The HA4700 is a multi-purpose headphone amplifier system for stage and studio applications. It offers four independent high-power amplifiers that can drive loads down to 8Ω. Each channel can be switched to operate as stereo or double mono . . .
With excellent specs, low cost and compact size (1/3 rack width), the HP4 from PreSonus is a great tool for project studios or live monitoring applications. The HP4 accepts unbalanced or balanced inputs or outputs (¼” TS/TRS). The . . .
Use the Rolls HA43 4-channel headphone amplifier when you need to expand or generate headphone channels. It has a ¼” stereo input, four volume controls, four ¼” stereo output jacks and is powered by an AC adapter (included). . . .