DBX 234 XL Active Crossover Professional Stereo 2/3/4 Way Mono 4 Way DJ System. ? Accurate Frequency Crossover Function. Splits audio signals into different frequency ranges neatly to deliver crisp sound. Optimizes your PA system and expands dynamic range for richer audio performance. ? Low Distortion & Boosted Speaker Efficiency. Well-tuned circuit design minimizes audio distortion. It raises speaker working efficiency and restores authentic sound quality for professional use. ? Independent Gain Control & Phase Reverse Switch. Every channel supports separate gain adjustment. The phase inversion switch fixes phase offset, cuts sound interference and improves sound field effect. ? Balanced XLR Input & Output Connectors. Standard XLR balanced ports reduce noise during signal transmission. Built-in overload protection safeguards your connected audio equipment. ? Reliable Professional Audio Specifications. Features flat 20Hz-20kHz frequency response, distortion under 0.004% and over 114dB dynamic range. Stereo and mono modes available for various professional sound setups. Bandwidth: 20Hz-20kHz, +0/-0.5dB. Signal to noise ratio: +4dBu, 22kHz measurement bandwidth. Low frequency output: >94dB >94dB. High frequency output: >92dB >92dB. Stereo mode and mono mode. Intermediate frequency output: >93dB. Dynamic range: >114dB, unweighted. Channel cross talk. 1DBX 234 XL Active Crossover. Please refer to the size to allow for small measurement errors within the normal range. Due to display, camera or other factors, may cause some color differences, please refer to the actual project. Our warehouse is located in UK. We make sure everything we do honors that connection – from our commitment to the highest quality items we can achieve, to the way we engage with our customers and communities to do business responsibly.