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. Screw connectors are very small, there is no screwdriver, and the cable is also difficult ... Read more
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. Only very thin wires can fit connectors, could have been a little larger. Other than that i can't see any drawbacks. I used an old bicycle flashlight that run on D batteries as case and fitted connector ... Read more
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 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
... Read more
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 tiny connectors, but hey, it ... Read more
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 ... Read more
- Worked great as replacement amplifiers in a SoundBridge Radio R1000, with very little modification. Although, a crossover is now needed for the subwoofer.
- Great audio quality.
- Simple to use.
- Good build quality at an amazing price. - Were a little bigger than I expected, so had to be modified to fit into a smaller space.
- No manual ... Read more
Very efficient, loud enough, nice sound. 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. The chips themselves ... Read more
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 ... Read more
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. No built-in volume control.
The Cap seems a bit smallish Could include ... Read more
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