Valeton is an effector brand that continues to develop better products by the technology and findings that Hotone cultivated. This model is a fully analog ultra-compact BASS head amplifier. The output is 20W and minimal. Control is sufficient to be necessary with Gain, Low, Mid, High, Volume, CHORUS. It can be used in the same way as a regular head Amplifier to also have Send / Return. Correspond to the input of external sound sources to mount AUX IN. In addition, in LINE OUT (headphone out) incorporates a cabinet simulator, you can monitor a full-fledged texture even if you monitor the sound with headphones. ◁ESpecifications Size: 180mm x 95mm x 35mm Weight: 816 g Power supply: 18V DC Sentence It ships in a sturdy cardboard box. It also supports shipping for overseas.