Korena
Product detailSKU #1297873816392

dbx234s Stereo 2/3 Way Mono 4-Way Crossover

dbx
dbx 234s Stereo 2/3 Way Mono 4-Way Crossover
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Independent shopping perspective

The Korena take

Rack crossover that splits a signal into 2, 3, or 4 bands before the power amps. For anyone running a passive multi-amp PA or bi-amped setup.

dbx 234s Stereo 2/3 Way Mono 4-Way Crossover product detail
Product studydbx 234s Stereo 2/3 Way Mono 4-Way Crossover
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Alternate view

Strong match

Who this is for

  • Bi-amping or tri-amping a passive PA with separate power amps
  • Feeding a subwoofer its own amp channel with a proper split
  • Fixed installs where an outboard split beats a DSP box

Consider the trade-offs

When to look elsewhere

  • Powered speakers with built-in DSP crossovers — redundant
  • Anyone wanting EQ, delay, or limiting alongside the split
  • Guitarists — this is not a pedal or a tone shaper

What matters in use

The specifications, translated

Catalog numbers tell only part of the story. These are the details most likely to change how this product feels, sounds, or fits into a setup.

Detail 01

Linkwitz-Riley, 24 dB/octave

Steep split with bands staying in phase where they meet, so no dip or bump at the crossover point.

Detail 02

x10 switch

Multiplies the frequency dial by ten, so one knob covers 45–960 Hz or 450 Hz–9.6 kHz.

Detail 03

LF sum switch

Sums the lows to mono so one subwoofer amp handles both channels while mids and highs stay stereo.

Detail 04

40 Hz high-pass, 12 dB/octave

Cuts subsonic rumble and stage thump below the useful range, saving amp headroom and cone excursion.

Detail 05

Phase invert per output

Flips polarity on any single band, which fixes cancellation when a driver or cabinet is wired backwards.

Detail 06

1/4 inch TRS, balanced

Balanced runs to amps resist hum over distance, but you may need TRS-to-XLR cables for many amps.

Final check

Know before you order

  1. 01Needs one power amp channel per band per side — plan amp count first
  2. 02Set crossover points to your drivers' rated ranges or you will damage them
  3. 03Mains cable and rack screws aside, no interconnect cables are included

Product questions

Before you decide

Straight answers to the questions shoppers most often ask about this product.

01Can I use this with powered speakers?

Generally no. Powered speakers already crossover internally. This is for passive cabinets driven by separate power amps, one amp channel per frequency band.

02Does it have XLR connections?

Connections are 1/4 inch TRS, balanced. If your amps take XLR, use TRS-to-XLR cables.

03How many rack spaces does it take?

One. It is 1.75 inches tall and a full 19 inches wide, with 6.9 inches of depth behind the panel.

04What does mono 4-way mode do?

It uses both channels on one mono signal to create four bands — for example sub, low-mid, mid, and high, each to its own amp.

Reference

Full specifications

The complete catalog record, organized around the decisions musicians make when comparing gear.

1 detailsSound
Impedance
Balanced 200 ohm, unbalanced 100 ohm
1 detailsBody & build
Type
Impedance-balanced/unbalanced, RF filtered
4 detailsConnections & power
Connectors
1/4 inch TRS
Power Requirements
15W
Max Output Level
>+21dBu balanced/unbalanced into 2k or greater
Operating Voltage
100-120 VAC 50/60Hz; 120 VAC 60Hz 230 VAC 50/60Hz
3 detailsSize & weight
Bandwidth
20Hz to 20kHz, +0/-0.5dB
Weight
4
Dimensions
1.75 inch H X 6.9 inch D X 19 inch W (4.5cm x 17.5cm x 48.26cm)
15 detailsOther
Stereo Operation
Green LED
Mid High
450Hz to 9.6kHz (x10 setting)
Rear Panel
x10: Multiplies crossover frequency range by 10, one switch per channel
Dynamic Range
> 106 dB, unweighted, any output
Mode
Selects stereo/mono and 2/3/4-way operation
Phase Invert
Red LED per output (3 per channel)
Mono Operation
Yellow LED
Lf Sum
Selects normal (stereo) or mono-summed low frequency operation
Low Cut
Red LED per channel
Mono Mode
Low/Low-Mid 45 to 960 Hz or 450 Hz to 9.6 kHz (x10 setting)
Filter Type
Linkwitz-Riley, 24 dB/octave, state-variable
Signal to Noise
Ref: +4 dBu, 22 kHz measurement bandwidth
Operating Temperature
32F to 113F (0C to 45C)
Front Panel Low Cut
Activates 40Hz Butterworth, 12 dB/octave high-pass filter, one switch per channel
Stereo Mode
Low/High 45 to 960 Hz or 450 Hz to 9.6 kHz (x10 setting)

Complete your setup

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