Yamaha HS5 Powered Studio Audio Monitor (White, 2-Pack) with Two 25' XLR Cables and Two Studio Monitor Stands 2-way bass-reflex bi-amplified nearfield studio monitor with 5 54Hz - 30kHz frequency response 45W LF plus 25W HF bi-amp system for high-performance 70W power amplification ROOM CONTROL and HIGH TRIM response controls XLR and TRS phone jack inputs accept balanced or unbalanced signals