HPA-4 Four-Channel Headphone Amplifier / Line Distributer


Out of stock here. Check your local dealer

SKU: HPA-4 Categories: ,


  • Four totally independent stereo high-power headphone amplifier/line distribution channels in a convenient single rack package
  • Easy-to-operate unit allows maximum variety of monitoring and stereo line level signal distribution options
  • Input source select switches and Phone and Line ¼” TRS stereo outputs on each channel
  • Four independent stereo input sections (each with servo-balanced L/R ¼” TRS jacks) enable independent selection of any of the four stereo signals for each headphone amp/line distribution channel
  • Selection of up to four completely independent monitor signals for each set of headphones connected to the HPA-4 allows optimum monitoring flexibility, or four separate choices for each channel’s Line Output (enabling many 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-4s 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 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
California customers: Proposition 65 WARNING