Northeast Frontier Railway

Northeast Frontier Railway has published Supply Of supply, installation, testing & commissioning of 7000w rms dual channel class-d digital power lifier with switch power technology for power electricity saving, , supply, installation, testing & commissioning of 7000w rms dual channel class-d digital po wer amplifier with switch power technology for power electricity saving, separate pfc design for highest re liability, separate power supply system. amplifier shall have following features: 7000w rmsper channel, amplifier output100v, supply input ac 220 +/-10% - 50/60hz, short circuit, power, temperature, overload protection, auto cooling fans.thd <0.1%, frequency response 40hz - 20khz, ac &dc fuse, snr >80db. [ warranty period: 30 months after the date of delivery ] ]. Last date of submission for this tender is 2026-08-25. This is a Switch Supply tender in Katihar, Bihar