Package Includes: (1) DBX 234XS Professional Crossover with 2 way, 3 Way, 4 Way, or Mono Operation (1) Audio Technica ATH-PRO7X Professional On-Ear DJ Headphones w/ 45mm DriversFeatures of 234XS: dbx 234XS Rack Mount Stereo 2/3/4-Way Crossover Pro Audio Sound Processor/XLR XLR 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 Specifications: Input: Connectors: XLR Type: Electronically balanced/unbalanced, RF filtered Impedance: Balanced >50k ohm, unbalanced >25k ohm Max Input Level: >+21dBu balanced or unbalanced CMRR: >40dB, typically >50dB at 1kHz Outputs: Connectors: XLR Type: Electronically-balanaced/unbalanced, RF filtered Impedance: Balanced 60 ohm, unbalanced 300 ohm Max Output Level: >+20dBu balanced/unbalanced into 600 ohms or greater System Performance: Bandwidth: 20Hz to 20kHz, +/-0.5dB Frequency Response: < 3 Hz to > 90 kHz, +0/-3 dB Signal-to-Noise: Ref: +4 dBu, 22 kHz measurement bandwidth Stereo Mode: >94dB (Low Output) >93dB (Mid Output) >90dB (High Output)Click here for the Owner's ManualDescription of ATH-PRO7X: The ATH-PRO7X professional DJ headphones combine the comfort and low-profilestyle of an on-ear design with powerful 45mm drivers capable of handling 2,000mW of input power. This combination gives DJs extremely accurate high-fidelityaudio reproduction – even at loud volumes – from a pair of headphones that areeasy to wear through even the longest gigs. The ATH-PRO7X headphones come with two interchangeable cables – a 3.9' - 9.8'coiled cable and 3.9' straight cable – that lock in place to ensure a secureconnection during active DJ use. The headphones are lightweight, but built tohold up under rough use. And the soft durable earpads and headband are designedto provide hours of listening comfort. Features: Audio Technica ATH-PRO7X Professional On-Ear DJ Headphones with 45mm Drivers Type: Closed-back Dynamic Magnet: Neodymium 45mm Large-aperture drivers reproduce ultra-expressive, detailed sound On-ear design with sleek, minimalist style Detachable locking cables – 3.9' - 9.8' coiled and 3.9' straight – ensure secureconnection during active DJ use Maximum input power of 2,000 mW enables distortion-free wide-range audioreproduction even at loud volumes Premium, soft, durable earpads can be worn comfortably for hours Easily replaceable headband cushion Lightweight, sturdy construction Frequency Response: 5 Hz - 40 kHz Maximum Input Power: 2,000 mW at 1 kHz Sensitivity: 100 dB Impedance: 37 Ohms Connector: 1/8\" stereo mini-plug Accessory Included: 1/4\" screw-on adapter Weight: 0.49 Lb. without cable and connector