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SpeakerA speaker is an electronic device used to transform varying electric current into audible sound. It usually consists of a speaker cone, most often made of plastic or cardboard, which is moved by magnetic forces induced by the electromagnet to which the input signal is directed.
An active speaker contains a built-in amplifier to process low voltage sound signals, while a passive speaker requires an external amplifier.
The most important properties of a speaker are its impedance (expressed in ohms), power handling capability (in watts), and its frequency output range, which determines the range of sounds the speaker is able to produce.
See also: loudspeaker
The "Speaker" (more formally, Speaker of the House) is the presiding officer in many legislative bodies, including the United States House of Representatives and the House of Commons in Westminster System parliaments. See Speaker of the House of Commons.
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Psychologically Speaking Dr. Jack Singer, a keynote speaker and professional psychologist uses humor in presentations. http://funspeaker.com
Allen Klein Keynotes, breakouts, workshops, spouse programs and retreats with humor. http://www.allenklein.com
Einstein Alive Professional motivational speaker, Arden Bercovitz for speaking engagements and coaching. http://www.einsteinalive.com
Randy Haveson, M.A. Speaking on self esteem, leadership, and substance abuse. http://www.randyh.com
THINspirational Speaker A weight loss motivator who has lost 70 pounds, speaking on achieving goals with humor. http://www.THINspiration.com
David McNally Speaking on how to thrive both personally and professionally in the new world of work. http://www.davidmcnally.com
Brett Rutledge International speaker, impressionist, master of ceremonies, and motivator provides both entertainment and business insight. http://www.rutledge.co.nz
Championship Communication Dr. Lampton, PH.D, provides keynote and motivational speeches. http://www.commlampton.com
Byron V. Ricks Advocate in the development of human potential and personal effectiveness. http://www.byronricks.com/
Swiss Precision Enterprises Seminars to create employee motivation with teambuilding and stratigic planning. http://www.swissprecision.net
Bob 'Idea Man' Hooey One of only 48 speakers to be earn accreditation for his abilities as a speaker. He is the author of 5 books. http://www.ideaman.net/services.html
Institute for Advanced Business Psychology Seminar and Keynote topics and descriptions. http://www.QQSS.com/
The Human TuneUp Cath Kachur offering workshops, seminars, speeches, products and gifts for less-stress, communication skills, change and intuition. http://www.humantuneup.com/
Roger Stauter Professional motivational humorist seeks to speak for banquets/meetings. http://somethingtochewon.com
The Institute for Emotionally Intelligent Learning Presents programs on assessing and promoting emotional health, humor in the workplace and violence prevention. http://www.emotionallyintelligent.com/
Deborah Maisonet Webfully Yours provides workshops presentations, and seminars pertaining to the internet http://www.webfulyours.com
Bayley and Bender, Inc Programs designed to help people attain greater knowledge of themselves as well as others for greater productivity and increased control of one's destiny. http://awarenessispower.com/
The Lone Ranger Keynote, professional or motivational speakers for corporate ethics training and character education. http://www.scribblers-ink.com
Associates Communication Company Tom Antion provides entertaining and informative keynote speeches and educational seminars, from advanced presentation skills training to testimonial roasts. http://www.antion.com/
Bobby DePoyster, Ed.D A former school superintendent that uses magic, humor and his experiences to entertain, challenge and inspire his audiences. http://members.aol.com/dpff/
Companion Pet Enterprises Consultant and trainer speaker programs for people involved in the pet industry. Seminars for association meetings, or in house training programs. http://www.cpeconsulting.com/
Jay Laffoon A source of family and corporate entertainment, motivation and inspiration. http://www.jaylaffoon.com/
David M. Jacobson, MSW Professional inspirational speaker on the topic of humor and health. Member of the National Speakers Association. http://www.humorhorizons.com/
Elbury Enterprises Garry Hunt, international businessman, scientist, TV and radio broadcaster and author available to speak, chair, and facilitate events. Based in Great Britain. http://www.elburyenterprises.com/
Gavin Jerome Comic, speaker and teacher of Comedy College. http://www.gavinjerome.com/
Alcon Solutions Alan L. Alcon is a consultant, speaker and trainer who specializes in gender communication, motivational speaking, and dealing with people who drive you crazy. http://www.alconsolutions.com/
Winston Brill & Associates Helping companies stimulate creativity and innovation through speaking, consulting and publishing http://www.winstonbrill.com
Alan Simmons Gives customized presentations on leadership, authentic motivation and personal development. http://www.alansimmons.com/
Glen Knight Professional speaking information web site. Speaker, Trainer, Seminar http://www.glenknight.com/
Vicki Lenz Speaker on Emotional Marketing and customer loyalty. She is a published author, co-author and ghostwriter with the savvy to write your business story. http://vickilenz.com
Ty Boyd Executive Learning Systems Ty Boyd can teach your sales staff the tools they need. http://www.tyboyd.com
Peggy Kline Professional speaker who provides programs for women that are motivational and funny. http://www.peggykline.com
Dave Rodney Mount Everest summitteer, public speaker, team builder and motivational speaker. http://www.daverodney.com
Intercontact Ltd. Organizer of international business meetings and trade missions. Plovdiv, Bulgaria. http://www.intercontact.ttm.bg/indexe.htm
Sandra Ford Walston Speaker, trainer and executive/courage coach, Sandra conducts programs for businesses to surmount challenges. http://www.walstoncourage.com
Sue Kirby With wit and humor, this sassy mother and professional urges all woman to "celebrate the ordinary" in themselves. http://www.suekirby.com
Jeanne Robertson Humorist speaker for business meetings, conventions, keynote speeches. Winner of the Toastmasters Golden Gavel award. Online humor store books, videos, audio tapes. http://www.jeannerobertson.com
Kevin Saunders Wheelchair motivated fitness speaker and author of "There's Always a Way". Site has access to online video. http://www.kevinsaunders.com/
Frank Romano Worldwide experience delivering results our clients seek, through original design and creative facilitation of professional presentations & training programs. Leading edge information, as delivered to our international clients. http://www.frankromano.com
Cindy Jones Associates Professional speaker and corporate trainer offering programs on presentation skills, managing stress, mastering change and customer service. http://www.cindyjonesassociates.com/corporatetraining/
Barry Maher & Associates Management, motivation and sales speaker, trainer and consultant. http://www.barrymaher.com/
John Lees Business Group Business speaker addressing topics such as retail sales and leadership. Based in Australia. http://www.johnlees.com.au/
Rob Tucker Specializing in the development of skills necessary for advocacy and persuasion in a business setting. http://www.robtucker.net/
Dr. Wayne Eisenhart Management speaker, business consultant, entrepreneur, and trainer with 30-plus years of experience. Available to speak internationally. http://www.entrepreneurialdevelopment.com
Timothy Hyde Australia's "Magician of the Mind", is a motivational humorist. He will help you present your message in a memorable manner or deliver one of his own dynamic keynotes. http://www.achieving.com.au
Pam Tracz Uses her background as a registered nurse of 36 years as a guide to motivate the audiences to which she speaks. http://www.pamtracz.com/
Nido R. Qubein, CSP, CPAE Having come to America with almost no money or resources, Nido is now a highly respected and successful business consultant, author, and motivational speaker. http://www.nidoqubein.com
SalesPEAK Sales and Customer Service Training Customized sales seminars, presentation skills, tradeshow skills training, and sales and customer service consulting to take your company to the next level. http://www.salespeak.com
Messick, Wayne Management consultant giving keynote presentations and workshops to help established mainstream businesses succeed online. Succession Planning Seminars, Keynotes and Workshops. http://www.waynemessick.com/wmhow.htm
Bill Clellan The Dean of Canadian Speakers http://www.thememoryman.com
John Powers Professional speaker delivering presentations to motivate, inspire and educate company employees. http://www.johnpowers.com
Gary Montgomery Motivational speaker Gary Montgomery speaks, conducts seminars and presents his unique message to youth in a variety of settings. http://www.icanplay.com/
John Avianantos & Associates Providing professional speaking programs with emphasis on motivation, personal development, and inspiration for conventions, sales rallies, award dinners, and business meetings. http://www.coachjohn.com/
Tim Connor, CSP Tim Connor will effectively teach you how to increase sales, how to improve management effectiveness and how to develop and maintain positive relationships. http://www.timconnor.com
DeNita Turner: Image Builders Find out how you or your organization can benefit from the art of successful business and personal savvy. http://www.denitaturner.com
Andrew Horowitz Success and Motivational Financial Speaker. An array of topics to help both entertain and teach. Perfect for corporations, organizations and group conferences. http://www.wallstreetspeakers.com
Nicole Schapiro & Associates Author of Negotiating for Your Life, and a motivational speaker for conventions, conferences, tradeshows, training workshops, and other corporate events. http://www.nicoleschapiro.com/
David M. Corbin Reveals how he has assisted companies to enroll their employees into the behaviors associated with awesome customer/client/patient relations. http://www.davidcorbin.com/
Future Focus Information on keynote speeches as well as full and half day seminars and training. http://www.futurefocuscompany.com/
Ron Dentinger Clean comedian working from coast to coast on the banquet circuit. http://www.banquetspeaker.net
Jim Dale Training seminars to help make better managers, salespeople, provide better customer service or make your people feel good about themselves. http://www.jimdale.net/
Patricia Stephenson Leading authority in Business Golf Etiquette Training and Professional Image, Seminars for Executives. http://etiquettepro.com/
Jonni Kennedy Corporate spokesperson, successfully articulates your message. Whether it's television, trade shows, training, webcasting, or voiceovers, rely on Jonni to communicate your products. http://www.jonnikennedy.com
Michael Angelo Caruso Consultant, Author and Speaker http://www.edisonhouse.com
Caruso Leadership Institute Joe Caruso is an author, educator, keynote speaker and business advisor. http://www.carusoleadership.com/
John Amatt Adventure speaker who climbed Mt. Everest. http://www.adventureattitude.com
John Evans Powerful and moving presentations, utilizing his ability to tell appropriate stories, with humor, metaphors and similes that enthrall audiences. http://www.johnevansspeaker.com
Phil Wiggle President of the Aspen group and motivational speaker, who delivers thought provoking and memorable speeches on today's topics. http://www.aspenspeakers.com
Naomi Karten Trains, consults and writes on how to improve customer service, manage customer expectations, establish service level agreements, and improve client relations. http://www.nkarten.com
Capt. Ed Burns Authority and commentator on tall ships. http://www.edburns.net/
Rosita Hall Professional speaker, Rosita Hall has successfully coached many individuals and organizations through a variety of change and motivational challenges. http://www.rositahall.com
Gloria Jean Author and motivational speaker shares her spiritual insights and business success secrets learned from being a woman entrepreneur, cancer survivor, and the founder of Gloria Jean Gourmet Coffee. http://www.thegloriajean.com
Rhoberta Shaler, PhD Gives audiences the tools to create positive workplace relationships, and achieve success on their own terms. http://www.rhobertashaler.com/
Jim Carroll Keynote speaker, columnist and author helping people cope with a world of technological change. http://www.speakersbureau.info/
Rachelle Disbennett-Lee, MS, PCC, CTC Click on "Listen to Coachlee" to see and hear me speak about "tolerations". Available to speak to your organization! http://coachlee.com
Kathleen Gage Addresses issues of accountability, integrity, honesty and living life with passion and hope. http://www.turningpointpresents.com/keynotes.htm
Bill Frenzer Corporate jester and professional imposter. http://bfrenzer.tripod.com/
Doug Jones Keynote speaker, seminar leader and expert in one-on-one communications skills. http://www.powerlinecom.com/
The Virtues Project Offers personal and professional development programs teaching strategies that inspire people to live by their highest values. http://www.virtuesproject.com/
Jim McCormick Motivational speaker and seminar leader on improving sales, organizational performance and personal growth through risk taking and overcoming fears. http://www.TakeRisks.com
Eileen McDargh Professional speaker, workshop leader, and consultant in leadership, communication, life balance, team building, women's groups and other topics. http://www.eileenmcdargh.com
Jody Urquhart Professional speaker and writer, Jody Urquhart has been inspiring corporate audiences since 1998. Her monthly column on Creating Meaningful Work appears in over twenty five trade journals. http://www.idoinspire.com
Dennis Prager Lectures before business, civic, religious and school groups on a variety of topics ranging from personal and social issues to morality and religion. http://www.dennisprager.com/
Nancy Friedman: The Telephone Doctor Nancy Friedman has been delighted association and corporate meeting groups for over 15 years. Energize your next meeting with America's expert on customer service and communication. http://www.telephonedoctor.com/keynote.asp
Bob Goshen Keynote speaker for Fortune 1000 companies, service groups, professional clubs, universities and church group events. http://www.cmminet.com/Speaker_profile.htm
George Hedley One of the top professional business and construction speakers in the U.S., owner of $100 million dollar company, George Hedley presents business building programs to help you grow your leaders, profits and customers. http://www.hardhatpresentations.com/
Robert Livingston Bob speaks on Customer Service and the importance of having a passion for service. http://www.bob-livingston.com
Farmer Joe Peck Entertains audiences with a combination of enlightened inspiration, homespun yarns and stand-up comedy drawn from a lifetime of farm experience. http://www.joepeckonline.com/
John J. Alquist Speaks on Internet websites from the business owner's view, motivation, marketing and Christian topics, particularly prophecy and scientific, historical and mathematical proofs of the Bible. http://www.tell-it-well.com/page15.htm
Allen & Nichols Productions Present humorous and motivational keynotes. http://www.allen-nichols.com/
Chad B. Ritchey's Connecting Relationships Seminars and keynotes on change management, customer service, leadership and motivation. http://www.connectingrelationships.com/
David Markovitz as Theodore Roosevelt Addresses current issues such as rapid technological change and effective leadership using a blend of history and humor. http://www.teddyspeaks.com/
Kerry Cue Australian humorist, author, journalist and public speaker. http://www.kerrycue.net/
Ed McMillan, CPA, CAE Speaks on financial management issues. http://www.nonprofitguru.com/
Howard Robbins Toastmaster for weddings, bar mitzvahs and corporate events. http://www.toastmaster.connectfree.co.uk/
Tess Marshall Keynote speaker, retreat facilitator and coach. http://www.tessmarshall.com/
Humor for your Health Speaker, educator, coach and comedian Dan Gascon. http://www.humorforyourhealth.com/
Susan Carnahan Keynote speaker on motivation, success and sales. http://www.carnahanpresents.com/
Sarah Victory & Company Works with individuals and groups to help improve their speeches and careers. http://www.sarahvictory.com/
Susan Keane Baker Presenter and trainer on managing patient expectations and customer service quality for health care organizations. http://www.susanbaker.com/
MaryAnn Glasgow A professional speaker, author and psychotherapist whose message provides a humorous and playful approach to living life for the elderly. http://www.bewellderly.com/
Jerry Hart Keynote speaker and corporate entertainer, combines messages on leadership and service excellence with illusions and humor for productive meetings and seminars and fun-filled banquets. http://www.hartmagic.com
Shaun Best A Man on A Mission, perhaps the Greatest for Humanity! http://www.SpeakersQuest.com/speakers/Best.htm
Dr. Gregg Amore Personal performance and impact. Enhance Human Dynamics, Interaction of Mind, Emotions and the Physical Self. http://www.amore-4u.com/seminar.html
Chuck Bauer Keynote speaker and trophy bass hunter. Topics include how to have a magnetic effect on people. http://www.chuckbauer.com/
Todd Smith Learn to overcome negative attitudes in everyday situations with someone who has lived with cerebral palsy since birth. Based in Colorado. http://home.att.net/~smith.todd.t.s.7/index.htm
Michael Fowlin Dealing with race relations, bias, gender sensitivity and tolerance. http://www.michaelfowlin.com/
Hector DeValle Sharing his personal experiences with the consequences of drugs, alcohol, drinking and driving. Hector, now a quadraplegic, delivers dynamic, youth oriented presentations relating to alcoholism, addiction and recovery. http://www.hectord.org/
Tim Dannelly A professional speaker who conducts seminars and training workshops on human relations and sales techniques all over America. http://www.timdannelly.com/
Karen Purcell, M.H., N.D., C.N. Motivational speaker and opera singer who speaks on health, happiness and women's issues. http://www.divadoc.com/
Rhonda Gates Speaking on topics including weight management, exercise, diet, medicines and food for a healthy lifestyle. http://www.rondagates.com/
Simon Phipps Speaks at conferences and events worldwide on technology futures and trends. http://www.webmink.net/
Ann Pauley Speaker on self love, forgiveness, spiritual growth and connection to the God within us. http://www.bevulnerable.com/
Paul Carringer Marathon runner, educator and business owner speaks on topics including advertising, public relations, electronic education, cause-related marketing, marathon running and life motivation. http://www.geocities.com/pcarringer/
Tou Ger Xiong Entertainer, comedian and rapper speaks on issues of diversity. http://www.gohmongboy.com/
John Fuhrman Programs to help people break through fears and turn rejection into direction. http://www.expertspeak.com/
Vivian Quiring and Associates, Inc. Keynote speaker, workshop leader and consultant on communication skills, stress and energy management and enhancing personal and organizational effectiveness. http://www.vivianquiring.com/
Roz Trieber Customizes keynote and seminar presentations that demonstrate how to use humor and creativity to balance self and others. http://www.jest4success.com/
Josh Shipp Josh Shipp is a youth motivational speaker for conferences and school assemblies. http://www.joshshipp.com/
Carol Price Professional business speaker, instructor and author on self-esteem, communication skills, assertiveness and self-confidence. http://www.carolprice.com/
Internal Insights A consulting, seminar and professional speaking firm specializing in personal awareness and empowerment. http://www.internalinsights.com/
John Di Frances Addressing the strategic issues facing corporations, government agencies and non-profits today. http://www.difrances.com/
Julie Ireland Keynotes and workshops on dealing with anger in the workplace. http://www.julieireland.net/
Cathy O'Dowd Professional business speaker and mountaineer. Also includes details of expeditions and audio clips of the 1996 Everest expedition. http://www.cathyodowd.com/
Bookie Bell Clown motivational speaker focusing on dealing with change in both a work and life environment. http://www.bookiebell.com
Lovett Consulting Ann Lovett presentations to help organizations, corporations and individuals move to the next level of excellence. http://www.lovettconsulting.com/
Dr. Robert Kriegel Dr. Robert Kriegel teaches "out of the box" strategies for keeping ahead of the change, challenges and competition. http://www.kriegel.com
Maurice O'Callaghan Maurice T. O'Callaghan is based in North America. He will make you laugh, cry and cheer, but most of all, he will make you think. http://www.mauriceocallaghan.com
Ruth Bonetti Site includes details of her speaking , online hints and tips and a newsletter. http://RuthBonetti.com
Chris Moon OBE Inspires, motivates and challenges audiences with his remarkable life story. He has spoken to numerous large businesses appears regularly in the media and has appeared on the Parkinson Show. http://www.chrismoon.co.uk
Judy Jernudd A communication consultants and coach who helps her audience become better communicators. http://www.JudyJernudd.com
Mark McGregor Speaks about health, stress management and business matters. http://www.speakingofhearts.com/
Paul Schnabel Impact Group Motivational and inspirational keynotes on personal achievement, sales and leadership. Topics include overcoming limitations, magnetic enthusiasm and life balance. http://www.paulschnabel.com/
Michael Domingos A professional speaker on the subject of overcoming adversity and grief. http://www.griefspeaker.com/
Rick Kirschner Bestselling author and authority on change, conflict and life balance. http://www.rickspeaks.com/
John Welch After dinner speaker in the UK and abroad. http://www.john-welch.co.uk/
Jane Boucher Motivational and educational seminars and speeches for business and medical professionals. http://www.janeboucher.net/
Dr. Rick Brinkman Professional keynote speaker and author of books on dealing with difficult people. http://www.rickbrinkman.com/
Audrey Pihulyk Sessions cover managing change, people diversity, management and communication skills, stress issues and women's issues. http://www.possibilitiesnetwork.com/
Carol Cunningham Provides tailored goal settin
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