Best Stereo Amplifier: The amplifier must act as the center of the hi-fi system at your place. The amplifier is the piece of equipment which can either break or make your sound, and it is the piece which is the focus point of one’s effort. There are several amplifiers available in the market at present, and with the passage of time, the technical specifications defining the quality of an amp has also increased. There are a lot of jargon related with the amplifiers which determine the amps performance. However, you don’t need to go through those complicated idioms, here we present you with the best budget stereo amplifier and few of the necessary specifications to evaluate any stereo amplifier.
If you are questioning how can you get the best stereo-integrated amplifier? The best way of stereo evaluation is by listening to the stereo amplifiers while playing it in your home. But that is not possible to do before making the purchase. Hence to help you out with this situation, there is a specs sheet that comes with the amplifier which helps you to find the right one for you. These specifications indicate the ability of the amplifier to bring out great sound.
The factors of the amplifiers’ specs include distortion levels, power rating, signal to noise ratio, and dynamic headroom of the amp. The signal to noise ratio is a major factor which tells you about the capability of the amplifier to convey the listeners with the sufficient audio power at the required time, and also the sound quality level.
After getting hold of all the amps specs, you can easily separate out the best ones out of many.
How to evaluate Stereo Amplifiers
Here are some of the main specs of stereo speakers which will help you understand the quality of the amp.
Power Rating : The measurement of power takes place in Watts. But with the audio speakers, the power means a lot more, an amp's power rating says for example 90 W/Ch RMS 8 Ohms 0.07% THD, 20Hz-20kHz. And this rating indicates that the amp can deliver 90 watts of average power for a channel in the speaker load of 8 Ohm with a maximum of 0.07% of total distortion of harmonic for the specified range of frequency.
The format of power specification was the contribution of the “US Federal Trade Commission” which is the standard format to represent the power specification of any amp. And it is an easy way to compare the amplifiers from the many available brands. It provides all the info that we need to know while getting an amp. Speakers with high power rating are capable of delivering better performance.
Sound Quality : Sound quality is the factor which directly relates to the output of the amplifiers. The amps’ real power rating is an important parameter but what enables you to get the perfect loudness you desire is what defines the sound quality of the amp. And the sound quality is a major factor since one wants better sound, not more sound. One can enjoy the 60 W amplifier with higher sound quality than the amp with 100 W power with the bad quality of sound.
The power of the amp does not define the sound quality so don’t get the amp with high power rating check for the other specs which defines the sound quality as well.
The THD (Total Harmonic Distortion) or distortion of the audio amplifiers are the major parameters which denote the high quality of the amp. The other factors indicating the sound quality includes the S/N level or the signal to noise ratio represented in dB. Some amps specs also add the dynamic headroom as an indicator of sound quality. The amp with high values of THD and S/N level produce good quality sound. And the one with insufficient headroom cannot deliver the sounds’ high accurately.
Distortion Level : As the name suggests, distortion levels will indicate the amount measurement of the distortions in the amplifiers’ output concerning the input applied. The one with distortion levels less than 1% are not significant. And it is the same with the amplifier with a rating of 0.05% or 0.01% of THD. Also, remember that the amp with high distortion level such as 10% is not capable of delivering sound at high quality.
The Level Of Noise : The ratio known as the signal to noise ratio gives the measure of the amplitude of the level of the audio signal concerning the noise present in the background. It means that the amp with a large value of the ratio will be able to work better even with all the noise present in the environment.
The background noise in the system can be due to the hum pickup, electrical noise due to movement of electrons present in the electronic system of the amp, and AC supply noise.The amp with 90dB S/N ratio has an excellent rate. When you have an amp with high S/N value, the amp will be able to eliminate the effects of noise even at high volume. But in the case of the ones with low S/N ratio, the noise becomes noticeable at high volume.
How does Stereo Amplifier work
The primary job of amplifiers is to transform the minor electrical signals into larger ones or to amplify the signal. The amplifiers appear like some mysterious box, but there is not much mystery present.
The working principle of the box is quite simple. The amplifier just gets the signal as input from the devices such as the CD, media player, DVD, mobile phones or any other appliance. And the amplifier just generates the replica of the signal with much bigger size. And the amp uses the wall receptacle of 110 volts for the power to perform the operation.There are three primary connections in the amplifiers which are the source input, power source from wall socket of 110 volts, and the speaker output.The 110 volts power gets sent to the power supply section of the amplifier in which there is the conversion of the alternating current into the direct current.
The direct current is similar to the power from the batteries. Then the current gets supplied to the transistor which is a variable resistor. The transistor can vary the current amount according to the supply of the current. And the input signal will cause the lowering of resistance of the transistor and which in consequence allow more current to flow.The current which flows through gets set according to the signal size from the input. More current will flow in case of a significant signal which will lead to high amplification. And the frequency is the other factor which determines the amplification operation by the transistors.
And in the way, the amplification occurs in the amplifiers. There are many amplifier designs available at present but all those work in the same manner.
Best Stereo Amplifier Buying Guide and Setting Up
Searching for a good music system is difficult to a lot of extents nowadays as there is a lot of variety which is available in the market. Also, there are a lot of technical aspects which we need to consider while buying the music systems. To buy the best stereo amplifier you need to take into consideration certain requirements and also technical aspects of the same. It is not that difficult to buy a stereo amplifier if you know the right steps and procedure to buy the same. Let us look at some of the aspects which are worth considering while buying the best budget stereo amplifier.
The main aspect which you should consider while buying a stereo amplifier is the power which is required to run the same. There are a lot of amplifiers which are available in the market which comes with multiple power rating. You should always pay attention to the RMS power rating. This rating is the measure which enables you to find out how much power is put off by the amplifier. You should keep one thing in mind that the amplifier which you choose should have the power rating which is twice the power rating of the speaker. The speaker should also be overpowered rather than underpowered. The chances of damaging the speakers are more when too little power is given rather than too much power.
While looking for the best stereo integrated amplifier you must also check out the channels which are available on the amplifier. In fact, the amplifiers are characterized by the channels they provide. The majority of the stereo amplifiers which are available in the market have two channels.
The channels provide more flexibility and thus you can use it as per your convenience deciding the number of speakers which you want to use. The multichannel stereo amplifiers provide four channels. You can choose the respective amplifiers as per your convenience and also your requirement.
Stereo Mode : Stereo mode is usually the default mode for most of the stereo amplifiers which are two channeled. This mode is used for the purpose of powering two speakers one at the left and the other one at the right. In this mode, each channel receives an independent signal from the other. This mode can also be considered equivalent to the two mono amplifiers.
Parallel Mode : A signal input signal is used in the parallel mode to send the send the input channels to both the channels. This mode comes in handy when wants to use an odd number of speakers to power the stereo amplifier. This mode is used to route a mono input which can be a microphone or a mixer. The output of both the routes, however, can be delivered by through both the channels which make this mode all the more useful.
Bridged Mode : The Bridged mode is very efficient as it combines the power of both the channels. Thus there is a significant amount of power which is used to power a single output which enhances the performance. This mode is more commonly used to send signals to the subwoofer. While using the bridged mode in the stereo amplifier you must make it a point that you have followed all the instructions which are given in the instruction manual. There are many instructions which should be religiously followed to bridge a stereo amplifier.
Another most important aspect while buying a stereo amplifier is the headroom. Now for those of you are foreign to this term headroom means the extra power which you get to satisfy the RMS requirements. Having bigger headroom for your stereo amplifier allows you to play both loud as well as soft music with much ease. Headroom also helps to control the volume and keep the system clear and distortion free when the bass drops or there is a song playing on a high note. Moral of the story is that you should always check the headroom feature before buying the stereo amplifier.
Setting Up Stereo Amplifiers
Cables : You must need to check the input and output options when it comes to setting up the stereo amplifiers. Power amplifiers usually offer XLR and also ¼” inputs for the incoming input audio sources. You need to check the level of the output level as well and safe side it will be better if you use separate connectors for connecting input as well as output levels as the voltage may differ and cause further problems.
The Outputs available for your stereo amplifier would be a combination of banana/binding plugs, Neutrik Speakon as well as ¼” output. The Speak On plugs adds the additional security as they provide the twist and lock connection. The banana/ binding plugs are more binding and hence can be are more versatile. They can even be connected bare if the need arises. The ¼” Output cable needs to be handled with a lot of care as these cables can sort out once they are connected to metal.
Controls : Controls of the stereo amplifier are not that hard to understand and pretty much everyone can use these controls as most of the stereo amplifiers have pretty basic controls. The typical stereo amplifier will have a gain level knob and also a signal level indicator for each channel. The colored lights are for indicating the clipping and also to signify overheating.
Best Stereo Amplifier - Dayton Audio APA150 150-Watts Power Amplifier
Stereo amplifiers have been a vital part of our daily lives. They play a major role when we are out on a family picnic or if you are having a house party and you do not own a surround system or a home theater. Stereo amplifier solves almost all the purposes of music.
They are big enough to entertain a group of 50 people gathered in a room. You can connect the stereo amplifier to your mobile phone or a laptop using Bluetooth and you can play your favorite movie or a favorite playlist and get the same feeling as you get in a mini movie theater.There are many types of stereo amplifiers available in the market be it online or offline. T
hey have different outputs and different inputs required. Some support Bluetooth and some do not. It depends on the user as to how much output they require and do they require a portable stereo amplifier or a stereo amplifier that gets attached to their television set. Let us look at the best stereo amplifier that will serve all your purposes as well as is a value for money to the customers.
Dayton Audio APA150 150-Watts Power Amplifier
Dayton is known for a wide range of stereo amplifiers that are useful for different purposes. They have products that have different outputs and also are light in weight so that you can easily carry them. They are also built very well so that they have a longer lifetime without any kind of maintenance required. Also, Dayton stereo amplifiers are affordable. Unlike other companies manufacturing stereo amplifiers, Dayton makes sure that the price remains affordable to the average user. The product is not only affordable but the company makes sure that whatever people pay for, they get the quality. Let us see what makes Dayton Audio APA150 one of the best stereo amplifier under 500. Not only best amplifier but also best stereo receiver under 500.
Quality : The stereo amplifier is made of high-quality metal which makes it one of the strongest amplifiers in the line. It is around 12.7 pounds. This makes it a little difficult for the user to transport it. Something that is very unique with this stereo amplifier is that it has 2 channels from which the output is given. Generally, there is only one channel that gives the output. But 2 channels which are made in such a way that both give an output of 75 watts. This makes the output of 150 watts that is not from one but two channels. This gives the feel of a surround sound and also, the sound will be crystal clear and the vocals will be engrossing too.
Sound : One of the most important characters of the stereo amplifier is that it offers a noise-free fan. Some of them have fans that make much noise when and the noise is distinct when you are sitting in the proximity of the stereo amplifier. The technology used in the stereo amplifier is such that the virtual fan is also noise free for purposes that include people sitting close to the speakers and you still need clarity.
Also, the current input required by Dayton stereo amplifier is sufficiently high. This increases the quality of the sound and also makes sure that the distortion in the sound is minimum. This ensures least noise in music. In a stereo amplifier, the transistors also play a major role. They are required to give better output. Now, if the amplifier is not designed properly, the transistors will heat up and also make noise.
But the skilled technicians at Dayton make sure that the transistors run efficiently without making noise and do not even heat up. The design of the stereo amplifier is such that it looks trendy and also has a metal body that has a matte finish. It looks decent and decent. The resistance of the stereo amplifiers is 8 ohms. This makes sure that the sound remains crystal clear. Filters in an amplifier also play an important role to convert the AC signal to a DC signal.
If this is not converted, it gives a lot of disturbance in the sound. For this, the company has made sure that there is an inbuilt switchable filter which will help in removing the distortion. This makes Dayton Audio one of the leading stereo amplifiers in the market.
Price : Dayton Audio APA150 is a package of perfect sound quality and crystal clear bass and treble. There are other stereo amplifiers on the online market that are priced at higher rates than Dayton Audio. Plus, they do not offer as much service as Dayton Audio. You get almost every possible specifications in the same device. Dayton Audio APA150 is almost the perfect choice for outdoor speakers or if you want to connect them to the television set, they are a perfect match too.
Top 9 Best Stereo Amplifier Reviews 2018
Music is the language for unspoken, it’s a medium to show our talent, emotions, and love. For many people music is academic, music is physical, music is a career, music is emotion and music are life. Many prefer listening music through the earphones or headphones. Many songs writer, producer needs to listen every beat of what they produce, then amplifier use is required, here the review of top 10 best Stereo Amplifier are shown to choose from.
1. Emotiva Audio A-700 BasX 7- channel Power Amplifier, Black
The Emotiva BASX A-700 is a high-quality stereophonic power amplifier which brings genuine audiophile quality at an amount that everyone can pay for. The A-300's Class A/B output stage carries 110 watts RMS each channel of silent, little distortion, excellent sounding acoustic power; and its understated sophisticated design will appear equally at home or high-end workstation. It’s one of the best stereo amplifiers under 1000.
Features and Benefits
- Adequate clean power - Emotiva BASX A-700 packs with 110 watts RMS per channel into 8 Ohms and the both channels are driven from 20Hz to 20kHz with < 0.1% THD.
- Prodigious sounding Class A/B output phase - Emotiva BASX A-700 guarantees smooth comprehensive sound and extremely natural imaging, deprived of a hint of ruggedness or stress.
- Highest quality parts and construction throughout - Emotiva BASX A-700 promises ages of the consistent facility.
- Heavy duty insulated five-way speaker binding posts - Emotiva BASX A-700 lets to use an extensive variety of speaker cables with bare wires, lugs, and plugs.
- Trigger input and output - Emotiva BASX A-700 allows to turn on and off with additional audio equipment.
- Packaging is little ordinary from amazon.com
2. Yamaha A-S701BL Natural Sound Integrated Stereo Amplifier Under 1000 (Black)
Yamaha launched amplifiers geared towards comforting the two-channel audiophile in. These innovative cheap combined amplifiers bring antique back to current times. They have an attractive fleecy aluminum faceplate, having dual heat sinks with 4 output devices and a large power source, it has conservative power ratings and an adjustable volume, these cohesive amplifiers feature a high-class phono preamp sector.This is the Best integrated Amplifier Under 1000.
Features and Benefits
- 100 W x 2-ch (20 Hz - 20 kHz)
- Digital acoustic inputs for electronic devices
- Direct manner for better sound purity
- Total Purity Audio Reproduction Technology and high-quality parts
- Input to output straight proportioned design
- Custom-built power transformer
- Simple yet sophisticated design
- Continuously Adjustable Intensity Regulator
- Decent build quality
- even tonal stability with rich bass
- decent timing
- Can play vinyl record with MM phono cartridge
- With YBA-11, can stream music wirelessly from Bluetooth
- Terminal subwoofer is provided, to increase the bass output
- Sounds is too polite
- lacks the quality of the top amplifiers.
3. Onkyo A-9150 Integrated Stereo Amplifier Under 500 (Black)
The A-9150 Integrated Stereo Amplifier offers world-class analog power and latest audio processing technology, the three digital inputs linked to a Wolfson 768 kHz/32-bit DAC, allows playing all formats including WAV. Gold-plated audio stations with gold-plated banana plug-compatible speaker, the amplifier's Three-Stage Inverted Darlington Circuitry improves the current flows which decrease distortion. Adequately of decent clean power in a stereo amplifier that's shaping to be the best in its class. It’s one of the Best stereo integrated Amplifier under 500.
Features and Benefits
- 60 W/Ch. (4 ohms, 20hz-20khz, 0.08% THD, 2 channels Driven, FTC)
- Three-Stage Inverted Darlington Circuitry
- Wolfson 192 kHz/24-Bit DAC
- 768 kHz/32-Bit Capable Digital Acoustic Inputs (1 Optical and 2 Coaxial)
- 5 Analog Audio Inputs and 1 Output
- Good detail during playback
- Grips dynamics well
- Decent build and decent specification list
- Good power rating
- the sound could be warmer and richer
- Not the most attractive listen
- the phono preamp is very bad
- not so cheaper
4. Dayton Audio APA150 150-Watts Power Amplifier (Black)
Dayton Audio's versatile APA150 power amplifier carries 75 watts and apiece channel in full-range stereo formation, or provides 150 watts into 8 ohms in a bridge-mono manner. An inbuilt, switchable low-pass filter to make the amplifier a great subwoofer. It’s one of the best stereo receiver under 500$.
Features and Benefits
- Practically noise-free fan process for close ground applications
- Smooth contemporary design
- High current, distinct output transistors running cool and silent
- Adaptable 50-150 Hz low pass crossover providing total control
- Gold-plated 5-way compulsory posts that accept up to 8 AWG wire
- Volume is little low
- Packaging quality can be a problem
5. Lepy LP-2020A Hi-Fi Stereo Power Amplifier
Lepy LP-2020A one of the best stereo integrated amplifier uses the Class-D Lepy LP2020 Acoustic Amplifier for low distortion, acoustically accurate genuinely of music. It’s ideal for home and car audio applications. The Direct swapping lets for modified listening. Comes with built-in loudspeakers guard circuit activates when the amplifier is turned on to defend speakers from high capacity spurts of audio. The amplifier shuts down if the input voltage exceeds 14.4 volts DC. The proven performance, reduced signal interference, and long operational life makes Lepy the best stereo amplifier under 100$ and also the best budget stereo amplifier.
Features and Benefits
- Lepy LP-2020A packs with RCA Input, so it can be plug in with most of the music players
- Lepy LP-2020A has a mini size so it’s easy to installation without manual,
- Lepy LP-2020A can be a good fit for car, motorcycle bike, boat, everywhere!
- Lepy LP-2020A has a very compact size
- Tripath TA2020 amplifier chip delivers well-organized, powerful sound
- Lepy LP-2020A aluminum alloy solid case makes it easy to allocate over-heat.
- It's ultra-cheap mini amplifier
- provides 20 watts each channel with two inputs and controls for bass and treble
- The best stereo amplifier under 100$
- no remote control
- blue ring adjacent volume regulator is glaringly bright in a dark room.
- The amp is so light it slides around when the controls are used.
- Packaging is very cheap
- Poor customer support
6. Grace Digital GDI-BTAR513 100W Stereo Amplifier under 100 with Bluetooth Wireless Receiver (Black)
This is also one of the best-integrated Stereo amplifiers with the Bluetooth wireless receiver. You can connect it with any of your android phone, iPhone, or any Bluetooth enabled device. You can very easily convert your phone or any electronic device into a very nice sound system.
Features and Benefits
- Bluetooth Connectivity: This amplifier offers very nice Bluetooth connectivity. You can connect any of the Bluetooth-enabled devices with this amplifier.
- Noise Immunity: This amplifier offers a very good noise immunity, which makes the quality of sound great.
- The intensity of sound: This stereo amplifier offers a very outstanding quality of sound.
- Bluetooth Connectivity of this amplifier is extraordinary.
- This is very reliable and simple to set up.
- Superb Noise immunity leading to the good quality of sound.
- Voice announcements like Power On or Bluetooth connected are very loud making it little irritating.
7. Lepy LP-2024A+ Hi-Fi Audio Amplifier Stereo Power Amplifier Car Amplifier with Power Supply, 3A Power
This stereo amplifier is something that offers good quality of sound at a very less price. This amplifier has a built-in protection system for the loudspeakers to protect the amplifiers in case there is a sudden loud burst of sound. This stereo power amplifier is designed using advanced technologies making it the best budget stereo amplifier.
Features and Benefits
- Built-in loudspeaker protection circuit: This amplifier has a built-in protection system for the loudspeakers of the amplifiers in the case of the loud burst of sound.
- Small Size: This amplifier is very small in size making it one of the best stereo integrated amplifier.
- Support AUX: This stereo amplifier supports AUX cable, so it can be connected with CD, DVD, MP3/MP4 etc.
- Complete package as it is very small in size at a very small price with the loud sound.
- This amplifier also has built-in protection systems.
- The quality of sound is really nice.
- The durability of this product is less.
8. Onkyo A-9070 Reference Stereo Integrated Amplifier Under 2000
This is the best integrated amplifier under 2000 that has all those qualities that an amplifier can have. Whether we talk about the quality of sound or loudness of sound or noise immunity. This product is best for each and everything. You can use it whether for a movie night or for TV or for the songs of Sunday morning. It is the best for everything.
Features and Benefits
- The quality of sound: The quality of sound is of really very high quality. The reviews of people say that this amplifier creates a beautiful environment by its quality of sound.
- Built-in Equalizer: This stereo amplifier has a built-in phono equalizer.
- This stereo speaker has a lot of inputs.
- Very good quality of sound.
- It has a very good bass and treble sound.
- Jumps of sound from up and down and vice-versa are very rude, making the chances of amplifiers getting destroyed large.
9 Pyle Home PCA4 Mini 2x120 Watt Stereo Power Amplifier
This amplifier is the perfect piece for powering any of the stereo systems. This amplifier is very good quality providing a very good bass and treble controls. This product is very famous for the delivering of very accurate and powerful sound. This very small but very good and powerful amplifier delivers very crisp and clear audio. This amplifier is very durable and very affordable making it a perfect piece for buying.
Features and Benefits
- A volume control: Volume control feature of this stereo amplifier is very good.
- Bass and treble controls: Bass of this amplifier is very nice and it offers treble controls as well.
- AUX: This amplifier also offers AUX cable connectivity.
- Some people have faced the issues of damaging of the product after very less time.
Wrapping It Up
So the next time you are up for buying a stereo amplifier you know what all things you need to take into consideration. Finding the best budget stereo amplifiers is not at all a herculean task if you know what you are looking for. There are many best stereo integrated amplifiers in the market and you need to just look for the perfect one for you considering all the features and also your budget requirements. We hope this article will come in handy in your search for an amplifier.