The Onkyo E-30 is a compact stereo amplifier that delivers a robust audio experience, designed for music enthusiasts seeking quality sound in a smaller package. This model supports various input options, making it versatile for different audio sources. It typically features built-in phono preamp, allowing for direct connection of turntables. The amplifier can handle speakers with a variety of impedance levels, typically around 4 to 16 ohms, with power output that usually ranges from 20 to 50 watts per channel, depending on the load and conditions. The E-30 is equipped with multiple line-level inputs for connecting CD players, network streamers, and other audio sources, along with features such as tone controls for bass and treble adjustments. Its sleek design fits into various home settings, and it often focuses on delivering a warm, detailed sound profile that enhances different genres of music.