.6kHz (x10 setting)
Mono Mode - High-Mid/High: 450Hz to 9.6kHz

Electronically balanced/unbalanced, RF filtered

2 x 1/4" TRS phone
Input Impedance50kΩ balanced, 25kΩ unbalanced
Maximum Input Level>+22dBu balanced or unbalanced

Electronically balanced/unbalanced, RF filtered

6 x 1/4" TRS phone
Output Impedance200Ω balanced, 100Ω unbalanced
Maximum Output Level>+21dBu balanced/unbalanced into 2kΩ or greater
Frequency ResponseFR: <3Hz to >90kHz, +0/-3.0dB
Bandwidth: 20Hz to 20kHz, +0/-0.5dB
Dynamic Range>106dB unweighted, any output
NoiseSNR ref: +4dBu, 22kHz measurement bandwidth
Stereo Mode:
>94dB (low output)
>93dB (mid output)
>90dB (high output)
Mono Mode:
>94dB (low output)
>94dB (low/mid output)
>92dB (high/mid output)
>88dB (high output)
THD + N<0.004% @ +4dBu, 1kHz
<0.04% @ +20dBu, 1kHz
Crosstalk<-80dB, 20Hz to 20kHz
CMRR>40dB, typically >55dB @ 1kHz
SwitchesLow Cut (front panel)
Phase Invert (front panel)
x10 (rear panel)
Mode (rear panel)
LF sum (rear panel)
IndicatorsStereo Operation
Mono Operation
Low Cut
Phase Invert
Operating Temperature32°F to 113°F (0°C to 45°C)
Power Requirements100VAC~50/60Hz, 120VAC~60Hz
15W power consumption
Dimensions (WxHxD)19 x 6.9 x 1.75" (483 x 175 x 45mm)
Weight4.0 lb (1.8kg)
Brand DBX
Weight 5.8000
Dimensions (WxHxD) 19 x 6.9 x 1.75" (483 x 175 x 45mm)

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