NADY HPA-4 4-Channel Earphone Amp/Line Supplier
4 independent stereo high-power headphone amp/line circulation channels; Single-rack plan; Easy-to-operate unit permits maximum variety of keeping an eye on & stereo line level signal circulation choices; Input source select switches & phone & line 1/4" TRS stereo outputs on each channel; 4 independent stereo input sections (each with servo-balanced L/R 1/4" TRS jacks) allow independent choice of any of the 4 stereo signals for each headphone amp/line circulation channel; Option of approximately 4 totally independent display signals for each set of headsets linked to the HPA-4 permits optimum tracking versatility or 4 separate selections for each channel's line output enabling numerous audio switching/routing solutions; Separate volume control for each channel adjusts the level to both phone & parallel line outputs; Easily expandable for optimum versatility in any application-up to 4 HPA-4s can be daisy-chained for additional totally selectable headphone/line circulation requirements; No-compromise circuit design, tight-tolerance components & low-noise, very linear amps for reference-quality, transparent audio with maximum headroom even at very high headphone volume levels; High-quality, rugged construction for maximum dependability; Shielded internal dual regulated power supply with 115V (60Hz)/ 230V (50Hz) select switch & merged IEC power cord port