Project requirements Background music equipment material details 1 CNC tape player 1 2 Digital tuner 3 CNC CD player 4 MP3 digital player 5 Bell microphone 2 CHO 6 U-segment wireless microphone 7 8-inch screen intelligent broadcast control 1 CHO 8 Intelligent broadcast host DB-88039 1 CHO 9 Digital main/standby power amplifier switcher 2 CHO 10 Preamplifier BD-88242 2 CHO 11 Power sequencer 2 CHO 12 Digital equalizer/crimper 13 240V/1500W Pure power amplifier 14 4-way broadcast arrester DB-88234 3 CHO 15 Broadcast monitor DB-88221 1 CHO 16 240V/90W outdoor double-sided waterproof sound column 17 Standard 2-meter broadcast cabinet 18 Sheathed double-core broadcast cable RVV2*1MM2 meters 200 GB 19 sheathed two-core broadcast cable RVV2*2MM3 meters 1200 GB 20 sheathed two-core broadcast cable RVV2*3MM4 meters 5100 GB 21 sheathed two-core broadcast cable RVV2*4MM5 meters 8700 GB 22 speaker anti-theft cover see Figure 100 23 2-inch rigid plastic pipe for threading pipe 100 meters per meter National standard 24 150 meters for 6-inch hard plastic pipe for threading pipe National standard Note: The supply includes installation. Note: 1. The above product brands and models are for reference only. 2. However, the main technical performance of the products invested by the supplier shall not be lower than the main technical performance of the reference brand for this project. 3. The overall brand range of the invested products shall not exceed two or more.