KEY FEATURES Ultra-compact 9.5" headphone amplifier for studio and live applications 4 independent high-performance stereo amplifiers Two headphone outputs per channel on front and rear panel allow simultaneous connection of up to 8 headphones Highest sound quality with virtually all headphones, even at maximum volume Volume control with 6-digit LED output level meter per channel for accurate level control Two balanced stereo inputs with independent level and balance controls allow for individual mixes Input A and B are separately switchable in all 4 channels Precise 6-digit LED input level meter for accurate level control of both line inputs Several headphone amplifiers can be connected to each other via the parallel link output (cascadable) High-quality potentiometers and illuminated switches for long-term reliability Low-noise operational amplifiers for excellent sound quality High-quality components and extremely rugged construction guarantee long service life