Radial ProDI Passive Mono Direct Box Features:

• Full-range, passive direct box
• Isolation transformer eliminates noise
• Very low harmonic and phase distortion
• Compact and rugged design
• Ideal for live sound and studio.
• Isolated XLR connector eliminates chassis ground potential
• Custom audio transformer on input provides 100% isolation to eliminate hum- and noise-causing ground loops, while maintaining signal integrity.
• Military-spec PC board, with full surface ground plane to reduce susceptibility to RF noise
• High-grade switches — long life, high cycle for reliable performance
• 14-gauge steel welded I-beam construction makes it virtually impossible to torque the PC board
• -15dB pad reduces the level going in from loud sources that could overload the circuit and cause distortion
• Book-end design creates a protective zone around the switches & connectors, indestructible 14-gauge steel construction
• Full no-slip rubber bottom pad provides mechanical isolation, electrical insulation and prevents unit from sliding around
• Balanced male XLR output connector, AES standard with pin-1 ground and pin-2 hot
• Lift switch lifts the ground to pin-1 on both channels.
• Heavy-duty baked enamel finish for excellent durability