The XO-23 from Marathon is a professional-quality rackmount crossover that provides precise low, high, and subwoofer controls for a stereo system. Each of the 2 channels features separate knobs for low and high gain control, as well as a crossover frequency selector knob, a 30Hz low cut filter, and a phase reverse switch. The subwoofer channel also offers frequency selection and gain control and a 30Hz low cut filter. The unit features XLR and 1/4" I/O connectors for compatibility with a wide variety of audio components and systems.
 Features
 - Each channel has separate knobs for low and high gain control
 - Separate subwoofer gain control
 - Individual crossover frequency selector knobs for high, low, and subwoofer
 - 30Hz low cut filters for high, low, and subwoofer
 - Individual phase reverse switches on channels 1 and 2
 - XLR and 1/4" I/O connectors for compatibility with a wide variety of audio components and systems
 
Specifications
 - Filter Type: 2-Band
 - Operating Modes: Stereo
 - Crossover Frequencies
 - Subwoofer: 50 - 250Hz
 - Low/High: 480Hz - 7kHz
 - Gain Range: -24 to +10dB
 - Controls
 - 1 x Power Switch
 - 3 x Crossover Frequency Knobs
 - 2 x High Gain Knobs
 - 2 x Low Gain Knobs
 - 1 x Subwoofer Gain Knob
 - 3 x Low Cut Switches
 - 2 x Phase Switches
 - Connectors
 - 3 x XLR/TRS Combo Inputs
 - 3 x XLR/TRS Combo Outputs
 - Maximum Input Level: Not Specified by Manufacturer
 - Maximum Output Level: Not Specified by Manufacturer
 - Frequency Response: 20Hz - 25kHz (+0/-1dB)
 - Signal to Noise Ratio: > -80dB
 - Total Harmonic Distortion (THD): 0.05%
 - Power: 100-240VAC, 50/60Hz, Selectable
 - Dimensions (WxDxH): 19 x 5.75 x 1.73" (483 x 146 x 44mm)
 - Weight: 4 lbs (1.8kg)