DEXON | SPEAKERS AND SOUND DEVICES

40 W / 100 V, 40 W / 8 Ω, 94 dB, 65 – 20 000 Hz, handle, 6,5″ polypropylene woofer, 25 mm textile dome tweeter, waterproof, IP 66 rating

cheaply, reliably, anytime and, especially in several languages replaces traditional „human“ guide. 32 languages, 900 min of recording time, up to 950 voice files for each language, backlit keyboard, high intelligibility, recharging and uploading files to the headphones via WA 710RU

1× audio stereo input, 1× audio stereo output, decoding from 8 – 320 kb/s or encoding to 128 kb/s, delay 30 ms, operation in LAN and WAN, programmable each encoder task, indication of power supply and network operation

30 W / 100 V, 50 W / 8 Ω, 88 dB, 60 – 20 000 Hz, handle, 5″ polypropylene woofer, 20 mm textille dome tweeter

2 mono and 2 stereo inputs via XLR and Jack, 3 bands. correction, AUX, phantom voltage, 3 buses

plastic, high end, 80 W / 8 Ω, 91 dB, 38 – 20 000 Hz, with round and square front grill, moisture proof, dia. 308 or 302 × 302 mm, woven glass fiber cone, tweeter directing, adjustable tweeter attenuation, crossover

2× 20 W, efficient class D amplifier, handheld digital wireless microphone, Bluetooth, 1× MIC + 1× LINE input, PPT function – page turn of the presentation on the computer, laser pointer, two-band equalizer, automatic pairing, console, pair of speakers

digital audio signal transmission via optical cable (fiber singlemode SM), full duplex (one signal there and the other back), stereo, 24 b / 48 kHz D/A and A/D converters, separate transmission outside the LAN / WAN network, point to point , max. connection length 20 km, quality sound, very low noise (S/N ratio108 dB) and low latency 0.5 ms

book, speaker constructions and principles, its measurement, theory, speaker boxes, crossovers, speaker parts, construction DIY projects and drawings, connections, tables, materials, methods of public address sounding, public address sound projects, hard book cover, 414 pages