※ high-grade aluminum 2U black drawing panel, nice; ※ four-channel power independent output; ※ equipped with 100V, 70V constant pressure output and 4 ~ 16Ω constant resistance output; ※ four-channel output volume can be adjusted independently; ※ 2-cell LED level display per channel; ※ has a perfect output short circuit protection and over-temperature protection; ※ cooling fan temperature control start;
