This headphone amp improves upon the previous version with added features. This pint-sized amp leverages analog solid-state circuitry, offers two unique channels, and comes with stereo effects for big sound. 

Tech Specs:

• Type: Headphone Amp
• Number of Channels: 2
• Presets: 9 x Rhythms (Rock1, Blues, Pop1, Pop2, Jazz, Disco, Funk1, Metal1, Metronome)
• Reverb: Yes
• Effects: Stereo effects: Tremolo, Chorus, Delay
• Inputs:
  • 1 x 1/4" plug
  • 1 x 1/8" TRRS (aux in)
• Headphones: 1 x 1/8" TRS
• Power Source: 2 x AAA batteries
• Height: 1.53"
• Width: 3.42"
• Depth: 1.29"
• Weight: 1.41 oz.
• Manufacturer Part Number: AP3US