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 Small Hi Fi Digital Audio Power Car Stereo Amplifier 12V 2CH AMPS F MP4 IPOD CD $9.90 Time Remaining: 5h 29m |
 Pyle PTA4 Mini 240Watt Stereo Power Amp Amplifier W Aux CD Phone Input $72.22 Time Remaining: 16d 23h 58m Buy It Now for only: $72.22 |
 Rolls RA280 Power Amplifier 80 Watts 4 ohms AMP MADE USA Rack Mountable Stereo $39.99 Time Remaining: 6h 4m |
 Crown XTi 4002 XTI4002 Stereo Power Amplifier AMP $719.00 Time Remaining: 9d 10m Buy It Now for only: $719.00 |
 Yamaha CP2000 CP 2000 2000W Rack Mount Stereo Power Amplifier Pro Amp Great $189.99 Time Remaining: 6h 9m Buy It Now for only: $209.99 |
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 NEW MINI STEREO AMPLIFIER 80 WATTS FOR CAR OR HOME SPEAKER 110 220 VOLT CA2 $48.50 Time Remaining: 27d 4h 45m Buy It Now for only: $48.50 |
 Crate CPB150 PowerBlock 150W Stereo Guitar Amplifier Super Nice $124.99 (2 Bids) Time Remaining: 1d 18h 24m |
 RB GEMINI XGA 3000 3000W Power Amplifier DJ Stereo Amp $149.99 Time Remaining: 24d 1h Buy It Now for only: $149.99 |
 Symetrix 420 Stereo Power Amplifier $100.00 Time Remaining: 1d 20h 2m Buy It Now for only: $129.00 |
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 Crest Pro 7001 Stereo Amplifier $228.50 (8 Bids) Time Remaining: 2d 3m Buy It Now for only: $500.00 |
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 RB GEMINI XGA 5000 5000W Power Amplifier DJ Stereo Amp $224.99 Time Remaining: 25d 5h 37m Buy It Now for only: $224.99 |
 MACKIE FR Series M 2600 Professional Stereo Power Amplifier $500.00 Time Remaining: 2d 4h 27m Buy It Now for only: $650.00 |
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 HARMAN KARDON PA2100 STEREO POWER AMPLIFIER $79.99 Time Remaining: 2d 4h 43m |
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 New PylePro PSA2000 1U Rack Mount 2000 Watts Power Stereo Amplifier Pro Audio $149.13 Time Remaining: 27d 2h 32m Buy It Now for only: $149.13 |
 Digital Audio Power Stereo Amplifier 12V 2CH AMPS For MP4 IPOD CD VCD DVD $9.88 Time Remaining: 2d 6h 44m |
 Pyle Pro PTAU45 Mini 2X120 Watt Stereo Power Amplifier W USB CD AUX Input $79.00 Time Remaining: 16d 23h 56m Buy It Now for only: $79.00 |
 NAD STEREO POWER AMPLIFIER ENVELOPE AMP 2400 AS IS REPAIR $15.00 (1 Bid) Time Remaining: 2d 23h 4m |
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 Pro Audio Roland Stereo Monitor Mixing Keyboard Amplifier Roland $299.99 Time Remaining: 2d 23h 54m |
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 ADA Stereo Bipolar Power Amplifier B2005 BB011652 $249.99 Time Remaining: 3d 6h 1m |
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 Peavy PV1500 Stereo Power Amplifier $75.00 (1 Bid) Time Remaining: 3d 6h 39m |
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 QSC Model 1200 Stereo Power Amplifier Studio AmpNo reserve $135.00 Time Remaining: 3d 22h 23m Buy It Now for only: $149.00 |
 Samson Servo 120 Stereo Amplifier USED $50.00 Time Remaining: 4d 5h 10m |
 5FT PRO GRADE XLR Male to GOLD Dual RCA STEREO AMP MIXER AUDIO Cable 15M $7.50 Time Remaining: 17d 8h 20m Buy It Now for only: $7.50 |
 Carver PM 20t Stereo Amp $152.50 (2 Bids) Time Remaining: 4d 5h 20m |
 BEHRINGER EP4000 AMPLIFIER 4000W Stereo Power DJ New 2U Rack Mount 2 4 ohms AT $329.94 Time Remaining: 25d 2h 6m Buy It Now for only: $329.94 |
 AB International AB 200 AB200 Professional Series 100 Watt Stereo Amplifier 1 Sp $125.00 (1 Bid) Time Remaining: 4d 9h 17m |
 PYLE PRO PQA4100 4100W Rack Mount 19 Power DJ Professional Amplifier Amp Stereo $172.95 Time Remaining: 19d 3h 38m Buy It Now for only: $172.95 |
 Crown PS 200 750W 625A PS200 2 Channel Stereo Power Amplifier Amp w WARRANTY $49.99 Time Remaining: 4d 23h 12m |
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 Gemini XGA 2000 Watt Peak Stereo 2 Channel Power Amplifier XGA2000 $152.95 Time Remaining: 5d 2h 49m Buy It Now for only: $169.95 |
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 EV 7100 STEREO AMPLIFIER ELECTRO VOICE $18.50 (4 Bids) Time Remaining: 5d 5h 27m |
 RB GEMINI XGA 2000 2000W Power Amplifier DJ Stereo Amp $139.99 Time Remaining: 22d 19h 17m Buy It Now for only: $139.99 |
 Vintage Crown SA 30 30 Power Amp Stereo Amplifier $65.00 Time Remaining: 5d 5h 37m |
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 Crown IC150 Stereo Pre Amplifier Vintage Audio Pre Amp Nice Condition $224.50 (15 Bids) Time Remaining: 5d 5h 50m |
 Tapco CP120 Professional Stereo Power Amplifier Rack Mountable Bridgeable 0940 $179.00 Time Remaining: 2d 4h 36m Buy It Now for only: $179.00 |
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Stereo Amplifier
Stereo Amplifiers: choice of music maniacs
Stereo amplifiers are popular among young party lovers. People who just love music in high volumes prefer having amplifiers in their cars and rooms. Amplifiers are stereo components and musical paraphernalia. There are audio amplifiers as well as visual amplifiers in computers, CD players, computers and speakers used to produce sound.
Sound energy works in a remarkable way. When there is something in the atmosphere produce vibrations it stirs the air particles around it. The air particles in reaction move the other existing air particles around them transferring the vibrations through air. Finally, human ears pick up these changes in the air pressure and interpret them into electrical signal for our brain to process. Stereo amplifiers work in the same way. It converts sound waves into electric current. The major function of stereo amplifier is to amplify the sound waves, converting them to electric current and making it audible for ours hear to listen.
There are many different models and brands of stereo amplifiers available. Some are cheap and some are expensive. There is a stereo amplifier which is reasonable in price. E5 3.5mm Earphone Volume Booster Power Amplifier Black is an ideal choice for amplifiers users. This appliance is a moveable headphone amplifier planned to progress the sound excellence and volume of any digital audio player for example MP3 and MP4 player, laptops, cell phones and notebooks.
E5 is an advanced model of "E3 Headphone Amplifier". This kind of amplifier is popular and widely used around the globe. It maintains all the advantages of the E3, and at the same time giving slim and smart look which is an amazing thing and an added advantage of buying E3 amplifier. It has a unique system of volume control by which you can connect directly to the digital audio player and monitor the volume from there. It is easy to use and light weight product.E5 is much more advanced than E3. It is an upgraded model with these qualities: it has high power output, checks and control noise signals more quickly, and helps in decreasing distraction.
In addition to all these features, there is a new TI's headphone amp solution found in it. E5 stereo amplifiers have better sound quality than ever. They are capable of working better with high "impedance headphone". E5 has an additional sound effect switch for removing bass boost. In short, E5 is the perfect choice in stereo amplifiers. It is available online on many shopping websites.
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What is a stereo power amplifier?
i am looking online for stereo receivers and i keep coming across these stereo power amplifier and i have no idea waht they are.
what are they?
they have some outrageous numbers like 1200 watts and i dont know what that is suppose to mean
what does it mean they amplify audio?
like does it have a connection that i could plug my laptop into or something into and get music to play through the speakers?
The power amplifier is the engine. If you get in your car and push down the gas pedal it will not move if there is no engine. It's not the gas pedal that makes the car go, it's the engine that makes it go. The gas pedal is the information to tell the engine to go and how fast to go.
Your Mp3 player or CD player or what ever player is information. Your preamplifier has a volume control that is something like the gas pedal to tell the engine (amplifier) how loud to play the information coming from the player. Without the amplifier the speakers have no engine to make them go or play.
A typical receiver includes a tuner for AM/FM radio reception, a preamplifier which includes a volume control and source selection (CD, DVD, tape,...) and a power amplifier. For most people an all in one package receiver is just fine. This is the simplest way to go and is adequate for most people. For more advanced systems separating the components has some advantages in versatility and in quality.
Most receivers power ratings are based on one or two channels driven whereas most separate amplifiers are based on all channels driven. A typical 5.1 receiver rated for 100 watts x 5 can only do 100 watts to one channel at a time and closer to 30 ~ 40 watts per channel with all five playing. A typical separate 5 ch amplifier rated for 100 w/ch should be able to do 100 w/ch with all five channels played at the same time.
The best speakers use EQ to remove driver resonance issues, correct for baffle diffractions and other issues. They also separate low, mid and high frequency prior to the amplifier where it can be done based on the linear resistive impedance of an amplifier input as opposed to the dynamic reactive impedance curve of the loudspeaker. This requires a connection point between the preamplifier and power amplifier thus precluding the use of a receiver unless the receiver has "preamp loops" which is almost non existent today. For this type system a receiver simply can not be used, there is no way to connect it!
Most commercially built loudspeakers are designed to work just fine with a receiver. It is a compromise in sound quality but can still be good enough for most people. Even speakers costing more than a nice house are built this way so there are plenty of speaker options that will work just fine with a receiver.
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Pioneer Stereo Amplifier SA-9500 II Vintage Amp for Ebay Auction