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Searched in section "Surround speakers"
you save: 119,43 € 638,83 €
03 460 | SP 632 + JPM 2032WB set of speakers and amplifier with s Bluetooth, Wifi, LAN, USB and IR
80 / 160 W, 8 Ω, 88 dB, max. SPL 107 dB, 80 – 16,000 Hz, console, 6″ bass and two 3″ midrange spks., wider directivity 140 × 160 °, bass reflex, quality sound, modern appearance, amplifier – D class, fully digital, processor-controlled, USB, Bluetooth, WiFi, Lan, Smart Audio technology: Internet radios, podcasts, playback from the local network, from the Internet, smartphone, tablet, computer, DLNA, AirPlay, UpnP, streaming applications, sw. equalizer, limiter, remote control
Suitable for: home sound system, restaurants, bars, smaller public spaces, commercial interiors, shops, high-quality sound system with rich playback comfort
you save: 194,92 € 758,69 €
03 304 | SD 402 + SUB 1201A set of black speakers and subwoofer
luxury, piano shiny paint, 4 passive speakers 30 / 50 W, 89 dB, 80 – 20 000 Hz, HiFi, 4″ polypropylene woofer, 1″ textile dome tweeter, active subwoofer 250 / 400 W, 25 – 400 Hz, volume control, crossover, phase invert, auto switching
Suitable for: rooms, home offices, hi-fi, home cinema, commercial interiors, shops, bars, restaurants
Searched in section "Subwoofers"
08 054 | SUB 1201A active subwoofer
12″ speaker, bass reflex, 250 / 400 W, 25 – 400 Hz, volume control, crossover, phase invert, auto switching, piano paint, luxury, quality sound
Suitable for: sound apartments, restaurants, shops, hi-fi, home cinema
Searched in section "Speakers"
you save: 337,16 € 1 357,97 €
17 931 | 2× BCW 1500 + DAH 1700 speakers set
two passive speakers – subwoofers, 2× 500 W / 123 dB, powerful amplifier, cables
Suitable for: sounding bands, musicians, music clubs, restaurants, conference and speaker applications
you save: 370,02 € 1 318,02 €
17 930 | 2× BC 1200 + DAH 800 + DMC 2220 + MBD 840 + MD 510 speakers set
two passive speakers, 2×300W / 121 dB, amplifier, microphone, wireless microphone, mixing console and cabling
Suitable for: sounding bands, musicians, music clubs, restaurants, conference and speaker applications
you save: 306,46 € 1 118,26 €
17 928 | 2 BC 1000 + MBD 840 + MD 510 + DMC 2220 speakers set with microphones
two active speakers, 2×120W / 116 dB, microphone, wireless microphone, mixing console, stands and cabling
Suitable for: sounding bands, musicians, music clubs, restaurants, conference and speaker applications
you save: 222,11 € 878,55 €
17 927 | 2× BC 800A + MBD 840 + MD 510 speakers set with microphones
two active speakers, 2×120W / 113 dB, microphone, wireless hand microphone, stands and cabling
Suitable for: sounding bands, musicians, music clubs, restaurants, conference and speaker applications
17 911 | BC 1000 professional speaker box passive
250 / 500 W, 8 Ω, 119 dB SPL max, 50 – 20 000 Hz, 10″ bass. spk., 34 mm driver, passive
Suitable for: sounding bands, musicians, music clubs, restaurants, conference and speaker applications
17 915 | BC 1000A professional speaker box active
120 / 200 W, 116 dB SPL max, 50 – 20 000 Hz, 10″ bass. spk., 25 mm driver, active
Suitable for: sounding bands, musicians, music clubs, restaurants, conference and speaker applications
17 912 | BC 1200 professional speaker box passive
300 / 550 W, 8 Ω, 121 dB SPL max, 40 – 20 000 Hz, 12″ bass. spk., 44 mm driver, passive
Suitable for: sounding bands, musicians, music clubs, restaurants, conference and speaker applications
17 916 | BC 1200A professional speaker box active
300 / 500 W, 121 dB SPL max, 40 – 20 000 Hz, 12″ bass. spk., 44 mm driver, active
Suitable for: sounding bands, musicians, music clubs, restaurants, conference and speaker applications
17 913 | BC 1500 professional speaker box passive
300 / 550 W, 8 Ω, 122 dB SPL max, 35 – 20 000 Hz, 15″ bass. spk., 44 mm driver, passive
Suitable for: sounding bands, musicians, music clubs, restaurants, conference and speaker applications
you save: 15,98 € 179,38 €
17 910 | BC 800 professional speaker box passive
100 / 300 W, 8 Ω, 112 dB SPL max, 60 – 20 000 Hz, 8″ bass. spk., 34 mm driver, passive
Suitable for: sounding bands, musicians, music clubs, restaurants, conference and speaker applications
17 914 | BC 800A professional speaker box active
120 / 200 W, 113 dB SPL max, 60 – 20 000 Hz, 8″ bass. spk., 25 mm driver, active
Suitable for: sounding bands, musicians, music clubs, restaurants, conference and speaker applications
17 918 | BCW 1500 professional subwoofer passive
500 / 800 W, 123 dB SPL max, 35 – 2 000 Hz, 15″ bass. spk., passive subwoofer
Suitable for: sounding bands, musicians, music clubs, restaurants, conference and speaker applications
17 919 | BCW 1500A professional subwoofer active
400 / 700 W, 122 dB SPL max, 40 – (80 – 250) Hz, 15″ bass. spk., active subwoofer
Suitable for: sounding bands, musicians, music clubs, restaurants, conference and speaker applications
Searched in section "Amplifiers"
you save: 159,77 € 598,88 €
27 041 | DAH 1700 amplifier with low distortion
2 × 600 W RMS / 8 Ω, 2 × 1000 W / 4 Ω, 1 × 1700 W / 8 Ω, class H, 20 – 20 000 Hz, S/N 100 dB, low distortion <0,03 %, 16 kg
Suitable for: sounding bands, musicians, music clubs, restaurants, conference and speaker applications
27 040 | DAH 800 amplifier with low distortion
2 × 300 W RMS / 8 Ω, 2 × 500 W / 4 Ω, 1 × 800 W / 8 Ω, class H, 20 – 20 000 Hz, S/N 100 dB, low distortion <0,03 %, 13 kg
Suitable for: sounding bands, musicians, music clubs, restaurants, conference and speaker applications
27 033 | DAC 2000 amplifier with low distortion
2 × 600 W RMS / 8 Ω, 2 × 1000 W / 4 Ω, 2 × 500 W / 2 Ω, 1 × 2 000 W / 8 Ω, class H, 20 – 20 000 Hz, S/N 108 dB, low distortion <0,05 %, 18 kg
Suitable for: sounding bands, musicians, music clubs, restaurants, conference and speaker applications
Searched in section "Mp3, CD, DVD players"
27 940 | MP 103USB CD/MP3 player
pitch ± 16%, seamless looping, analog and digital SPDIF outputs, immediate start and stutter start with stutter points, Reverse a Brake, Auto BPM Counter, antishock
Suitable for: DJ, music clubs, discos, restaurants, fitness
Searched in section "Speaker boxes"
03 433 | SP 842 speaker with handle white
40 W / 100 V, 60 W / 8 Ω, 92 dB, 45 – 20,000 Hz, switch, joint holder, 8″ polypropylene woofer, 25 mm tweeter with textile dome, waterproof, protection IP 65
Suitable for: sounding commercial interiors, shops, restaurants, cultural and congress halls, gymnasiums, as well as exteriors, outdoor areas, sports fields and terraces using on-wall installation
03 431 | SP 642 speaker with handle black
30 W / 100 V, 40 W / 8 Ω, 90 dB, 60 – 20,000 Hz, switch, joint holder, 6,5″ polypropylene woofer, 25 mm tweeter with textile dome, waterproof, protection IP 65
Suitable for: sounding commercial and domestic interiors, shops, restaurants, offices, administrative spaces, wellness, and exteriors, terraces and pergolas using on-wall installation
03 432 | SP 642 speaker with handle white
30 W / 100 V, 40 W / 8 Ω, 90 dB, 60 – 20,000 Hz, switch, joint holder, 6,5″ polypropylene woofer, 25 mm tweeter with textile dome, waterproof, protection IP 65
Suitable for: sounding commercial and domestic interiors, shops, restaurants, offices, administrative spaces, wellness, and exteriors, terraces and pergolas using on-wall installation
03 429 | SP 442 speaker with handle black
10 W / 100 V, 20 W / 8 Ω, 88 dB, 75 – 20,000 Hz, switch, joint holder, 4″ polypropylene woofer, 13 mm tweeter with textile dome, waterproof, protection IP 65
Suitable for: sounding commercial and domestic interiors, shops, restaurants, offices, administrative spaces, wellness, and exteriors, terraces and pergolas using on-wall installation
03 430 | SP 442 speaker with handle white
10 W / 100 V, 20 W / 8 Ω, 88 dB, 75 – 20,000 Hz, switch, joint holder, 4″ polypropylene woofer, 13 mm tweeter with textile dome, waterproof, protection IP 65
Suitable for: sounding commercial and domestic interiors, shops, restaurants, offices, administrative spaces, wellness, and exteriors, terraces and pergolas using on-wall installation
03 458 | SP 622 speaker with handle black
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
Suitable for: for sounding commercial and domestic interiors, shops, restaurants, offices, administrative spaces, wellness, and exteriors, terraces and pergolas using on-wall installation
you save: 39,94 € 179,38 € / pair
03 436 | SP 402EK speaker with handle white
30 W / 8 Ω, 30 W / 100 V, 89 dB, 75 – 20 000 Hz, console, economical
Suitable for: sound system for interiors and exteriors, guest houses, offices, restaurants, wall mounting for interiors
you save: 79,89 € 598,88 € / pair
03 457 | SP 1032 speaker with handle white
150 / 300 W, 8 Ω, 90 dB, max. SPL 112 dB, 40 – 20 000 Hz, console, 10″ bass and two 4″ midrange-tweeter speakers, wider directivity 120 × 120 °, bassreflex, quality sound, modern look
Suitable for: for sound of commercial and public interiors, restaurants (karaoke, dance and sports broadcasts), bars, fitness centers, conference rooms and halls
03 456 | SP 632 speaker with handle white
80 / 160 W, 8 Ω, 88 dB, max. SPL 107 dB, 80 – 16 000 Hz, console, 6″ bass and two 3″ midrange-tweeter speakers, wider directivity 140 × 160 °, bassreflex, quality sound, modern look
Suitable for: for sound of commercial and public interiors, restaurants (karaoke, dance and sports broadcasts), bars, fitness centers, conference rooms and halls
210033 | CT 552BTBS speaker with handle black evacuation
30 W / 100 V, 8 Ω, 89 dB, 80 – 20 000 Hz, handle, 5″ woofer, dome tweeter, non-fire plastic, EN 54–24 certified
Suitable for: wall installation in the interior, for sounding comercial places, restaurnts, bars, offices, administrative places, hotels, evacuation system
03 454 | SP 412 speaker with handle black
25 W / 100 V, 40 W / 8 Ω, 87 dB, 75 – 20 000 Hz, handle, 4″ polypropylene woofer, 20 mm textile dome tweeter
Suitable for: wall installation in the interior, for sounding commercial places, shops, restaurants, bars, offices, administrative places, hotels
03 455 | SP 412 speaker with handle white
25 W / 100 V, 40 W / 8 Ω, 87 dB, 75 – 20 000 Hz, handle, 4″ polypropylene woofer, 20 mm textile dome tweeter
Suitable for: wall installation in the interior, for sounding commercial places, shops, restaurants, bars, offices, administrative places, hotels
you save: 11,98 € 199,36 € / pair
03 453 | SP 512 speaker with handle white
30 W / 100 V, 50 W / 8 Ω, 88 dB, 60 – 20 000 Hz, handle, 5″ polypropylene woofer, 20 mm textille dome tweeter
Suitable for: wall installation in the interior, for sounding comercial places, restaurnts, bars, offices, administrative places, hotels
03 452 | SP 512 speaker with handle black
30 W / 100 V, 50 W / 8 Ω, 88 dB, 60 – 20 000 Hz, handle, 5″ polypropylene woofer, 20 mm textille dome tweeter
Suitable for: wall installation in the interior, for sounding comercial places, restaurnts, bars, offices, administrative places, hotels
you save: 55,91 € 251,30 € / pair
03 447 | SP 812 speaker box with handle white
60 W rms / 100 V or 8 Ω, 90 dB, 45 – 20 000 Hz, power switch, 8″ woofer, 50 mm dome tweeter, hanging console, wetproof
Suitable for: sounding of commercial interiors, conference and concert centers, restaurants, offices, gyms, in the form of wall mounting
you save: 39,94 € 199,36 € / pair
03 440 | SP 402 speaker with handle white
40 W / 8 Ω, 40 W / 100 V, 88 dB, 75 – 20 000 Hz, console, hifi
Suitable for: wall installation in the interior
Searched in section "Ball speakers"
you save: 19,97 € 139,43 €
21 979 | RPT 90Z hanging speaker
20 W / 100 V, coaxial with tweeter, 75 – 20 000 Hz, 87 dB, wide directivity, dia. 220 × 270 mm, wet resistant
Suitable for: sound system for supermarkets, shops, restaurants and other places with a higher ceiling
Searched in section "Amplifiers, centrals"
you save: 119,89 € 1 597,68 €
27 798 | JPA 6240 amplifier central with internet radio
different signals to different zones – routing, 6 zones, 6× 240 W, 4 universal and 3 safety inputs with automatic, priority, audio module with internal emergency message, MP3 player, SD + USB reader, FM tuner, Bluetooth, IR remote control, Smart Audio technology: WiFi, LAN, internet radio, playback from local network, internet, smartphone, tablet, computer, DLNA, AirPlay, UpnP, Spotify, I-Heart Radio, Napster, Deezer, any and free streaming applications, high efficiency, rich routing and control options
Suitable for: sounding guest houses, offices, restaurants and other interiors and exteriors with high comfort of both local and internet audio streaming
27 790 | MRS 4050 multiroom system with internet radio and streaming
different music to different zones, 4 stereo zones, each zone power 2× 50 W / 8 Ω, or 1× 100 W, digital concept, LAN, Smart Audio technology: Internet radios, playback from local network, from the Internet, smartphone, tablet, computer, DLNA, AirPlay, UpnP, Spotify, Tune-In, I-Heart Radio, Napster, Deezer, streaming applications, web control, synchronous Multiroom mode, inputs: USB, Line-In, optical S/PDIF TOS-Link, coaxial, for each zone and global too, analog and digital zone outputs for amplifier or subwoofer, presets, equalizers
Suitable for: sound system for a family home, restaurant, office, wellness center and other interiors and exteriors with the rich comfort of local and internet playback
Searched in section "Other devices and modules"
you save: 39,95 € 159,41 €
27 799 | JPA 6120C local controller with inputs
local controller for background music selection and inputting the local audio signal, LED display, volume control, Mic and Line input, local Bluetooth connectivity, connection with amplifier central or microphone via UTP cable
Suitable for: connection to JPA 6120, JPA 6240, PA 120, sound system of offices, conference and wellness centers, hotels, restaurants and other interiors and exteriors
19 500 | InStore Rádio Lite streaming music service
continuous stream of varied music, choosing from several of fixed streams, without the need for updates, unified volume of songs, the possibility of significant savings on copyright charges, web administration, unmanned system with planning and logging, easy activation in IP sound system
Suitable for: shops, supermarkets, restaurants, offices, entertainment and wellness centers, chains and a network of branches
19 501 | InStore Rádio Full streaming music and commercials service
continuous stream of varied music, customized stream(s), without the need for updates, unified volume of songs, the possibility of significant savings on copyright charges, commercials and jingles scheduling, web administration, unmanned system with planning and logging, easy activation in IP sound system
Suitable for: shops, supermarkets, restaurants, offices, entertainment and wellness centers, chains and a network of branches
Searched in section "Amplifiers, players"
you save: 119,83 € 718,74 €
27 935 | MRP 9200 on-wall player with amplifier and smart home control
2× 20 W (one stereo zone), 8" display, rotary controller with backlight and own display, Tuya / Zigbee communication gateway for wireless connection with smart home peripherals, control of peripherals, scenarios, smart home automation, software equalizer, multimedia player for images, music and videos (VLC Player, Snap Tube) from SD card, USB, LAN and Internet, Internet radios and podcasts (Spotify, Play CZ, Online Radio Box), Bluetooth, AUX input, line output to subwoofer, or ext. amplifier, WiFi, LAN, ready for DLNA / UpNP, AirPlay, alarm clock, calendar, open Android system, 2 additional power outputs for devices, power supply directly from 230 V
Suitable for: sound home offices, bathrooms, rooms, offices, small shops and restaurants, wellness
you save: 15,95 € 239,31 €
27 933 | MRP 4170 on-wall player with amplifier
2× 17 W, 4 speaker outputs, touch screen, Class D amplifier, music and video player from SD card and micro USB-B, FM tuner, Bluetooth, AUX input, equalizer, auto play, auto turn-on announcement, scheduler, alarm clock, door bell, power supply directly from 230 V, elegant design
Suitable for: sound bathrooms, kitchen, rooms, terrace, office, small shop or restaurant, as well as the sound source and signal amplification
you save: 399,42 € 319,22 €
27 932 | MRP 8200WM on-wall player with amplifier, 8 outputs and wireless microphones
4× 20 W (two stereo zones), 8 speaker outputs, different music in each zone, 7“ display, wireless hand and heatset microphone, software equalizers, multimedia player of pictures, music and videos (VLC Player, YouTube Vanced) from SD card, USB, Lan and internet, Internet radios and podcasts (Spotify, RadiaCZ, RadioBox), Bluetooth, AUX input, line outputs to subwoofers and ext. amplifiers, Wifi, alarm clock, calendar, DLNA / UpNP, AirPlay support (E-share), open Android system, power supply directly from 230 V lower quality – slow software with no option to update
Suitable for: sound home offices, bathrooms, rooms, offices, conference room, small shops and restaurants, wellness
you save: 79,92 € 558,93 €
27 931 | MRP 8200 on-wall player with amplifier and 8 outputs
4× 20 W (two stereo zones), 8 speaker outputs, different music in each zone, 7“ display, software equalizers, multimedia player of pictures, music and videos (VLC Player, YouTube Vanced) from SD card, USB, Lan and internet, Internet radios and podcasts (Spotify, RadiaCZ, RadioBox), Bluetooth, AUX input, line outputs to subwoofers and ext. amplifiers, Wifi, alarm clock, calendar, DLNA / UpNP, AirPlay support (E-share), open Android system, power supply directly from 230 V
Suitable for: sound home offices, bathrooms, rooms, offices, small shops and restaurants, wellness
Searched in section "Desktop microphones"
you save: 39,94 € 199,36 €
27 905 | PA 120 paging microphone
local microphone for announcements, 6 zone selection, Aux input, indication of power on, connection, busy and zone selection, home zone auto-mute, gooseneck electret microphone, connection with amplifier central via UTP cable
Suitable for: connection to JPA 6120, JPA 6240, sound system of offices, conference and wellness centers, hotels, restaurants and other interiors and exteriors
Searched in section "Speaker systems"
21 961 | WA 420RC speaker system with handheld wireless microphone
25 / 70 W, 8″ speaker, accumulator, amplifier, mixer, Mp3 player, Bluetooth, FM tuner, wireless UHF handheld microphone, clear display, 3× input, priority function, recording, sw. equalizers, music sharing, sound processor, dynamic LED lighting
Suitable for: exercisers, fitness, celebrations, home parties, restaurants, conferences, teachers, school, seminars, training
you save: 119,84 € 518,98 €
21 960 | WA 480RC partybox, speaker system with hand and headset wireless microphone
80 / 200 W, 2× 10″ speakers, battery, amplifier, mix, Mp3 player, Bluetooth, FM tuner, wireless UHF handheld + headset microphone + bodypack transmitter, large clear display, 3× input, priority function, karaoke (vocal suppression), recording, Mega Bass, sw. equalizers, music sharing, sound processor, dynamic LED lights
Suitable for: exercisers, fitness, celebrations, home parties, restaurants, conferences, teachers, school, seminars, training
Articles
Searched in section "Trade referencies"
![](/katalog-obrazku/clanek-934/detail-titulni.jpg)
![](/katalog-obrazku/clanek-902/detail-titulni.jpg)
![](/katalog-obrazku/clanek-894/detail-titulni.jpg)
![](/katalog-obrazku/clanek-869/detail-titulni.jpg)
Restaurace ozvučená pomocí reproduktorů RPT 102, SP 412 a ústředny JPA 1186
Pavel Sršeň, Benešov
Výherce naši soutěže
![](/katalog-obrazku/clanek-545/detail-titulni.jpg)
![](/katalog-obrazku/clanek-471/detail-titulni.jpg)
SP 502, SP 412, SP 512, RPT 92 a JPA 1180 v Hotelu Hukvaldy
Holaň Radek, Ostrava – Mariánské Hory
Výherce naši soutěže
![](/katalog-obrazku/clanek-431/detail-titulni.jpg)
Searched in section "Sounding projects - interior"
![](/katalog-obrazku/clanek-800/detail-titulni.jpg)
Chytré bezdrátové ozvučení
Trendem jsou interiéry čisté, nepřeplácané. Chceme, aby ozvučení nejenom dobře hrálo, ale aby do interiéru dobře zapadlo. Mnohdy tak, že nesmí být vůbec vidět.
![](/katalog-obrazku/clanek-570/detail-titulni.jpg)
Ozvučení sítě prodejen, nebo sítě firemních poboček
Ozvučení sítě prodejen (např butiků, outletů, prodejen takřka všeho) a firemních poboček, doporučujeme řešit zcela digitálně po internetu.
![](/katalog-obrazku/clanek-344/detail-titulni.jpg)
Výběr ozvučení pro hotely a penziony
Současná praxe výběru ozvučení v hotelích a restauracích je taková, že se na ni vždy zapomíná a přitom je tak důležitá…
![](/katalog-obrazku/clanek-11/detail-titulni.jpg)
Ozvučení rozlehlých prostor ne 100 V způsobem
Ozvučení rozlehlých prostor, jako jsou velké restaurace, konferenční sály, kluby, bary, jídelny klade na sebe nárok…
![](/katalog-obrazku/clanek-10/detail-titulni.jpg)
Ozvučení malého baru s tanečním parketem
Jedná se o návrh pro menší bary s tanečním parketem, restaurace…
![](/katalog-obrazku/clanek-9/detail-titulni.jpg)
Ozvučení salónků a banketek
Potřebujete trvalé ozvučení menších prostor, které chcete pouštět i hlasitěji?
![](/katalog-obrazku/clanek-7/detail-titulni.jpg)
Ozvučení restaurace, pizzerie, baru či kavárny
To že příjemná hudební kulisa k jídlu a pití prospívá, je jasné, a proto nastává čas na kvalitnější ozvučení.
Searched in section "Sounding projects - exterior"
![](/katalog-obrazku/clanek-46/detail-titulni.jpg)
Ozvučení pro parkoviště a autobazary
Návrh ozvučení se týká parkoviště, které může být firemní, u prodejny, nebo u restaurace. Má komerční povahu.
![](/katalog-obrazku/clanek-45/detail-titulni.jpg)
Ozvučení zahrádky nebo terasy u restaurace
Hudební kulisa je pro posezení v restauraci téměř nepostradatelná. Možné problémy při ozvučení…
Searched in section "Construction - theory"
![](/katalog-obrazku/clanek-641/detail-titulni.jpg)
Bezdrátové provedení ozvučení
Aktivní reprosoustavy, rozhlasová ústředna, subwoofer, mixážní pult, zesilovač, hifi receiver, mp3 přehrávač, notebook, tablet, to vše nyní můžete velice snadno, do a z ozvučení připojit bezdrátově.
![](/katalog-obrazku/clanek-474/detail-titulni.jpg)
13 klamů u reproduktorů a reprosoustav pro plošné ozvučení a jak je objevit
Nevíte, podle čeho vybírat reproduktory a reprosoustavy pro plošné ozvučení? V tomto článku poukážeme na 13 základních problémů.
![](/katalog-obrazku/clanek-452/detail-titulni.jpg)
10 nebezpečí, které Vám mohou pokazit radost z nákupu rozhlasové ústředny, a jak se jim bránit
Dalo by se napsat rozhlasová ústředna a Rozhlasová Ústředna. Ano, tak veliký rozdíl může mezi nimi být a k neprospěchu uživatele, jsou tyto rozdíly skryty. Laik si je neuvědomuje a tak obvykle koupí, co se namane.
![](/katalog-obrazku/clanek-74/detail-titulni.jpg)
Konstrukce 100 V systémů
S postupným rozvojem profesionální ozvučovací techniky roste i podíl tzv. plošně ozvučovacích systémů, které můžeme…