Used Microamp HA400 HEADPHONE AMP Headphone Amp

Used MICROAMP HA400 Headphone Amp in great condition—perfect for boosting audio across up to four independent headphone outputs. Each channel features its own volume control, delivering clear, high-quality stereo sound. Compact and reliable, this amp supports input and output connections via 1/4" TRS jacks, with a wide frequency response for professional and home studio setups. Operates on 12V DC power and is ideal for monitoring applications with minimal noise and maximum clarity.