etender for procurement of digital interactive board and pa systems for the classrooms of college of the veterinary sciences and ah, rk nagar, west tripura during the year 2023-2024 , digital interactive board and pa systems :- , digital interactive board: size - 86’’ with 4k ultra high definition ( 3840 x 2160 ) @ 60 hz with oled display technology with 8 ms response time, 20 points ir multi touch interface, 3 hdmi, 4 usb, bare dimension of 1990 x 114 x 1201 mm with <320 w power consumption, build in android 8.0 with < 3 gb ram and < 32 gb rom with ops < i5 or i7 8 gb ram and 1 tb ssd, built in wifi, warranty period:- 2 years from the date of installation. , pa systems: pa mixer amplifier / mixer channel with digital effect 9 channel, 80w rms / 110w max, power output- 11ow rms max, 80w rms at 10% thd, 7sw rms at 5% thd, 60w rms at 2% thd, input channels: 5 x mic. 0.065mv / 4.7k, 2 x aux 100mv / 470 k, frequency response: 65-15000 hz + 3db, mono / stereo output, high quality speaker for classroom / conference room. mic input socket for 3rd party mic integration. high quality uhf band frequency duet wireless microphone system. individual channel output with level control & mix output. collar mic, display on transmitter & receiver for frequency indication. two microphones can be used at the same time. each set must consists of one handheld & one lapel microphone. warranty period:- 2 years from the date of installation. note: pa system should be compatible with interactive board