In September 2015, DSPPA intelligent broadcasting and RVS professional audio equipment were adopted in the procurement project of teaching equipment for migrant workers in xiazhuang street of chengyang
The signal source is equipped with intelligent broadcast system DSPPA MP - 9807 - c type CD/MP3 player and DSPPA CM - 10 type belt before playing music phone, core equipment adopts DSPPA MAG2120 intelligent radio host a, equipped with DSPPA MP9810R 1 partition paging microphone, announcer vociferate to each region, without affecting the other area of the normal play music. There are 5 sets of timing schemes. Each set of timing schemes has 500 timing points. The cycle is 7 days. Each timing point can control the selection of audio source, clock, internal MP3, external AM/FM, 4 power sources, external 4 peripheral sound sources (CD, tuner, cassette holder, MP3 program player). 5 sets of timing schemes can be easily switched. Have no common audio input, built-in MP3 player, an AM/FM radio, the machine air receiver input, all the way along the alarm signal input, a remote paging microphone signal input, twenty output audio matrix. The areas involved are classrooms, corridors and playgrounds. A total of 100 DSPPA 106II 10W wall mounted speakers were installed in 4 areas, each of which was driven by a DSPPA MP1000P 350W constant voltage amplifier. For the convenience of starting up, it is equipped with power timing device DSPPA MP9823S1 and cabinet, etc. Outdoor playground alone into a system, signal source is equipped with DSPPA MP - 9807 - c type CD/MP3 player and DSPPA CM - 10 with former play two phone and SYYP UR210 1 set of wireless microphone, the signal by DSPPA MP9811P preamplifier blend enlarge 1 MP3000 constant pressure type 1000 w power amplifier drive 6 DSPPA 358 high-power outdoor column. Due to the large number of equipment, for the convenience of starting up, equipped with power timing device DSPPA MP9823S1, and cabinets.
The multifunctional meeting room is 20 meters wide and 15 meters wide, which can meet the requirements of conference speech, audio amplification, video projection and curtain arrangement, and can perform large-scale professional performances. On both sides of the stage set up main speaker pair, choose BOVMVL HR - 215-15 "double bass, 700 w / 4 Ω all frequency professional speaker 2, only use ATOPA PA - 2700-2 x 700 w / 8 Ω, 2 x 1200 w / 4 Ω amplifier. Set up a pair of ultra-low sound box, choose the RVS RVS MR515B type 400 w / 8 Ω single 18 "low speakers, use ATOPA PA - 2500-2 x 500 w / 8 Ω, 2 x 800 w / 4 Ω amplifier. Facing the stage set 1 to return to send sound box, choose BOVMVL HR - 15 type single 15 "bass, 320 w / 8 Ω all frequency professional speakers, use ATOPA PA - 2500-2 x 500 w / 8 Ω, 2 x 800 w / 4 Ω amplifier. Rear setting auxiliary speaker pair used to fill the sound, choose BOVMVL HR - 15 type single 15 "bass, 320 w / 8 Ω all frequency professional speakers, use ATOPA PA - 2500-2 x 500 w / 8 Ω, 2 x 800 w / 4 Ω amplifier. The signal source is 1 PIONEER BDP3110 blu-ray DVD player and 6 SHIKAI sh-305 conference microphones. It is also equipped with 2 sets of wireless microphone held by both hands in the u-segment of SYYP ur-210. All kinds of audio signals are sent to RVS F1602 type 16 channel 2 modulator, the signal processing equipment is equipped with one RVS P290 feedback suppressor, one RVS P231 equalizer and one RVS P208 power supply timing device. VGA signals, such as desktop or laptop on site, are sent to the projector respectively through VGA matrix selection and switching. DVD audio signal via AV matrix switching audio to the tuning table, video to the projector.