This ultra-compact 2-channel hum destroyer may be small in size, but there is nothing lacking in its performance. This super-compact solution removes AC hum and noise quickly, easily and reliably. Ground loops are safely broken while the highest sonic quality is maintained.

Plus, the HD400 automatically converts unbalanced signals into balanced without any signal loss. The unit carries two 1/4' TRS inputs and outputs for 2 mono or 1 stereo signal.

Features:

• Removes AC hum and noise - fast, easy and reliable
  
• Breaks ground loops safely, while keeping highest sonic quality
• Automatically converts unbalanced to balanced signals without any signal loss
• Two 1/4' TRS inputs and outputs for 2 mono or 1 stereo signal
• High-quality components and exceptionally rugged construction ensure long life