Pro Co Sound DB4A Direct Box


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SKU: 1074371-J25 | MPN: DB4A
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The DB4A from Pro Co Sound is a 4-channel professional-quality passive direct box is for connecting unbalanced musical instruments and line-level sources to low-Z balanced microphone inputs for PA or recording.
Each channel features one front-panel and two rear-panel 1/4″ (6.35mm) jacks for input or parallel output, switches for line-level attenuation and ground lift, and front-panel male XLR-type output.
The DB-4 uses Pro Co DBT-1 transformers (20k/150 ohm).
  • Passive Design Requires No Batteries or Phantom Power
  • Flush-mounted Switches and Connectors Resist Damage
  • Rack-mounted “Uni-box” Construction for Superior Protection and Shielding
  • GND/LIFT Switch Eliminates Hum and Buzz
  • LINT Mode Handles Signals to +34 dBv
  • 3 IN/OUT Jacks per Channel for Convenient Loop-Thru
  • 4 Independent Channels for 4 Keyboards, Drum Machine Outputs, etc.
  • Floating Transformer-Balanced XLR Output for Maximum Isolation
Removed from corporate working environment.
Weight: 10lbs
Dimensions: 20x5x2
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Additional information
Weight 10 lbs
Dimensions 22 × 10 × 6 in