The Zapco ASP-X4 is a flexible, high-performance crossover module designed for sophisticated audio systems. With modes for 2-, 3-, or 4-way configurations, adjustable filter slopes, and a high-voltage 9.5V line driver, it delivers clean, precise signal routing and excellent compatibility with amplifiers and DSPs. Great for advanced installs where crossover control is essential.
• Model: ASP-X4
• Type: Multi-mode electronic crossover + built-in 9.5V line driver
• Modes: 2-way, 3-way, or 4-way crossover selectable
• Output Voltage: Up to 9.5 V RMS
• Inputs: Stereo RCA (L + R)
• Outputs: Up to four RCA outputs (for full multichannel setups)
• Controls & Features:
• Adjustable crossover frequencies (HPF / LPF) per channel
• Selectable slope configurations (6 / 12 / 18 / 24 / 36 / 48 dB/octave)
• Phase control options (0° / 180°)
• Variable input gain & output trims per channel
• Frequency Response: 10 Hz – 30,000 Hz ±1 dB
• Signal-to-Noise Ratio: > 110 dB
• Total Harmonic Distortion (THD): < 0.01%
• Construction: Rigid aluminum chassis, shielded internal layout
• Connectors: Gold-plated RCA input / output jacks
• Power Supply: 12V DC
• Dimensions: approx. 7.5″ × 1.25″ × 4.25″