TOA AT-4120BQ-EB

• 8-step attenuation level control (+/- 3dB)
• Ergonomic control knob with better grip for easy turn
• 24VDC overriding relay with red LED indicator
• Terminal block for thicker diameter cable
• Clip-on face plate
• 2 / 3 / 4 wire system
• Surface or Flush mount
• Glossy Flnish in white