The LX15B is a small, plug-and-play practice amplifier finished in black tolex that was designed specifically for bass guitar. The LX15B is a compact and easy-to-use amplifier combo designed specifically for bass guitar. It easily produces a deep bass tone and is ideal for practice, teaching, and rehearsal. The LX15B channel includes a three-band EQ for tone shaping, as well as an onboard compressor and a Shape switch, allowing you to create a great-sounding "go to" setting with a single button press. The mini-jack AUX input allows you to connect a playback device such as an MP3/iPod/CD for jamming along to songs or backing tracks, and there's also a headphone jack, which is great for private practice or late-night sessions. There are three colors to choose from: black, red, and camo.