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Reproduktor Vídeo de archivo Vídeo y clips de video HD - 123RF

Pumping hifi audio HD video of a bass speaker

a speaker cone pumping to the sound of the bass

Side view close up of a young Asian businesswoman standing at a lectern addressing the audience at a business seminar and pointing. The diverse audience are visible sitting and listening in the background

Multinational group of students in an auditorium

Happy asian teen girl student looking at camera webcamera making video call to distant friend or online teaching, smiling female teacher coach vlogger recording vlog speaking at webcam

Rear view of Asian female speaker speaks in a business seminar. Business people listening to her 4k

Professional microphone in sound recording studio for vocal recording or radio broadcasting

Young turkish businessman entrepreneur in suit looking talking to camera, millennial ceo coach webinar speaker trainer shooting vlog online business training make conference video call, webcam view

Bright Abstract Waves and Sound Speaker with graphic texture

Front view of Caucasian business people celebrating their success while being applause by the public in the business seminar 4k

Loudspeaker cone modelled with a grid shaking back and forth

A diverse group of business people of mixed ages are listening to a presentation at a business seminar and clapping.

Serious businesswoman screaming in a megaphone in office

2 beats per second (120bpm loop). Thumping woofer speakers.-

Cheerful young woman talking to a camera on a Green Screen, Chroma Key.

2 beats per second (120bpm). Thumping woofer speaker. Woman dancing overlay.-

Business people listening to a speaker in a conference room

photography director looks at camera screen against director and TV presenter

Speaker is giving speech at business event. Adult businesswoman in modern conference hall. Business and entrepreneurship seminar. Back view.

Music in the dynamics. Notes near the speaker

Disco. Loudspeakers rotating around camera

Bass Test On A Speaker Music, Reflex, Bass, Close-Up

3d animated background with music speaker. Seamless loop.

Large speaker doing a bass test in slow motion. White particles jumping because of vibrations.

Beautiful business woman is speaking on conference. psychological training

Thousands of green glitter lies on the speaker.

Loud Speaker in Action. Close up view of details loudspeaker woofer and tweeter driver. Violet or purple light

BassSpeaker and graphic equalisers pumping to the beat

MOSCOW - OCTOBER 2: front view of auditorium conference STOCK in RUSSIA 09 October 2, 2009 in Holiday Inn Lesnaya, Moscow, Russia

close up of microphone at recording studio

Frightened black man screaming in megaphone, spreading information, awareness

Moscow, Russia - March 13, 2019: People attend business conference in large congress hall

Moscow, Russia - March 13, 2019: People attend business conference in large congress hall, light show

Girl holding smartphone with language study app, Spanish flag on background

Female student holding laptop with green screen, Spanish flag on background

Serious woman shouting in megaphone, announcing information, social protest

Background with abstract animated sound graph.

Chaotic motion. Fantastic structure. Diffusion psychedelic blast movement. Bright Colored Waves Audio Speaker Vibrations and Liquid. Bright metamorphosis. Waves ink. 4K UHD

Bright Colored Waves Audio Speaker Vibrations and Liquid. Colorful Background Marbling Video. Colored Ink Into Water. Bright metamorphosis. Waves ink.

December 2017, Editorial use only, 3d rendering, Amazon Echo Dot device.

Call center concept animation. With alpha matte.

Side view close up of a young Asian woman wearing a hijab standing with a microphone pointing and addressing the audience at a political convention, with the audience visible in the background listening and holding US flags

Side view close up of a young Asian businesswoman wearing a pink jacket standing at a lectern using a microphone to address the audience at a business conference. In the background is a screen with information on it and a diverse group of business people

Front view close up of a smiling young Caucasian man standing on a podium decorated with a US flag at a political rally, with the audience seen from the back waving flags in support in the foreground

Close-up. Man adjusts and controls a cassette recorder.

Close-up, of inserting a cassette into a tape recorder and starting playback.

Front view of a middle aged Caucasian blonde businesswoman standing on a stage using a microphone to address the audience at a business conference, on the stage behind her screens are displaying information, the backs of the seated audience are seen in th

Side view close up of a young African American businessman wearing a suit and tie standing at a lectern holding a tablet and addressing the audience at a business conference

Front view of a young Asian businesswoman wearing a hijab standing on a stage at a lectern between a diverse group of colleagues, raising her arm as her colleagues on stage and the seated audience applaud at a business conference. The backs of the seated

Smart AI speaker Error-Young asian woman angry because voice assistant can not recognize her language

Italian language application on smartphone in persons hands, online education

Woman holding laptop with green screen, USA flag on background, language lessons

Annoyed man screaming into megaphone, trying to convey his opinion to others

Power switch tumbler being turned on and off by musician. Colorful neon light. Close up view. Concert, music concept

Happy afro woman sit on couch hold smartphone record audio message talk with friend on speakerphone through device microphone, voice recognition, distant communication, translator application concept

Animation red and blue nois wave on black background.

Animation green nois wave on black background.

Animation pink nois wave on black background.

Animation pink and arctic nois wave on black background.

Digital animation of a rotating 3d world in grid on the right, and a large speaker in beats on the left with random digital bars in neon lights on a pink background

Front view close up of a middle aged Caucasian businesswoman with blonde hair standing in front of a display screen holding a microphone and taking questions from the audience at a business conference. The raised hands of the audience are seen in the fore

Front view of a middle aged Caucasian businesswoman with blonde hair inviting a young woman to the stage where she shakes her hand and presents her with an award at a business conference. On the stage behind her screens are displaying information, the bac

Two diverse male and female professional coaches speakers team give flip chart business presentation at conference meeting training international executives clients group at corporate office workshop

Home music recording studio workspace with mixing board soundboard and keyboard. Sound engineer turning knobs on sound mixer. Music recording concept.

Home music recording studio workspace. Sound engineer mixing and mastering song. Pop music producing process at music recording studio. Pop Rock music creation process

Sound engineer at home recording studio is looking at screen with digital audio workspace while mixing and mastering pop rock music for project. Young music producer creating sounds in studio.

Sound engineer working at pop hit creation and producing a song at home recording studio. Mixing board and equalizer with compressor on blurred screen with digital audio workstation.

Female black manager sales team leader coach drawing sales graph on flip chart teaching diverse staff people, african woman mentor speaker give business presentation at multiracial workshop meeting

Office employee sits at desk holds cellphone turns on voice typing for texting, talking to client on speaker phone. Modern wireless tech, mobile connection, comfort distancing communication concept

Teenage afro american female wear wireless headphones sit by laptop before condenser microphone streaming podcast recording audio book blog. Gen z black woman use computer app to broadcast live online

Animation colorful nois wave isolate on black background.

Happy mature middle aged older female mentor corporate leader manager communicating with multiracial business professional team teaching interns staff people engaged in discussion at training meeting

Animation pink and red nois wave isolate on black background.

Animation blue nois wave isolate on black background.

Animation pink and orange nois wave isolate on black background.

Young african american businesswoman sit by pc screen at home office present report to team leader diverse coworkers group. Biracial lady corporate worker speak to department staff at online briefing

Cheerful hipster girl in white sneakers is jumping in the park listening to music using a portable speaker

Audience listens male speaker at workshop in conference hall

Close up pumped sound waves of a speaker. Large concert sound system. High-quality large sound speaker with high-frequency subwoofer in a black box closed by a grille. professional stereo monitors.

Silhouette of man shouting on crying woman in megaphone, family problems

Woman holding smartphone with language study app, Portuguese flag on background

Isometric online video training or tutorial. E-Learning by the webinar training. Online education at Video blog concept. HD Video.

Audience Listen to Female Speaker at Expo Center. Business Presentation. Group of People at Science Convention. Future Entertainment, Coaching and Education Concept Footage Shot in 4K

Man Public Narrator Talking to Crowded Audience. Back View of Young Bold Speaker Handing Dimpoma at Conference Hall Area. Rewarding or Graduation Concept Footage Shot Full HD 1080p

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