(USED) Behringer Super-X Pro CX2310 Stereo 2-Way / Mono 3-Way Crossover with Subwoofer Output
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Behringer Super-X Pro CX2310 Stereo 2-Way / Mono 3-Way Crossover with Subwoofer Output
A professional-grade active crossover with 24dB/octave Linkwitz-Riley filters, an independently controlled subwoofer output, and per-band mute, level, and phase controls — built to protect your speakers and unlock the full potential of a multi-way PA system.
Who This Is For
An active crossover is the component that separates a PA system from a properly tuned PA system. Without one, full-range amplifiers are driving full-range speaker cabinets that were never designed to handle the entire spectrum equally well — woofers are working harder than they need to on high frequencies, tweeters are taking abuse from bass content, and the overall efficiency and clarity of the system suffers for it. The CX2310 solves that. Placed between the console outputs and the power amplifiers, it splits the audio into discrete frequency bands — lows to the subwoofers, mids and highs to the appropriate drivers — each with its own level, mute, and phase control. The independently adjustable subwoofer output is a standout practical feature, giving you a dedicated low-frequency output with its own frequency and level control completely separate from the main crossover configuration. This is the right piece of gear for anyone running a bi-amped or tri-amped live PA, adding a powered or passive subwoofer to an existing system, or building out a permanent installed sound rig that needs reliable, repeatable frequency management.
Key Highlights
- Stereo 2-way or mono 3-way operation — flexible for a wide range of PA configurations
- Additional mono subwoofer output with independent frequency control (10–235 Hz range) and level control
- Effectively functions as a stereo 2-way + mono 1-way, or mono 4-way crossover
- 24dB/octave Linkwitz-Riley state-variable filters for precise, phase-coherent frequency separation
- Absolutely flat summed amplitude response with zero phase difference at crossover points
- Individual output gain controls for all bands
- Individual output mute switches per band — essential for systematic troubleshooting and setup
- Individual phase reverse switches per output for instant polarity correction
- Switchable 25Hz low-cut subsonic filter on each input for low-frequency driver protection
- Servo-balanced, gold-plated XLR connectors on all inputs and outputs
- ALPS potentiometers for precision settings and repeatable adjustment
- Ultra-low-noise op amps and 1% metal film resistors for low thermal noise
- Illuminated switches for clear operation in dark stage and rack environments
- LED matrix display shows active operating mode at a glance
- Shielded toroidal mains transformer for minimal noise interference
- Single EIA rack space (1U)
Why You'll Love It
Features
The Linkwitz-Riley filter topology is the gold standard for active crossover design — it produces a perfectly flat amplitude response when the outputs are summed, meaning the crossover point itself introduces no peaks or dips into the combined response. The 24dB/octave slope keeps adjacent bands well-separated without the slow rolloff of shallower filter designs. The dedicated subwoofer output with its own independent frequency control effectively adds a fourth configurable band to what is already a three-way mono system.
Advantages
Per-band mute switches are a practical live sound tool that often gets overlooked in comparisons — being able to mute individual frequency bands during setup makes it significantly faster to verify that each amplifier and speaker cabinet is wired correctly and performing as expected. Phase reverse switches per output allow you to correct polarity mismatches between drivers or cabinets without rewiring, which is a real-world convenience in complex or permanently installed systems.
Benefits
A properly set crossover extends the life of your speaker components by keeping each driver operating within its intended frequency range — woofers no longer strain on high-frequency transients, and tweeters are protected from the excursion demands of bass content. System efficiency improves because each amplifier channel is working on a narrower frequency band, which also means better headroom and cleaner dynamic response at high output levels.
Great Fit For
- Sound operators adding a subwoofer to an existing stereo PA and needing a proper crossover point
- Live sound engineers building bi-amped or tri-amped systems with separate power amplifiers per band
- Houses of worship and small venues installing permanent front-of-house or monitor systems
- DJs who want to properly integrate a powered subwoofer with full-range tops
- Studio engineers who want to split signals across multiple amplifier and speaker configurations for mixing or tracking
- System integrators specifying cost-effective, proven crossover solutions for installed sound projects
How It Works in a System
The CX2310 connects between the main outputs of your mixing console and the inputs of your power amplifiers. In stereo 2-way mode, the unit splits the left and right channels into low and high bands, with each band feeding a separate amplifier channel — one for the woofers, one for the tweeters. The separate subwoofer output sums the low-frequency content from both channels into a mono signal and routes it to the subwoofer amplifier, with its own frequency point set independently of the main left/right crossover.
In mono 3-way mode, the unit operates on a single channel split into low, mid, and high bands — appropriate for mono FOH systems or dedicated monitor paths. Each band has its own level control and mute switch, making it straightforward to balance the relative volumes of each driver in the system or to isolate and verify individual amplifier paths during setup and troubleshooting.
The 25Hz subsonic filter on each input is a useful protective feature for systems where rumble, HVAC vibration, or stage movement could otherwise push low-frequency content into woofers that aren't designed for sub-20Hz operation.
As this is a used unit, contact us for details on its current condition. Call or text us at 814-371-5666.
Specifications
If you've been running a PA system without a dedicated crossover, or relying on the built-in crossover in a powered subwoofer to also filter the signal going to your mains, the CX2310 is the kind of upgrade that makes you wonder how you got by without it. Getting each driver operating in exactly the frequency range it was designed for — with independent level control per band — is one of those changes that improves the entire system, not just one part of it.
This is a used unit, so reach out if you'd like details on its current condition or want to talk through how it fits your specific rig. We're happy to help work through the specifics. Call or text us at 814-371-5666.