About This

• Passive Preamp/Speaker Volume Controller: It needs no external power supply to work--plug and play.
• Small Body: Ultra-compact controller, made of solid durable metal housing, is space-saving, easy to carry.
• High Sound Quality: Stable, lossless transmission ensures pure, sound with no noise.
• Easy Control: Front panel has switch to select fully-balanced or single-ended input/output; back has RCA & XLR interface.
• Wide Application: The device can connect with audio equipment that has no adjustment, very suitable for stereo system.