Above that price, most amps can’t be considered “mini. Price: We set a rough limit of $140, which let us include a couple of full-featured models from S.M.S.L.Design: The popularity of the industrial-looking Lepai amps made them a must for this test, but even so we favored amps that would look okay on a living-room bookshelf.Features: Although we did test some amps that had only a volume control, we gravitated toward models that offered nice extras such as Bluetooth support and tone controls.For example, we didn’t test both the Lepai LP-2020TI and the Lepy LP-2020A. Duplicate products: We didn’t test what appeared to be the same amp under different brand names.We figured few people would want to spend time searching for one. Most mini amps come with a “lump in the line” power supply, but some do not, requiring you to purchase a generic power supply such as those used for standalone computer hard drives. Power supply: We tested only those amps that included a power supply. Had not been able to test with other live wallpapers, as most require a native library that they have not compiled to x86 yet.

We considered amps of all power ratings because our early tests showed that even those with the weakest power ratings were adequate for typical home listening levels. Power ratings: This is the first spec most people consider when buying an amp.

Live wallpaper audio visualizer problem