VMA2015 15W Stereo Audio Amplifier Evaluation Module (EVM) Board

Pros: This AMP board is as simple as it gets, but does the job it's meant for.
The sound is good (i'm no audiophile but i notice no issues), and 15w is enough power to drive some very reasonable speakers to good levels.
I use this with 4ohm, 100w max car speakers and it works perfectly.

Cons: No built-in volume control.
The Cap seems a bit smallish

Other: If you plan on using the volume control from another source (mp3 player, cell phone, etc) it will just work.

Pros: Very crisp sound, bags of power driving my Fostex full range crossover-less Voight enclosures. It would probably drive all but the most complex speakers, but better with smaller full range or bookshelf speakers I feel owing to the small output. There is probably about 5 or 6 wpc of usable watts into 8 ohms, but this is more than enough, certainly for my set-up, to fill my listening room with quite decent sound. Plenty of detail but a bit light in the mid-range. Very pleasant sounding with no obvious vices that I've noticed yet.

Cons: The board is so small as to make connecting anything but the smallest of speaker wire into the tiny blocks. However I cheated by using 1.6mm brazing rod into the blocks with the amp in an enclosure and then hardwiring those rods to better quality binding posts. Ditto the RCA plugs I added...a perfect solution at little cost.
A bit hard working on the board owing to it's small size, but doable. It wouldn't put me off buying another.

Other: Buy one and enjoy $20 worth of outlay...

Pros: Very efficient, loud enough, nice sound.

Cons: Single ended (non-differential) input causes A LOT of noise when the player and amp are both grounded (or have a shared power supply) - only usable with own ungrounded supply (wall-wart is OK). Same issue causes popping on connection/disconnection of input cable. Too small connection points.

Other: Really worth the money, but check if it suits your system (own ungrounded power supply needed) to avoid noise.

Pros: - Worked great as replacement amplifiers in a SoundBridge Radio R1000, with very little modification. Although, a crossover is now needed for the subwoofer. - Inexpensive. - Great audio quality. - Simple to use. - Good build quality at an amazing price.

Cons: - Were a little bigger than I expected, so had to be modified to fit into a smaller space. - No manual at all, or specs for that matter. - No adjustable tone/bass/treble/crossover. Just a simple amp.

Other: Would buy again for other projects!

Pros: What a brilliant little amp!: -Plays music at a high volume, even amplifies an iPod to a pretty high volume. -No distortion that I heard, even at very high volume. -The thing is SMALL! The area of it is just bigger than a normal cigarette lighter. -Develops little or no heat, even if played at high volume for quite some time. -Very convenient board layout. -Gain can be set from lowest to highest by moving one jumper. -On/off pins can easily be connected to a 3-pin switch. -Screw holes in the corners of the pcb, very nice for mounting!

Cons: -Still haven't figured out how these terminals really work. Anyway, they are a little too small. Not that you need big cables for all the power going trough or anything, but it is basiclly hard to get cables that are small enough!

Other: Go right ahead and buy it! It is superior to anything I have ever seen for this price! Perfect for DIY, and as a daily amp, really!

Pros: You will need a strong and clear INPUT signal, so connecting a smart phone to 100W speakers will give you distortion when turning up the volume even a bit : ) It is an amp after all, so it will not make any sound better or worse. It amplifies and it does this job very well. I am impressed with what you get for this price

Cons: tiny connectors, but hey, it is a tiny board! After some fiddling with the speaker cables, it's not a problem

Other: You won't get any better for this price and size. price/quality ratio is beyond expectations

Pros: it is low priced and you can use it to make a portable speaker. it is not big and easily placeable the connections are very easy to be connected and are clear. the connection (3,5 mm) is very easy to use and replace if needed

Cons: when you put it on the loudest you get static, this stops when you put it halfway. it feels very breakable when you handle it when you fix it it will get fairly hot, not when you put brackets to let air through

Other: good put not perfect

Pros: Small size, can fit nicely in a small project box. Quite powerful, tested it with a 100w roister speaker and run it decently. Voltage used was 18V.

Cons: Only very thin wires can fit connectors, could have been a little larger. Other than that i can't see any drawbacks.

Other: Very nice product for DIY projects. I would buy again.

Pros: This gives very good amplifier output power with very little noise. music is mounted for moving two 8 ohm speakers in series, parallel is excessive because the audio level even the minimum of the source. It is with adjustable gain to a minimum. Not heated at all.

Cons: Screw connectors are very small, there is no screwdriver, and the cable is also difficult

Other: Totally recommended, not worth anything go riding.