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With extensive switching functions, extreme efficiency, and unmatched sound quality, the ultra-versatile HPA-4 is a universal 4-channel
multi-purpose headphone amplifier/line distribution system?perfect for the most demanding professional stage and studio applications.
? Four totally independent stereo high-power headphone amplifier/
line distribution channels in a convenient single rack package?
an ingenious, easy-to-operate unit allowing a maximum
variety of both useful monitoring and stereo line level signal distribution
options.
? Input Source Select switches and Phone and Line 1/4" TRS stereo
outputs on each channel, and 4 independent stereo input
sections (each with servo-balanced L & R 1/4"TRS jacks) enable
independent selection of any of the 4 stereo signals for
each headphone amp/line distribution channel. This allows selecting
from up to 4 completely independent monitor signals for
each set of headphones connected to the HPA-4 for optimum
monitoring flexibility or 4 separate choices for each channel?s
Line Output for enabling many useful, simple audio switching/
routing solutions.
? Separate Volume control for each channel adjusts the level to
both Phone and parallel Line outputs
? Easily expandable for optimum versatility in any application?up
to four HPA-4?s can be daisy chained for additional fully selectable
headphone/line distribution requirements
? No-compromise circuit design, stringently selected tight-tolerance
components and low-noise, extremely linear or amps for
reference-quality, transparent audio with maximum headroom
even at extremely high headphone volume levels
? High-quality, rugged construction for maximum reliability
? Shielded internal dual regulated power supply with
~115V(60Hz)/~230V(50Hz) select switch and fused IEC power
cord connector
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