Top 20 Best Mini Stereo Amplifiers
for March 2023

The Fosi Audio V1.0G is a nice sounding amplifier that can drive 4-ohm speakers reasonably loud and with good bass response. It's easy to install, and it's sturdy enough to be used under a desk or on the bookshelf, but you might have trouble getting it to fit under your couch. It's small and portable and doesn't require much space (it comes with a power supply and power cord). There are no fancy features, such as onboard DACs or digital inputs, and it only has analog inputs, so you're limited to connecting a turntable or CD player. But if you're looking for a great little amp for your bookshelf or desktop speakers, this model is hard to beat.

The Moukey MAMP4 is a great portable amplifier. It's compact, portable, and well-made, comes with some nice extras (a remote and cables), and sounds great. It does have a small, 2-inch-square footprint, but you can pay any price you want for a portable amp, so size is a non-issue. The MAMP4 still sounds impressively loud for a small amp, and the bass and treble adjustment controls allow you to tweak the sound to your taste, though in our tests, we couldn't move the knobs very far in either direction without noticing some loss of sound quality. (That said, the stereo separation was surprisingly good.) It also has a USB port for connecting an iPod or other external player, but like all portable amps, the MAMP4 lacks an AUX input. The remote works at a distance, but it's small, so we suggest using it with good lighting. We recommend the MAMP4 even if you don't want to amplify sound in your car, because it's just a great little amp, and with the right speaker, it should sound fabulous.

The Fosi Audio V1.0B did what Fosi Audio said it would do. It offers solid reproduction of music and movies, with smooth treble and bass, clear voices, and decent dynamics. It's easy to use, and the amplifier's warm colorings mesh well with my speakers' natural sound. Its main drawbacks are that it amplifies both channels to the same level (so you can't make the lower registers sound deeper), and that it's a little picky about what it accepts as input: If you have a line-level audio source, such as an iPod or cassette player, you don't get the usual volume or bass boost you hear when connecting a phone or tablet. That also means you can't use it with an analog TV or video game console. The V1.0B is compact and easy to carry, but the buttons on the power button and volume knob are small and confusing, and the connector for the power cord is on the bottom of the unit instead of the top, which is more typical. Overall, however, I was impressed by how well the Fosi Audio V1.0B performed.

Lightweight and compact, the Fosi BT10A is a perfect fit for smaller spaces, such as a home PC or bookshelf, and sounds pretty good for a device its size. It has a built-in DAC and amplifier, so you don't need to run a separate amplifier if you want to put speakers up to 50 feet away from the receiver. This amp has no remote, but it has iOS and Android apps that let you control the volume and change settings from within the app (no remote and manual controls included). The amp itself sounds good, with no audible noise, and controls are fast and simple. It has a built-in compartment for an optional battery. Unfortunately, the Bluetooth connection was inconsistent in our tests. Sometimes it connected quickly, and sometimes it took several seconds. It also doesn't support HD audio, so the sound is compressed and grainy.

The Facmogu F900 is a clean and straightforward Bluetooth amplifier that can pair with Bluetooth devices, and it offers plenty of power for speakers. The switch for Bluetooth and AUX input is placed on the front of the unit, with no labels on the buttons. On our unit, the AUX input was wired to our amplifier, but the result was erratic. We would recommend connecting it via Bluetooth for the best user experience. The amp performed as advertised, providing a good 50 watts of sound to our bookshelf speakers. It also had good sound quality for cellphone calls, and though we tested it only with Bluetooth, we were able to play music files stored on a USB. The amplifier is compact and unobtrusive, and the blue LED shows the battery level. It also comes with a power adapter, a wall adapter, a USB charging cable, and a user manual.

As an audio enthusiast, I tend to be a bit picky, especially when it comes to headphones, speakers, and amplifiers. This 2-channel amplifier delivers bass and treble control, as well as the ability to stream music wirelessly via Bluetooth, but at 100 watts per channel and 2 ohms, this unit probably won't be suitable for most serious audiophiles. It handles most music genres well, including rock, jazz, hip-hop, and electronica, and the audio quality is decent, especially for a compact design, though it doesn't do as well as our main pick at handling voices or instrumental details. The base isn't as punchy as some, but there is some warmth and clarity to it, and it does a good job of reproducing bass. The midrange has some nice detail to it, and the highs are smooth and detailed overall, if a bit too bright at times. I do wish it had a richer, deeper base, and that the power button were easier to reach because the unit is somewhat bulky, but the sound is good enough for most casual listening.

The Mini Bluetooth Audio Component Amplifiers 100W Dual Channel Stereo Amplifier Home Speaker for Smart Phone, iPhone, iPad and Computer Receiver Pairing. This mini bluetooth amplifier is very easy to use. Just connect your phone, ipad, tablet or computer with the bluetooth,then you can enjoy your fantastic music wherever you want.

The Fosi BL20C is a tiny but powerful 2.1-channel Bluetooth receiver that can serve as a home-theater receiver or a compact all-in-one speaker system. It comes with two 1" silk dome tweeters and four 2" silk dome mid/bass drivers that can reproduce highs and mids well, but it can't reproduce the deep bass effects from subwoofers (which isn't a surprise, given its tiny size). But it's better than many other compact receivers we've tested in terms of sound quality, and its Bluetooth range is respectable for such a small unit. It's quite sensitive, too, and it's able to pick up audio from large rooms without any noticeable loss of quality. If you want a pretty small, battery-powered, all-in-one system, the Fosi BL20C can probably serve your purpose, albeit at a higher price than our former top pick, the Parblo.

The Fosi Audio BT20A is one of the few 100W amplifiers that include a power supply, allowing you to connect your passive speakers (without a power supply) directly to the BT20A. The amplifier features a large, bright and easy-to-read LED display, and you can customize bass and treble levels using the integrated buttons. The BT20A also includes a USB port for charging mobile devices, such as tablets and smartphones. In terms of sound quality, it performs well and yields impressive volume levels.

The Fosi Audio TB10A Bluetooth amplifier is the perfect complement to any stylish 2 to 5.1 surround sound system. It uses Class D amplification, which delivers clean, powerful sound, and its small size makes it a space-saving solution for any home, office, or dorm room. This amp is also compatible with most 2 to 5.1 home audio systems, which gives you the flexibility needed to ensure your speakers are optimally positioned. The amp's straightforward controls include a bass and treble control, so you can tailor its sound quality to fit different systems. You can operate it using any device that has Bluetooth, including your smartphone, tablet, or computer, and there's a USB port if you need to charge your device. The amp's compact size makes it perfect for a small desk or shelf, and its simple design makes it as appealing as it is practical. The included power supply makes installation easy, and the amp comes with a warranty that protects against defects in materials and workmanship.

The four-preset digital amplifier has sufficient power and a full range of inputs, including RCA and 1/4" jack connectors. The volume is adjustable by a knob at the front panel, and we found the volume control to be reasonably sensitive. This amp also has some very useful functions, such as a REC OUT jack that lets you record audio to an external device.

If you've been looking for a compact desktop amplifier with all the convenience of a built-in Bluetooth speaker, the Pyle PDA20BT delivers. At just 1°×1.5x1°×2.25 inches, the PDA20BT is small enough to place along with your computer, and it features a remote that lets you control volume, channel selection, and input selection. It has two 3-inch speakers and a passive radiator behind its aluminum diecast chassis. The amplifier's maximum power is only 200 watts, but it does a good job of matching the sound quality of larger desktop amplifiers, and the passive radiator helps it deliver rich bass. But it doesn't just deliver sound; it can also be paired with Bluetooth speakers, so you can take it outside and pair with any speaker you want. It's compatible with about 30 Bluetooth speakers we tested, and it delivered solid sound quality over Bluetooth even at lower volume levels. The amplifier's Bluetooth receiver can handle audio up to 40 watts, it has a microphone jack for voice-activated voice commands, and it has both RCA and 3.5mm auxiliary inputs. The RCA inputs let you connect your home stereo, or connect an MP3 player, CD or radio. The amplifier has 3.5mm headphone connectivity, so you can connect your headphones for private listening. The amp's remote lets you control the amplifier's volume and input selection, and while it doesn't include a built-in microphone for voice commands, it does have volume buttons and an AM/FM radio tuner.

This tiny amplifier is a plug-and-play solution for filling up a small room with sound and playing audio not only from your Bluetooth-enabled devices but also from RCA-equipped devices such as iPods, TV remotes, satellite TV boxes, media streaming boxes, and DVD players. The unit has dual RCA inputs, which means that you can upload sound from a CD, DVD player, or game console (via a 3.5mm cable) to the amplifier, and play music from your Bluetooth headset or smartphone. The amplifier can stream music at up to 48W, which is plenty for a small room and more than sufficient for most living room setups. The sound is warm and detailed, but not especially dynamic. The volume level is high enough for most rooms, but don't expect deep bass or big sound. Connecting the amp to RCA-equipped devices is straightforward. There are separate volume buttons for the left and right channels, which also let you control the speakers directly from your Bluetooth-equipped devices. If you want to play MP3s through the amp, you'll need a USB memory card or flash drive with MP3 files. The 3.5mm input can be used for any device with a 3.5mm port (such as a TV, game console, or sound bar), but you'll probably want to use the RCA inputs for anything other than charging or playing music from Bluetooth devices. The RCA inputs also have mute buttons, so you don't have to worry about accidentally muting your Bluetooth headset or mobile device. If you're playing music from your phone or tablet, you'll need to connect it to one of the RCA inputs. When the amp is turned on, a blue light flashes on the input, which is handy if you're trying to watch a movie or TV show and forgot to connect it to the sound system. The unit is small enough to fit just about anywhere, so you can mount it on your trunk, entertainment center, or bedside table.

The Nobsound 100W Mini Bluetooth 5.0 Power Amplifier in our 2018 guide is the best amp at this price point. It combines high-performance audio with attractive styling, and outputs clear, detailed sound. It has two channels that can power two passive speakers (4-16 ohms). That means you can pair it with two bookshelf speakers, a pair of bookshelf/tower speakers, or a pair of bookshelf/side/center speakers. All of the inputs, including RCA, AUX, USB, and Bluetooth, are mounted on the back of the unit, which makes it easy to connect. The Bluetooth connection has a range of about 100 feet, and the unit also includes an RCA AUX input, so it can be used as an audio receiver. The amp also has a line output, so you can connect two speakers in parallel. That means a single amp can drive two sets of speakers with multiple surrounds and subwoofers. The 100W output is so versatile and convenient that it's hard to imagine living without this device in our jungles of connected devices. A stylish unit, well constructed, and packed with impressive audio features, it's easily the best amp in its price point. It's also versatile enough to handle almost any home audio system, from a stereo system to a home theater, and it comes with a 2-year warranty.

The Pyle Dual Channel Amplifier and Receiver is a decent option for a stereo amplifier. It has features, like Bluetooth, that make it better suited for mobile devices, but it's powerful enough for even modest-sized speakers. Although it has a USB port, the advertised "SD card slot" is for video playback only; it's a misnomer. The speakers' volume control is hardwired to the amp, which is convenient, but the amp also has master volume, so there doesn't seem to be a convenient control for increasing volume without decreasing it. To get full volume, you need to turn off the master volume, or turn the volume on the speakers up. If you want to turn off the speakers, you have to turn the volume of the amp all the way down (or turn off Bluetooth). Not a huge deal, just annoying. As for the sound quality of the speakers, they sound OK, but bass is lacking. There doesn't seem to be a way to balance the bass and treble, either with a tuning knob or with a remote control. It's also a bit disappointing that the speakers are 3.5mm only; while that makes connecting them to a computer easier, many modern mobile devices are outputting 5.1-channel music.

If you're looking for a small, portable amplifier with decent sound quality, the Nobsound Mini Bluetooth 5.0 is worth considering. Small, and fairly light, it looks good and, at $49.99, it also offers excellent bang-for-buck. The Mini has Bluetooth 5, so it's faster and more stable. The sound quality is decent, but it's not the best we've measured for this guide. However, for its size, it will provide decent sound quality for most situations. We also like that it comes with a nice carrying pouch, a remote control, and a power supply; we also like that it's waterproof (IPX7). The Mini comes with 1 year warranty and 24h 7 days friendly customer service.

The Pyle PCAU25A is an affordable, dual-channel, stereo home theater receiver that delivers 40 watts per channel of clean, full-range sound to your stereo audio speakers. The PCAU25A has 4K Ultra HD pass-through capability, which is ideal for 4K TVs, Blu-ray Disc Players, and other devices. There's also HDMI passthrough for passing audio and video to an HDTV. There's also a 3.5mm auxiliary input jack to connect audio devices such as an iPod, iPhone, iPad, CD player, DVD player, or even an MP3 player. The 4-watt built-in speaker provides decent enough sound, and you can add an external 6-watt speaker or subwoofer for a more pleasing audio experience. The Pyle PCAU25A also has a versatile set of inputs, including RCA, 3.5mm AUX, and USB inputs. There's also a 12V DC constant-voltage adapter port that you can use to power external speakers. The receiver has a built-in speaker level meter, which is useful for getting optimal speaker level settings before connecting to a larger stereo or home theater system. The remote control is a handy feature that lets you operate the receiver from a distance. The receiver has dual RCA inputs that you can use to connect two audio devices. You can add an optional 6-watt external subwoofer for even more bass, and also use a subwoofer crossover to maximize the bass response.

For the price, the Pyle PCA2 is surprisingly compact and pretty elegant-looking. It comes with several useful connections, including 3.5mm and RCA inputs for connecting your music player or tape player, and two sets of RCA outputs for daisy-chaining. We tested it with a top-of-the-range Sony DVP-BX2ES A/V receiver, and although it couldn't match the sonic quality of that unit, the amp was powerful enough to drive a pair of bookshelves and a center-channel speaker. The LED indicators are handy, but not crucial, since the amp's functions can be easily controlled by pressing buttons on the circuit board. The only disappointment is the lack of a volume control for the RCA outputs, limiting this amp's uses to stereo speakers only, which is kind of a bummer. Otherwise, if you're just looking for a cheap amp to power a small speaker system (sold separately), this is a good choice.

If you're looking for a compact amplifier for your computer or mobile device, the iBall SB-350 is a great choice. It's easy to set up and use. The battery lasts a good while, and unlike most small amplifiers, this one has stereo output, so it can be used to power a pair of speakers, not just one. It's cheap, too. But if you're looking for better sound quality or are looking for three-input capabilities (USB, AUX, and line-in), you should look elsewhere.

The Kinter K3118 is a portable, high-performance amplifier that handles a wide range of audio input sources and is optimized for digital sources. Its compact design and auxiliary inputs make it ideal for investing in new speakers and completing your home theater setup.

Portable amps are great for making your home entertainment system sound better, and this dual-channel amp offers some of the best sound quality and volume levels we've seen in a portable amp. The dual amplifiers make the current output 240 watts (90 watts per channel), which is more than enough to power a good set of speakers. The bass response is deep and rich, and the clarity is just what you want for music or movie watching. It has an IR input to switch inputs, and like many portable amps, this one also has a mute function. And it's small enough to fit inside a carry bag or backpack, so you can easily take it with you.

The sound quality of this headphone amplifier is excellent, and its volume range is very wide, making it ideal for home-theater systems or PCs. The controls are easy to use and the signal is never lost between headphone channels. This amplifier is well built and has a good combination of features. However, it is a power-hungry device and is only suitable for devices with 5 V power supplies.